Copper alloy wire rod and method for manufacturing the same

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United States of America Patent

PATENT NO 9754703
APP PUB NO 20140205492A1
SERIAL NO

14219348

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Abstract

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A copper alloy wire rod includes a copper parent phase and short fiber-shaped composite phases which are dispersed in the copper parent phase and which contain Cu8Zr3 and Cu, wherein the content of Zr is within the range of 0.2 atomic percent or more and 1.0 atomic percent or less. This copper alloy wire rod can be obtained by including the steps of melting a raw material in such a way that a copper alloy having a Zr content within the above-described range of is produced so as to obtain a molten metal in a melting step, casting the molten metal so as to obtain an ingot in a casting step, and subjecting the ingot to cold wire drawing in a wire drawing step, wherein the wire drawing step and a treatment after the wire drawing step are performed at lower than 500° C.

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Patent Owner(s)

Patent OwnerAddress
NGK INSULATORS LTD2-56 SUDA-CHO MIZUHO-KU NAGOYA-CITY AICHI-PREFECTURE 467-8530
TOHOKU UNIVERSITY2-1-1 KATAHIRA AOBA-KU SENDAI-SHI MIYAGI 980-8577

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Akihisa Sendai, JP 197 2954
Kimura, Hisamichi Sendai, JP 31 264
Muramatsu, Naokuni Nagoya, JP 42 208

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