[Jewelry making - Article 00847] - [Orchid] Metal hardness and melting point

[Jeanne Rhodes Moen]

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    Hi all...my daughter has her science fair project due and we're going
    to go to my workshop and time metal melting...the only thing is, her
    hypothesis she must test is that there is a correlation between
    metal/alloy hardness and melting point. Now, the problem is, we can
    melt the different metals and time them with a stop watch, and I can
    look up Moh's hardness for pure gold, silver, copper etc..but where
    can I find a chart covering the relative hardness of different alloys
    like sterling vs 14 kt gold vs brass?? Kind of hard to correlate the
    results if half my info is missing. Does anyone have an overveiw of
    that or know where I could find one FAST? 

thanks,
Jeanne
Jeannius Designs

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