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US 2026/0201505 A1Published application
Process for preparing a dispersion hardened precious metal article
AssigneeJohnson Matthey Public Limited Company
InventorsJohn Richard DAVENPORT, David Daniel JOSEPH, Maria Elena RIVAS-VELAZCO, Jayasheelan VAITHILINGAM
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Abstract
A process is described for preparing a dispersion hardened article, comprising the steps of: (i) mixing a metal oxide powder comprising particles of one or more metal oxide(s), and a metal powder comprising particles of a precious metal or precious metal-based alloy, by resonant acoustic mixing (RAM) to produce a RAM-mixed powder; and (ii) converting the RAM-mixed powder from step (i) into the desired article.
Claims15
A process for preparing a dispersion hardened article, comprising the steps of:
- (i) mixing a metal oxide powder comprising particles of one or more metal oxide(s), and a metal powder comprising particles of a precious metal or precious metal-based alloy, by resonant acoustic mixing (RAM) to produce a RAM-mixed powder;
- and (ii) converting the RAM-mixed powder from step (i) into the desired article.
Dependencies are inferred from the claim text.