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Re: TJ vs JK
Must be catching... I have straightened mine 3 times, then I gave up.
Funny enough it only seems to have fights with trees and river banks when it is straight.... Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's - Gone to the rust pile... Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 (More Off Road album links at bottom of the view page) Earle Horton wrote: > Heh, I have something across the front of my YJ, and it is definitely metal, > but it's bent too. Doesn't look like a factory bend... > > Saludos cordiales, > > Earle > > "Jeff Strickland" <crwlr@verizon.net> wrote in message > news:fGVni.6710$2o5.301@trnddc03... >> Bumpers? >> >> I have something across the front, and it's bent, but is it really a > bumper? >> Me thinks not. >> >> >> >> >> >> >> "Paul Nelson" <paulnelsontx@gmail.com> wrote in message >> news:C2C58798.684BB%paulnelsontx@gmail.com... >>> Er. Real Jeeps have 'bent' metal bumpers. >>> >>> Paul Nelson >>> >>> >>> in article 1184893671.998847.47600@m3g2000hsh.googlegroups.co m, 97tjMike >>> at >>> MichaelJunior@gmail.com wrote on 7/19/07 8:07 PM: >>> >>>> everyone knows that real jeeps have metal bumpers > > > |
Re: TJ vs JK
yup, you guys wouldn't have bumpers anymore if they were plastic!
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Re: TJ vs JK
yup, you guys wouldn't have bumpers anymore if they were plastic!
|
Re: TJ vs JK
yup, you guys wouldn't have bumpers anymore if they were plastic!
|
Re: TJ vs JK
yup, you guys wouldn't have bumpers anymore if they were plastic!
|
Re: TJ vs JK
Aint that the truth! Bend it once and it never hits anything again,
straighten it out and it just look for new stuff to slam into. "Mike Romain" <romainm@sympatico.ca> wrote in message news:46a0c0cf$0$25158$9a6e19ea@unlimited.newshosti ng.com... > Must be catching... I have straightened mine 3 times, then I gave up. > Funny enough it only seems to have fights with trees and river banks when > it is straight.... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > Earle Horton wrote: >> Heh, I have something across the front of my YJ, and it is definitely >> metal, >> but it's bent too. Doesn't look like a factory bend... >> >> Saludos cordiales, >> >> Earle >> >> "Jeff Strickland" <crwlr@verizon.net> wrote in message >> news:fGVni.6710$2o5.301@trnddc03... >>> Bumpers? >>> >>> I have something across the front, and it's bent, but is it really a >> bumper? >>> Me thinks not. >>> >>> >>> >>> >>> >>> >>> "Paul Nelson" <paulnelsontx@gmail.com> wrote in message >>> news:C2C58798.684BB%paulnelsontx@gmail.com... >>>> Er. Real Jeeps have 'bent' metal bumpers. >>>> >>>> Paul Nelson >>>> >>>> >>>> in article 1184893671.998847.47600@m3g2000hsh.googlegroups.co m, >>>> 97tjMike >>>> at >>>> MichaelJunior@gmail.com wrote on 7/19/07 8:07 PM: >>>> >>>>> everyone knows that real jeeps have metal bumpers >> >> |
Re: TJ vs JK
Aint that the truth! Bend it once and it never hits anything again,
straighten it out and it just look for new stuff to slam into. "Mike Romain" <romainm@sympatico.ca> wrote in message news:46a0c0cf$0$25158$9a6e19ea@unlimited.newshosti ng.com... > Must be catching... I have straightened mine 3 times, then I gave up. > Funny enough it only seems to have fights with trees and river banks when > it is straight.... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > Earle Horton wrote: >> Heh, I have something across the front of my YJ, and it is definitely >> metal, >> but it's bent too. Doesn't look like a factory bend... >> >> Saludos cordiales, >> >> Earle >> >> "Jeff Strickland" <crwlr@verizon.net> wrote in message >> news:fGVni.6710$2o5.301@trnddc03... >>> Bumpers? >>> >>> I have something across the front, and it's bent, but is it really a >> bumper? >>> Me thinks not. >>> >>> >>> >>> >>> >>> >>> "Paul Nelson" <paulnelsontx@gmail.com> wrote in message >>> news:C2C58798.684BB%paulnelsontx@gmail.com... >>>> Er. Real Jeeps have 'bent' metal bumpers. >>>> >>>> Paul Nelson >>>> >>>> >>>> in article 1184893671.998847.47600@m3g2000hsh.googlegroups.co m, >>>> 97tjMike >>>> at >>>> MichaelJunior@gmail.com wrote on 7/19/07 8:07 PM: >>>> >>>>> everyone knows that real jeeps have metal bumpers >> >> |
Re: TJ vs JK
Aint that the truth! Bend it once and it never hits anything again,
