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Patent Searching and Data


Title:
COMBINATION STRUCTURE OF METAL SHEETS FOR AUTOMOBILE BY USING TRIP STEEL AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
WIPO Patent Application WO/2020/096271
Kind Code:
A1
Abstract:
Provided is a combination structure of metal sheets for automobiles which is capable of reinforcing the anti-corrosion property while maintaining the high-strength and high-elongation properties inherent in TRIP steel, in applying the TRIP steel to a vehicle body. This combination structure of metal sheets for automobiles includes: an aluminum-plated steel sheet having an aluminum coating layer formed on a surface of a first steel sheet made of TRIP steel, the aluminum-plated steel sheet being formed by cold working at a temperature no higher than the recrystallization temperature of the TRIP steel; a zinc-plated steel sheet having a zinc coating layer formed on a surface of a second steel sheet, the zinc-plated steel sheet being formed; and a spot welding region created by spot welding of the aluminum-plated steel sheet and the zinc-plated steel sheet in a state in which the aluminum coating layer and the zinc coating layer abut each other.

Inventors:
SHIN HEESANG (KR)
LEE GEONYONG (KR)
KIM BAEKHYUN (KR)
CHO SUNGWON (KR)
Application Number:
PCT/KR2019/014586
Publication Date:
May 14, 2020
Filing Date:
October 31, 2019
Export Citation:
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Assignee:
RENAULT SAMSUNG MOTORS CO LTD (KR)
International Classes:
B32B37/06; B32B15/01; B62D21/08; B62D29/00
Foreign References:
US20130189539A12013-07-25
US20090050608A12009-02-26
US20130125607A12013-05-23
US20180079026A12018-03-22
US20170298482A12017-10-19
Attorney, Agent or Firm:
LIM & JEONG PATENT LAW FIRM (KR)
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