High-hardness au-ni-pd-pt-based precious metal alloy

TW202637854APending Publication Date: 2026-09-16TANAKA KIKINZOKU KOGYO KK
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Patent Information

Application Number
TW115100068
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-01-09
Filing Date
2026-01-02
Publication Date
2026-09-16

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Abstract

atomic % Bi. The precious metal alloy achieves high hardness through a modulated structure formed by spinodal decomposition and / or an ordered phase formed by ordering. In the present invention, Bi is used as an essential additive element, improving machinability without impairing the high hardness.
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