straighten it out and it just look for new stuff to slam into. "Mike Romain" <romainm@sympatico.ca> wrote in message news:46a0c0cf$0$25158$9a6e19ea@unlimited.newshosti ng.com... > Must be catching... I have straightened mine 3 times, then I gave up. > Funny enough it only seems to have fights with trees and river banks when > it is straight.... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > Earle Horton wrote: >> Heh, I have something across the front of my YJ, and it is definitely >> metal, >> but it's bent too. Doesn't look like a factory bend... >> >> Saludos cordiales, >> >> Earle >> >> "Jeff Strickland" <crwlr@verizon.net> wrote in message >> news:fGVni.6710$2o5.301@trnddc03... >>> Bumpers? >>> >>> I have something across the front, and it's bent, but is it really a >> bumper? >>> Me thinks not. >>> >>> >>> >>> >>> >>> >>> "Paul Nelson" <paulnelsontx@gmail.com> wrote in message >>> news:C2C58798.684BB%paulnelsontx@gmail.com... >>>> Er. Real Jeeps have 'bent' metal bumpers. >>>> >>>> Paul Nelson >>>> >>>> >>>> in article 1184893671.998847.47600@m3g2000hsh.googlegroups.co m, >>>> 97tjMike >>>> at >>>> MichaelJunior@gmail.com wrote on 7/19/07 8:07 PM: >>>> >>>>> everyone knows that real jeeps have metal bumpers >> >> |
Re: TJ vs JK
Aint that the truth! Bend it once and it never hits anything again,
straighten it out and it just look for new stuff to slam into. "Mike Romain" <romainm@sympatico.ca> wrote in message news:46a0c0cf$0$25158$9a6e19ea@unlimited.newshosti ng.com... > Must be catching... I have straightened mine 3 times, then I gave up. > Funny enough it only seems to have fights with trees and river banks when > it is straight.... > > Mike > 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 > 88 Cherokee 235 BFG AT's - Gone to the rust pile... > Canadian Off Road Trips Photos: Non members can still view! > Jan/06 http://www.imagestation.com/album/pi...?id=2115147590 > (More Off Road album links at bottom of the view page) > > Earle Horton wrote: >> Heh, I have something across the front of my YJ, and it is definitely >> metal, >> but it's bent too. Doesn't look like a factory bend... >> >> Saludos cordiales, >> >> Earle >> >> "Jeff Strickland" <crwlr@verizon.net> wrote in message >> news:fGVni.6710$2o5.301@trnddc03... >>> Bumpers? >>> >>> I have something across the front, and it's bent, but is it really a >> bumper? >>> Me thinks not. >>> >>> >>> >>> >>> >>> >>> "Paul Nelson" <paulnelsontx@gmail.com> wrote in message >>> news:C2C58798.684BB%paulnelsontx@gmail.com... >>>> Er. Real Jeeps have 'bent' metal bumpers. >>>> >>>> Paul Nelson >>>> >>>> >>>> in article 1184893671.998847.47600@m3g2000hsh.googlegroups.co m, >>>> 97tjMike >>>> at >>>> MichaelJunior@gmail.com wrote on 7/19/07 8:07 PM: >>>> >>>>> everyone knows that real jeeps have metal bumpers >> >> |
Re: TJ vs JK
"97tjMike" <MichaelJunior@gmail.com> wrote in message news:1184957743.924174.300600@22g2000hsm.googlegro ups.com... > yup, you guys wouldn't have bumpers anymore if they were plastic! > They hadn't even invented plastic when they built my Jeep ... |
Re: TJ vs JK
"97tjMike" <MichaelJunior@gmail.com> wrote in message news:1184957743.924174.300600@22g2000hsm.googlegro ups.com... > yup, you guys wouldn't have bumpers anymore if they were plastic! > They hadn't even invented plastic when they built my Jeep ... |
Re: TJ vs JK
"97tjMike" <MichaelJunior@gmail.com> wrote in message news:1184957743.924174.300600@22g2000hsm.googlegro ups.com... > yup, you guys wouldn't have bumpers anymore if they were plastic! > They hadn't even invented plastic when they built my Jeep ... |
Re: TJ vs JK
"97tjMike" <MichaelJunior@gmail.com> wrote in message news:1184957743.924174.300600@22g2000hsm.googlegro ups.com... > yup, you guys wouldn't have bumpers anymore if they were plastic! > They hadn't even invented plastic when they built my Jeep ... |
Re: Re: TJ vs JK
On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: >Aint that the truth! Bend it once and it never hits anything again, >straighten it out and it just look for new stuff to slam into. Also some metal bumber work hardner a bit and actual get a bit stronger after they have been bent and straightened. Repeated bending AND straightening can lead to cracking though. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: >Aint that the truth! Bend it once and it never hits anything again, >straighten it out and it just look for new stuff to slam into. Also some metal bumber work hardner a bit and actual get a bit stronger after they have been bent and straightened. Repeated bending AND straightening can lead to cracking though. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: >Aint that the truth! Bend it once and it never hits anything again, >straighten it out and it just look for new stuff to slam into. Also some metal bumber work hardner a bit and actual get a bit stronger after they have been bent and straightened. Repeated bending AND straightening can lead to cracking though. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland"
