Gold Alloy and Method for Producing Gold Alloy
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Mar 25, 2022
filing date -
Mar 29, 2021
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A gold alloy and a method for producing the gold alloy. The gold alloy includes: gold; and an Au—X-RE-based hypermaterial represented by a compositional formula AU100-(a+b)XaREb, wherein, in the compositional formula, X represents at least one atom selected from the group consisting of Al, Ga, In, Si, Ge, and Sn; RE represents a rare-earth element; and a and b respectively represent a content of X and a content of RE, expressed in at %, and satisfy the following (1) and (2): 10≤a≤40 (1); and 13≤b≤17 (2), wherein the Au—X-RE-based hypermaterial is dispersed in a gold matrix phase.
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