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Iridium is a rare and expensive metal, for those reasons and others I was wondering if there an alternative to it.

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  • $\begingroup$ Don't think so. It's labelled as the most corrosion resistant metal for a reason, and I assume silicon foundries wouldn't be using iridium crucibles if there was a cheaper alternative. $\endgroup$
    – DKNguyen
    Jul 26, 2021 at 4:42

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