<crwlr@verizon.net> wrote: >Aint that the truth! Bend it once and it never hits anything again, >straighten it out and it just look for new stuff to slam into. Also some metal bumber work hardner a bit and actual get a bit stronger after they have been bent and straightened. Repeated bending AND straightening can lead to cracking though. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
"SnoMan" <admin@snoman.com> wrote in message news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... > On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Aint that the truth! Bend it once and it never hits anything again, >>straighten it out and it just look for new stuff to slam into. > > > Also some metal bumber work hardner a bit and actual get a bit > stronger after they have been bent and straightened. Repeated bending > AND straightening can lead to cracking though. Say what!? Metal can be made stronger by bending it then straightening it again? That's patently absurd. But, you miss the point, bend a bumper and leave it be and it will never hit anything again. (That's a joke son, and is the point yo missed.) |
Re: Re: TJ vs JK
"SnoMan" <admin@snoman.com> wrote in message news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... > On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Aint that the truth! Bend it once and it never hits anything again, >>straighten it out and it just look for new stuff to slam into. > > > Also some metal bumber work hardner a bit and actual get a bit > stronger after they have been bent and straightened. Repeated bending > AND straightening can lead to cracking though. Say what!? Metal can be made stronger by bending it then straightening it again? That's patently absurd. But, you miss the point, bend a bumper and leave it be and it will never hit anything again. (That's a joke son, and is the point yo missed.) |
Re: Re: TJ vs JK
"SnoMan" <admin@snoman.com> wrote in message news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... > On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Aint that the truth! Bend it once and it never hits anything again, >>straighten it out and it just look for new stuff to slam into. > > > Also some metal bumber work hardner a bit and actual get a bit > stronger after they have been bent and straightened. Repeated bending > AND straightening can lead to cracking though. Say what!? Metal can be made stronger by bending it then straightening it again? That's patently absurd. But, you miss the point, bend a bumper and leave it be and it will never hit anything again. (That's a joke son, and is the point yo missed.) |
Re: Re: TJ vs JK
"SnoMan" <admin@snoman.com> wrote in message news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... > On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" > <crwlr@verizon.net> wrote: > >>Aint that the truth! Bend it once and it never hits anything again, >>straighten it out and it just look for new stuff to slam into. > > > Also some metal bumber work hardner a bit and actual get a bit > stronger after they have been bent and straightened. Repeated bending > AND straightening can lead to cracking though. Say what!? Metal can be made stronger by bending it then straightening it again? That's patently absurd. But, you miss the point, bend a bumper and leave it be and it will never hit anything again. (That's a joke son, and is the point yo missed.) |
Re: TJ vs JK
Jeff Strickland wrote:
> > "SnoMan" <admin@snoman.com> wrote in message > news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... >> On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" >> <crwlr@verizon.net> wrote: >> >>> Aint that the truth! Bend it once and it never hits anything again, >>> straighten it out and it just look for new stuff to slam into. >> >> >> Also some metal bumber work hardner a bit and actual get a bit >> stronger after they have been bent and straightened. Repeated bending >> AND straightening can lead to cracking though. > > Say what!? > > Metal can be made stronger by bending it then straightening it again? > That's patently absurd. But, you miss the point, bend a bumper and leave > it be and it will never hit anything again. (That's a joke son, and is > the point yo missed.) > > > > > > > You might think it's absurd but it happens to be correct. Some metals are specifically designed to start off soft and increase in strength through use. The correct term IS called work hardening and it does work. The steel DOES become stronger but as it does, it's brittleness increases as well, which is why as you keep bending it it gets harder to bend but eventually cracks and breaks. |
Re: TJ vs JK
Jeff Strickland wrote:
