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  1. #121


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    Texture Yellow Valve Cover
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  2. #122


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  3. #123
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    I sent you guys an e-mail, not sure if you got it or not. I was going to have my wheels powder coated, but there was quite a bit of negative discussion regarding powdercoating wheels on evolutionm.net. Upon further research, it seems to be a hot topic everywhere. The controversy is over whether or not heating aluminum wheels to 400 degrees will cause annealing of the aluminum. There are shops that have low temp curing, less than 300 degrees. I like the look of powdercoating, but don't want to risk embrittlement of my wheels. Please help.

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  4. #124


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    It's a fairly controversial issue as there are many people on both sides of the argument. I am not a metal expert so I cannot say definitively. My best suggestion would be to read as much as you can and make the best decision for you.

    There are low temp powders available but they're just basic high gloss colors (no metallics etc.) that typically have a cure temp of around 340.
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  5. #125


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  6. #126


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  7. #127


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  8. #128


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    Quote Originally Posted by FondaHonda View Post
    I sent you guys an e-mail, not sure if you got it or not. I was going to have my wheels powder coated, but there was quite a bit of negative discussion regarding powdercoating wheels on evolutionm.net. Upon further research, it seems to be a hot topic everywhere. The controversy is over whether or not heating aluminum wheels to 400 degrees will cause annealing of the aluminum. There are shops that have low temp curing, less than 300 degrees. I like the look of powdercoating, but don't want to risk embrittlement of my wheels. Please help.
    Let us know what you find out. I was considering doing this also.
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  9. #129


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    Here is a response I found from a metallurgist:

    "Molecular reorganization (annealing) only begins to occur at about half the melting temperature of the material. Since aluminum melts at 1220.58 °F, you can divide that by 2 and see that you'd have to be curing powdercoat at over 600 degrees before affecting the strength of the aluminum."

    Keeping in mind that most powders cure at 340-390 degrees.
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  10. #130


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    Quote Originally Posted by PowderKeg View Post
    Here is a response I found from a metallurgist:

    "Molecular reorganization (annealing) only begins to occur at about half the melting temperature of the material. Since aluminum melts at 1220.58 °F, you can divide that by 2 and see that you'd have to be curing powdercoat at over 600 degrees before affecting the strength of the aluminum."

    Keeping in mind that most powders cure at 340-390 degrees.
    That's good to hear.

    Can you link to the reply you found?
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