COPPER ALLOY AND METHOD FOR PRODUCING SAME

COPPER ALLOY AND METHOD FOR PRODUCING SAME

A copper alloy disclosed in the present description has a basic alloy composition represented by Cu 100-(x+y) Sn x Mn y (where 8 ‰¤ x ‰¤ 16 and 2 ‰¤ y ‰¤ 10 are satisfied), in which a main phase is a ²CuSn phase with Mn dissolved therein, and the ²CuSn phase undergoes martensitic transformation when...

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Hauptverfasser: SASAKI, Koudai, TAKEDA, Mahoto, MURAMATSU, Naokuni, NAKAJIMA, Takanari
Format: Patent
Sprache:eng ; fre ; ger
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ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator SASAKI, Koudai
TAKEDA, Mahoto
MURAMATSU, Naokuni
NAKAJIMA, Takanari
description A copper alloy disclosed in the present description has a basic alloy composition represented by Cu 100-(x+y) Sn x Mn y (where 8 ‰¤ x ‰¤ 16 and 2 ‰¤ y ‰¤ 10 are satisfied), in which a main phase is a ²CuSn phase with Mn dissolved therein, and the ²CuSn phase undergoes martensitic transformation when heat-treated or worked. A method for producing a copper alloy disclosed in the present description is a method for producing a copper alloy that undergoes martensitic transformation when heat-treated or worked. Among a casting step of melting and casting a raw material containing Cu, Sn, and Mn and having a basic alloy composition represented by Cu 100-(x+y) Sn x Mn y (where 8 ‰¤ x ‰¤ 16 and 2 ‰¤ y ‰¤ 10 are satisfied) so as to obtain a cast material, and a homogenization step of homogenizing the cast material in a temperature range of a ²CuSn phase so as to obtain a homogenized material, the method includes at least the casting step.
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subjects ALLOYS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title COPPER ALLOY AND METHOD FOR PRODUCING SAME
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