> > "SnoMan" <admin@snoman.com> wrote in message > news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... >> On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" >> <crwlr@verizon.net> wrote: >> >>> Aint that the truth! Bend it once and it never hits anything again, >>> straighten it out and it just look for new stuff to slam into. >> >> >> Also some metal bumber work hardner a bit and actual get a bit >> stronger after they have been bent and straightened. Repeated bending >> AND straightening can lead to cracking though. > > Say what!? > > Metal can be made stronger by bending it then straightening it again? > That's patently absurd. But, you miss the point, bend a bumper and leave > it be and it will never hit anything again. (That's a joke son, and is > the point yo missed.) > > > > > > > You might think it's absurd but it happens to be correct. Some metals are specifically designed to start off soft and increase in strength through use. The correct term IS called work hardening and it does work. The steel DOES become stronger but as it does, it's brittleness increases as well, which is why as you keep bending it it gets harder to bend but eventually cracks and breaks. |
Re: TJ vs JK
Jeff Strickland wrote:
> > "SnoMan" <admin@snoman.com> wrote in message > news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... >> On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" >> <crwlr@verizon.net> wrote: >> >>> Aint that the truth! Bend it once and it never hits anything again, >>> straighten it out and it just look for new stuff to slam into. >> >> >> Also some metal bumber work hardner a bit and actual get a bit >> stronger after they have been bent and straightened. Repeated bending >> AND straightening can lead to cracking though. > > Say what!? > > Metal can be made stronger by bending it then straightening it again? > That's patently absurd. But, you miss the point, bend a bumper and leave > it be and it will never hit anything again. (That's a joke son, and is > the point yo missed.) > > > > > > > You might think it's absurd but it happens to be correct. Some metals are specifically designed to start off soft and increase in strength through use. The correct term IS called work hardening and it does work. The steel DOES become stronger but as it does, it's brittleness increases as well, which is why as you keep bending it it gets harder to bend but eventually cracks and breaks. |
Re: TJ vs JK
Jeff Strickland wrote:
> > "SnoMan" <admin@snoman.com> wrote in message > news:kno2a3paqbi3n0pt6fpagb8fng2hih07as@4ax.com... >> On Sat, 21 Jul 2007 00:34:11 GMT, "Jeff Strickland" >> <crwlr@verizon.net> wrote: >> >>> Aint that the truth! Bend it once and it never hits anything again, >>> straighten it out and it just look for new stuff to slam into. >> >> >> Also some metal bumber work hardner a bit and actual get a bit >> stronger after they have been bent and straightened. Repeated bending >> AND straightening can lead to cracking though. > > Say what!? > > Metal can be made stronger by bending it then straightening it again? > That's patently absurd. But, you miss the point, bend a bumper and leave > it be and it will never hit anything again. (That's a joke son, and is > the point yo missed.) > > > > > > > You might think it's absurd but it happens to be correct. Some metals are specifically designed to start off soft and increase in strength through use. The correct term IS called work hardening and it does work. The steel DOES become stronger but as it does, it's brittleness increases as well, which is why as you keep bending it it gets harder to bend but eventually cracks and breaks. |
Re: Re: TJ vs JK
On Fri, 20 Jul 2007 22:56:41 -0400, "T. Greening" <tgreen@yomama.com>
wrote: >You might think it's absurd but it happens to be correct. Some metals >are specifically designed to start off soft and increase in strength >through use. The correct term IS called work hardening and it does work. > >The steel DOES become stronger but as it does, it's brittleness >increases as well, which is why as you keep bending it it gets harder to >bend but eventually cracks and breaks. Some alloys can work harden so much (especailly some aluminum ones) that when you bend it as soon as the bending motion stops it becomes so "hard" that any further attempt to bend it more will break it. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Fri, 20 Jul 2007 22:56:41 -0400, "T. Greening" <tgreen@yomama.com>
wrote: >You might think it's absurd but it happens to be correct. Some metals >are specifically designed to start off soft and increase in strength >through use. The correct term IS called work hardening and it does work. > >The steel DOES become stronger but as it does, it's brittleness >increases as well, which is why as you keep bending it it gets harder to >bend but eventually cracks and breaks. Some alloys can work harden so much (especailly some aluminum ones) that when you bend it as soon as the bending motion stops it becomes so "hard" that any further attempt to bend it more will break it. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Fri, 20 Jul 2007 22:56:41 -0400, "T. Greening" <tgreen@yomama.com>
