Title:
COPPER-CLAD STEEL WIRE
Document Type and Number:
WIPO Patent Application WO/2023/233698
Kind Code:
A1
Abstract:
This copper-clad steel wire comprises: a core wire that is formed from austenite stainless steel; a first coating layer that coats the outer peripheral surface of the core wire and is formed from Ni; and a second coating layer that coats the outer peripheral surface of the first coating layer and is formed from copper or copper alloy. The core wire includes: an austenite layer that is disposed so as to form the outer peripheral surface of the core wire and has a thickness of 1-10 μm, wherein the volume ratio of austenite structure is 80% or more; and a martensite layer that is disposed on the inner peripheral side of the austenite layer, wherein the volume ratio of martensite structure is 80% or more.
Inventors:
MATSUOKA KENTA (JP)
IZUMIDA HIROMU (JP)
HOSHIMA AKIHITO (JP)
IZUMIDA HIROMU (JP)
HOSHIMA AKIHITO (JP)
Application Number:
PCT/JP2023/000977
Publication Date:
December 07, 2023
Filing Date:
January 16, 2023
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H01B5/02; D07B1/06
Domestic Patent References:
| WO2018092350A1 | 2018-05-24 | |||
| WO2020261564A1 | 2020-12-30 |
Attorney, Agent or Firm:
KITANO Shuhei et al. (JP)
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