[Jewelry making - Article 01538] - Re: [Orchid] Nice palladium alloys

[Lawrence Saber]

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Hi Phillip

>     I have been using palladium more and more. I have worked with a
>     few palladium alloys. Just now I am using 5% copper and I wonder
>     what else I could use. 

    I have tried a few Pd 950 Alloys and the best I have used is
    Palladium 95% Ruthenium 4.5%. I have tried the Pd/Ag (too soft and
    sticky and hard to polish), Pd/Cu/Iridium (a little soft and a little
    hard to polish), Palladium/Au (similar to Pd/Ag). I have a formula
    that I haven't tried yet that uses pd/Cu and either Ru or Co, which
    is said to work well. They are all (the alloys) hard to melt into bar
    and ideally this should be done in an inert atmosphere, if possible. 

    The Pd/Ru alloy works a little like hard 18kt white and polishes a
    lot easier than Pt. 

Hope that this helps
Lawrence (In sunny Perth, Western Australia)
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