wrote: >You might think it's absurd but it happens to be correct. Some metals >are specifically designed to start off soft and increase in strength >through use. The correct term IS called work hardening and it does work. > >The steel DOES become stronger but as it does, it's brittleness >increases as well, which is why as you keep bending it it gets harder to >bend but eventually cracks and breaks. Some alloys can work harden so much (especailly some aluminum ones) that when you bend it as soon as the bending motion stops it becomes so "hard" that any further attempt to bend it more will break it. ----------------- TheSnoMan.com |
Re: Re: TJ vs JK
On Fri, 20 Jul 2007 22:56:41 -0400, "T. Greening" <tgreen@yomama.com>
wrote: >You might think it's absurd but it happens to be correct. Some metals >are specifically designed to start off soft and increase in strength >through use. The correct term IS called work hardening and it does work. > >The steel DOES become stronger but as it does, it's brittleness >increases as well, which is why as you keep bending it it gets harder to >bend but eventually cracks and breaks. Some alloys can work harden so much (especailly some aluminum ones) that when you bend it as soon as the bending motion stops it becomes so "hard" that any further attempt to bend it more will break it. ----------------- TheSnoMan.com |
Re: TJ vs JK
"T. Greening" <tgreen@yomama.com> wrote in message news:46a175ee$0$4905$4c368faf@roadrunner.com... >> >> Say what!? >> >> Metal can be made stronger by bending it then straightening it again? >> That's patently absurd. But, you miss the point, bend a bumper and leave >> it be and it will never hit anything again. (That's a joke son, and is >> the point yo missed.) >> >> > > > You might think it's absurd but it happens to be correct. Some metals are > specifically designed to start off soft and increase in strength through > use. The correct term IS called work hardening and it does work. > > The steel DOES become stronger but as it does, it's brittleness increases > as well, which is why as you keep bending it it gets harder to bend but > eventually cracks and breaks. Can you give an automotive application that actually fits the discussion? Any metal on my Jeep that has been bent is weaker and bends easier if it is straightened. This is particularly notable on the fenders and bumpers, which is the topic. |
Re: TJ vs JK
"T. Greening" <tgreen@yomama.com> wrote in message news:46a175ee$0$4905$4c368faf@roadrunner.com... >> >> Say what!? >> >> Metal can be made stronger by bending it then straightening it again? >> That's patently absurd. But, you miss the point, bend a bumper and leave >> it be and it will never hit anything again. (That's a joke son, and is >> the point yo missed.) >> >> > > > You might think it's absurd but it happens to be correct. Some metals are > specifically designed to start off soft and increase in strength through > use. The correct term IS called work hardening and it does work. > > The steel DOES become stronger but as it does, it's brittleness increases > as well, which is why as you keep bending it it gets harder to bend but > eventually cracks and breaks. Can you give an automotive application that actually fits the discussion? Any metal on my Jeep that has been bent is weaker and bends easier if it is straightened. This is particularly notable on the fenders and bumpers, which is the topic. |
Re: TJ vs JK
"T. Greening" <tgreen@yomama.com> wrote in message news:46a175ee$0$4905$4c368faf@roadrunner.com... >> >> Say what!? >> >> Metal can be made stronger by bending it then straightening it again? >> That's patently absurd. But, you miss the point, bend a bumper and leave >> it be and it will never hit anything again. (That's a joke son, and is >> the point yo missed.) >> >> > > > You might think it's absurd but it happens to be correct. Some metals are > specifically designed to start off soft and increase in strength through > use. The correct term IS called work hardening and it does work. > > The steel DOES become stronger but as it does, it's brittleness increases > as well, which is why as you keep bending it it gets harder to bend but > eventually cracks and breaks. Can you give an automotive application that actually fits the discussion? Any metal on my Jeep that has been bent is weaker and bends easier if it is straightened. This is particularly notable on the fenders and bumpers, which is the topic. |
Re: TJ vs JK
