ALUMINUM ALLOY WIRE, ALUMINUM ALLOY TWISTED WIRE, COATED ELECTRICAL WIRE, AND ELECTRICAL WIRE WITH TERMINAL

WIPO Patent Application WO/2018/078910

A1

An aluminum alloy wire comprising an aluminum alloy. The aluminum alloy contains 0.03%–1.5% by mass Mg and 0.02%–2.0% by mass Si. The Mg/Si mass ratio is 0.5–3.5 with the remainder being Al and unavoidable impurities. In a cross-section of the aluminum alloy wire, a rectangular surface layer bubble measurement region is taken from a surface region that penetrates to a depth of 30 µm from the surface, said surface layer bubble measurement region having a short-side length of 30 µm and a long-side length of 50 µm. The total cross-sectional area of bubbles present in the surface layer bubble measurement region is no more than 2 µm2. The aluminum alloy wire has a wire diameter of 0.1–3.6 mm, a tensile strength of at least 150 MPa, a 0.2% proof stress of at least 90 MPa, breaking elongation of at least 5%, and conductivity of at least 40% IACS.

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KUSAKARI MISATO (JP)
KUWABARA TETSUYA (JP)
NAKAI YOSHIHIRO (JP)
NISHIKAWA TAICHIRO (JP)
OTSUKA YASUYUKI (JP)
OOI HAYATO (JP)

PCT/JP2017/014043

May 03, 2018

April 04, 2017

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SUMITOMO ELECTRIC INDUSTRIES (JP)
AUTONETWORKS TECHNOLOGIES LTD (JP)
SUMITOMO WIRING SYSTEMS (JP)

C22C21/00; C22C21/02; C22C21/06; H01B1/02; H01B5/08; H01B7/00; B22D11/00; C22F1/00; C22F1/04

JP2010067591A	2010-03-25
JP2015166480A	2015-09-24
JPH01152248A	1989-06-14
JP2012229485A	2012-11-22
JPH06246480A	1994-09-06

YAMANO, Hiroshi (JP)

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