ALUMINUM ALLOY WITH REDUCED RESIDUAL STRESS, AND MANUFACTURING METHOD THEREFOR

Title:

ALUMINUM ALLOY WITH REDUCED RESIDUAL STRESS, AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2024/043539

Kind Code:

A1

Abstract:

The present invention relates to an aluminum alloy with reduced residual stress, and provides an aluminum alloy which is an Al-Cu alloy containing a transition metal, and which has, during post-solution-annealing quenching, residual stress lower than that of an Al-Cu alloy containing no transition metals. The alloy of the present invention can inhibit dimensional deformation and damage, which can be caused by residual stress.

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Inventors:

LEE EUN KYUNG (KR)
MOON GI HOON (KR)
LEE JUN YEOP (KR)

Application Number:

PCT/KR2023/010374

Publication Date:

February 29, 2024

Filing Date:

July 19, 2023

Export Citation:

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Assignee:

KOREA MARITIME UNIV IND ACAD (KR)

International Classes:

C22C21/12; B22D21/00; C22F1/057

Foreign References:

JPH1017976A	1998-01-20
KR101220439B1	2013-01-10
KR20180115350A	2018-10-22
KR20210080908A	2021-07-01
JPWO2020040190A1	2021-04-08

Attorney, Agent or Firm:

NAM, Gun Pil et al. (KR)

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