"T. Greening" <tgreen@yomama.com> wrote in message news:46a175ee$0$4905$4c368faf@roadrunner.com... >> >> Say what!? >> >> Metal can be made stronger by bending it then straightening it again? >> That's patently absurd. But, you miss the point, bend a bumper and leave >> it be and it will never hit anything again. (That's a joke son, and is >> the point yo missed.) >> >> > > > You might think it's absurd but it happens to be correct. Some metals are > specifically designed to start off soft and increase in strength through > use. The correct term IS called work hardening and it does work. > > The steel DOES become stronger but as it does, it's brittleness increases > as well, which is why as you keep bending it it gets harder to bend but > eventually cracks and breaks. Can you give an automotive application that actually fits the discussion? Any metal on my Jeep that has been bent is weaker and bends easier if it is straightened. This is particularly notable on the fenders and bumpers, which is the topic. |
Re: TJ vs JK
Jeff Strickland wrote:
> "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... >>> >>> Say what!? >>> >>> Metal can be made stronger by bending it then straightening it >>> again? That's patently absurd. But, you miss the point, bend a >>> bumper and leave it be and it will never hit anything again. >>> (That's a joke son, and is the point yo missed.) >> You might think it's absurd but it happens to be correct. Some >> metals are specifically designed to start off soft and increase in >> strength through use. The correct term IS called work hardening and >> it does work. The steel DOES become stronger but as it does, it's brittleness >> increases as well, which is why as you keep bending it it gets >> harder to bend but eventually cracks and breaks. > Can you give an automotive application that actually fits the > discussion? > Any metal on my Jeep that has been bent is weaker and bends easier if > it is straightened. This is particularly notable on the fenders and > bumpers, which is the topic. Ever do any body work? There is a reason why you have to use a torch to anneal metal is so you can continue to work without making it so brittle it cracks. As for bends happening in the same place, that's because of structure not the metal hardness. Body metal today is so darn thin the only structural rigidity they have is due to forming. What happens is the structure has become compromised and until the structure is fixed, the fender will tend to fail along the same line. It's like bending a straw. Once there is a bend in the straw it will fail at that point again. Metal only has two zones, elastic and plastic. In the elastic zone (like car springs) the metal will return to its previous state. In the plastic zone it will retain that shape. Work hardening and annealing changes where these zones lay. A good example is making a gas tank for a bike. You start with a sheet of aluminum but that can't be formed till it's made softer (annealed). After so much work it needs to be annealed again or the metal will crack as it's being formed. If you can find it, Bill Toboldt, Autobody Repair and Repainting is a very good book for starting out. It was pressed back in 1979 ISBN 0-87006-423-1 -- DougW |
Re: TJ vs JK
Jeff Strickland wrote:
> "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... >>> >>> Say what!? >>> >>> Metal can be made stronger by bending it then straightening it >>> again? That's patently absurd. But, you miss the point, bend a >>> bumper and leave it be and it will never hit anything again. >>> (That's a joke son, and is the point yo missed.) >> You might think it's absurd but it happens to be correct. Some >> metals are specifically designed to start off soft and increase in >> strength through use. The correct term IS called work hardening and >> it does work. The steel DOES become stronger but as it does, it's brittleness >> increases as well, which is why as you keep bending it it gets >> harder to bend but eventually cracks and breaks. > Can you give an automotive application that actually fits the > discussion? > Any metal on my Jeep that has been bent is weaker and bends easier if > it is straightened. This is particularly notable on the fenders and > bumpers, which is the topic. Ever do any body work? There is a reason why you have to use a torch to anneal metal is so you can continue to work without making it so brittle it cracks. As for bends happening in the same place, that's because of structure not the metal hardness. Body metal today is so darn thin the only structural rigidity they have is due to forming. What happens is the structure has become compromised and until the structure is fixed, the fender will tend to fail along the same line. It's like bending a straw. Once there is a bend in the straw it will fail at that point again. Metal only has two zones, elastic and plastic. In the elastic zone (like car springs) the metal will return to its previous state. In the plastic zone it will retain that shape. Work hardening and annealing changes where these zones lay. A good example is making a gas tank for a bike. You start with a sheet of aluminum but that can't be formed till it's made softer (annealed). After so much work it needs to be annealed again or the metal will crack as it's being formed. If you can find it, Bill Toboldt, Autobody Repair and Repainting is a very good book for starting out. It was pressed back in 1979 ISBN 0-87006-423-1 -- DougW |
