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#1
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Do aluminum frames wear out?
Hello,
I've talked to two people who have said aluminum frames wear out. One said that after about 8 years they kind of go "dead" and lose the feel they once had. Another talked about how he broke the bottom bracket out of an old aluminum frame. Does anyone know anything about this? If you plan to keep a bike for longer than 10 years is it better not to get aluminum? |
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#2
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Do aluminum frames wear out?
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In article , Chris Hansen wrote: Hello, I've talked to two people who have said aluminum frames wear out. One said that after about 8 years they kind of go "dead" and lose the feel they once had. Another talked about how he broke the bottom bracket out of an old aluminum frame. Does anyone know anything about this? If you plan to keep a bike for longer than 10 years is it better not to get aluminum? _ Aluminum alloys will eventually fatigue, whether you'll use the bike enough for this ever to happen is an open question. _ A high quality steel bike will easily last 30 years. I ride a 30+ year old steel frame and it's a good as it ever was. _ Booker C. Bense -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBQGHhCmTWTAjn5N/lAQEXfgP/VN/Uhr/o6JxvFK3ldhOtFnxsH9FoGO84 PnOd7+ivCBKDiu4BS7hChH5AaXRygn6p2de0LnSfaBYvNqC5x0 y8OxPIjQSASSSM TP+p4JNwJjPL+LAE6yC9mofvKJt+hY60EOf18n80FyNTbVJzmZ s+XBgtwr04NBNa ahItvCaQZr8= =kAJk -----END PGP SIGNATURE----- |
#3
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Do aluminum frames wear out?
Chris Hansen wrote:
Hello, I've talked to two people who have said aluminum frames wear out. One said that after about 8 years they kind of go "dead" and lose the feel they once had. Another talked about how he broke the bottom bracket out of an old aluminum frame. Does anyone know anything about this? If you plan to keep a bike for longer than 10 years is it better not to get aluminum? Don't know about 'wearing out' but I owned one that had the seat tub lug crack. (I was out of the saddle climbing at the time). I'd owned th bike for about 7 yrs. at the time this had happened - |
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Do aluminum frames wear out?
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#6
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Do aluminum frames wear out?
. stanford.edu wrote
_ Aluminum alloys will eventually fatigue, whether you'll use the bike enough for this ever to happen is an open question. A steel frame will also fatigue if it is loaded over its fatigue limit. As to whether it will ever be, or how often it will be, depends on the design, the rider, the quality control, and how it's ridden. Steel frames fail all the time. It's a mistake to think material has anything to do with longevity. |
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Do aluminum frames wear out?
On Wed, 24 Mar 2004 20:04:16 GMT, Cipher
wrote: Here's something to read on the subject: http://www.ihpva.org/com/PracticalIn...materials.html Good site. He neglects titanium, though. The homebuilder committed to welding aluminum already has a MIG or TIG setup, and in my experience, 6Al-4V Titanium is easier to weld than aluminum, and stiffness-to-weight, there is no contest. A vast difference between steel and aluminum was explained to me by an ME friend thusly: After a million flexural cycles on a steel structure, it can be considered to have unlimited life; After a million flexural cycles on an aluminum structure, it can be considered to have Zero remaining flexural life. (I do not know the rationale for this, nor the mechanisms, etc. BUT: Do airframe components "time out"? There are plenty of commercial aircraft flying after decades of use. But they are not 6061-T6, I do not think.) |
#8
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Do aluminum frames wear out?
Peter Cole wrote:
It's a mistake to think material has anything to do with longevity. ^^^^^^^^ I think you mean "everything". -- Benjamin Lewis Clothes make the man. Naked people have little or no influence on society. - Mark Twain |
#9
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Do aluminum frames wear out?
It's a mistake to think material has anything to do with longevity.
^^^^^^^^ I think you mean "everything". Obviously the material has "a lot" to do with longevity. I'ts just not the be-all and end-all of longevity. Try building an origami bike frame and see what happens. After all, there's a reason nearly all cars are made of steel, whereas fiberglass and other metals are somewhat rare. |
#10
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Do aluminum frames wear out?
Cipher wrote:
Chris Hansen wrote: Does anyone know anything about this? If you plan to keep a bike for longer than 10 years is it better not to get aluminum? Don't know about 'wearing out' but I owned one that had the seat tube lug crack. (I was out of the saddle climbing at the time). I'd owned the bike for about 7 yrs. at the time this had happened. My aluminum frame is no more due to unplanned automotive percussive testing downgrading the functionality of my bicycle. i.e. Cars Suck As to the frame material, as long as you don't buy something stupid-light, it shouldn't be a problem. But don't go out and buy a 2.5 lb aluminum & faery dust frame with drillium/unobtainium components and then complain that it breaks in two years. -- Dane Jackson - z u v e m b i @ u n i x b i g o t s . o r g Congratulations are in order for Tom Reid. He says he just found out he is the winner of the 2021 Psychic of the Year award. |
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