Re: TJ vs JK
Jeff Strickland wrote:
> "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... >>> >>> Say what!? >>> >>> Metal can be made stronger by bending it then straightening it >>> again? That's patently absurd. But, you miss the point, bend a >>> bumper and leave it be and it will never hit anything again. >>> (That's a joke son, and is the point yo missed.) >> You might think it's absurd but it happens to be correct. Some >> metals are specifically designed to start off soft and increase in >> strength through use. The correct term IS called work hardening and >> it does work. The steel DOES become stronger but as it does, it's brittleness >> increases as well, which is why as you keep bending it it gets >> harder to bend but eventually cracks and breaks. > Can you give an automotive application that actually fits the > discussion? > Any metal on my Jeep that has been bent is weaker and bends easier if > it is straightened. This is particularly notable on the fenders and > bumpers, which is the topic. Ever do any body work? There is a reason why you have to use a torch to anneal metal is so you can continue to work without making it so brittle it cracks. As for bends happening in the same place, that's because of structure not the metal hardness. Body metal today is so darn thin the only structural rigidity they have is due to forming. What happens is the structure has become compromised and until the structure is fixed, the fender will tend to fail along the same line. It's like bending a straw. Once there is a bend in the straw it will fail at that point again. Metal only has two zones, elastic and plastic. In the elastic zone (like car springs) the metal will return to its previous state. In the plastic zone it will retain that shape. Work hardening and annealing changes where these zones lay. A good example is making a gas tank for a bike. You start with a sheet of aluminum but that can't be formed till it's made softer (annealed). After so much work it needs to be annealed again or the metal will crack as it's being formed. If you can find it, Bill Toboldt, Autobody Repair and Repainting is a very good book for starting out. It was pressed back in 1979 ISBN 0-87006-423-1 -- DougW |
Re: TJ vs JK
Jeff Strickland wrote:
> "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... >>> >>> Say what!? >>> >>> Metal can be made stronger by bending it then straightening it >>> again? That's patently absurd. But, you miss the point, bend a >>> bumper and leave it be and it will never hit anything again. >>> (That's a joke son, and is the point yo missed.) >> You might think it's absurd but it happens to be correct. Some >> metals are specifically designed to start off soft and increase in >> strength through use. The correct term IS called work hardening and >> it does work. The steel DOES become stronger but as it does, it's brittleness >> increases as well, which is why as you keep bending it it gets >> harder to bend but eventually cracks and breaks. > Can you give an automotive application that actually fits the > discussion? > Any metal on my Jeep that has been bent is weaker and bends easier if > it is straightened. This is particularly notable on the fenders and > bumpers, which is the topic. Ever do any body work? There is a reason why you have to use a torch to anneal metal is so you can continue to work without making it so brittle it cracks. As for bends happening in the same place, that's because of structure not the metal hardness. Body metal today is so darn thin the only structural rigidity they have is due to forming. What happens is the structure has become compromised and until the structure is fixed, the fender will tend to fail along the same line. It's like bending a straw. Once there is a bend in the straw it will fail at that point again. Metal only has two zones, elastic and plastic. In the elastic zone (like car springs) the metal will return to its previous state. In the plastic zone it will retain that shape. Work hardening and annealing changes where these zones lay. A good example is making a gas tank for a bike. You start with a sheet of aluminum but that can't be formed till it's made softer (annealed). After so much work it needs to be annealed again or the metal will crack as it's being formed. If you can find it, Bill Toboldt, Autobody Repair and Repainting is a very good book for starting out. It was pressed back in 1979 ISBN 0-87006-423-1 -- DougW |
Re: TJ vs JK
"Jeff Strickland" <crwlr@verizon.net> wrote in message
news:DgMoi.12080$U47.10233@trnddc08... > > "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... > >> > >> Say what!? > >> > >> Metal can be made stronger by bending it then straightening it again? > >> That's patently absurd. But, you miss the point, bend a bumper and > >> leave > >> it be and it will never hit anything again. (That's a joke son, and is > >> the point yo missed.) > >> > >> > > > > > > You might think it's absurd but it happens to be correct. Some metals > > are > > specifically designed to start off soft and increase in strength through > > use. The correct term IS called work hardening and it does work. > > > > The steel DOES become stronger but as it does, it's brittleness > > increases > > as well, which is why as you keep bending it it gets harder to bend but > > eventually cracks and breaks. > > > Can you give an automotive application that actually fits the discussion? Right after I got my Jeep I smacked a GMC pickup, hard, with the front bumper. That bumper has never hit anything again. O wait, that's your point. Never mind. Saludos cordiales, Earle > > Any metal on my Jeep that has been bent is weaker and bends easier if it is > straightened. This is particularly notable on the fenders and bumpers, which > is the topic. > > > > > > > -- Posted via a free Usenet account from http://www.teranews.com |
Re: TJ vs JK
"Jeff Strickland" <crwlr@verizon.net> wrote in message
news:DgMoi.12080$U47.10233@trnddc08... > > "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... > >> > >> Say what!? > >> > >> Metal can be made stronger by bending it then straightening it again? > >> That's patently absurd. But, you miss the point, bend a bumper and > >> leave > >> it be and it will never hit anything again. (That's a joke son, and is > >> the point yo missed.) > >> > >> > > > > > > You might think it's absurd but it happens to be correct. Some metals > > are > > specifically designed to start off soft and increase in strength through > > use. The correct term IS called work hardening and it does work. > > > > The steel DOES become stronger but as it does, it's brittleness > > increases > > as well, which is why as you keep bending it it gets harder to bend but > > eventually cracks and breaks. > > > Can you give an automotive application that actually fits the discussion? Right after I got my Jeep I smacked a GMC pickup, hard, with the front bumper. That bumper has never hit anything again. O wait, that's your point. Never mind. Saludos cordiales, Earle > > Any metal on my Jeep that has been bent is weaker and bends easier if it is > straightened. This is particularly notable on the fenders and bumpers, which > is the topic. > > > > > > > -- Posted via a free Usenet account from http://www.teranews.com |
Re: TJ vs JK
"Jeff Strickland" <crwlr@verizon.net> wrote in message
news:DgMoi.12080$U47.10233@trnddc08... > > "T. Greening" <tgreen@yomama.com> wrote in message > news:46a175ee$0$4905$4c368faf@roadrunner.com... > >> > >> Say what!? > >> > >> Metal can be made stronger by bending it then straightening it again? > >> That's patently absurd. But, you miss the point, bend a bumper and > >> leave > >> it be and it will never hit anything again. (That's a joke son, and is > >> the point yo missed.) > >> > >> > > > > > > You might think it's absurd but it happens to be correct. Some metals > > are > > specifically designed to start off soft and increase in strength through > > use. The correct term IS called work hardening and it does work. > > > > The steel DOES become stronger but as it does, it's brittleness > > increases > > as well, which is why as you keep bending it it gets harder to bend but > > eventually cracks and breaks. > > > Can you give an automotive application that actually fits the discussion? Right after I got my Jeep I smacked a GMC pickup, hard, with the front bumper. That bumper has never hit anything again. O wait, that's your point. Never mind. Saludos cordiales, Earle > > Any metal on my Jeep that has been bent is weaker and bends easier if it is > straightened. This is particularly notable on the fenders and bumpers, which > is the topic. > > > > > > > -- Posted via a free Usenet account from http://www.teranews.com |
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