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논문 기본 정보

자료유형
학술저널
저자정보
Byoung-Hyun Yoon (Chungnam National Univ.) Ji-Yeon Shim (Korea Institute of Industrial Technology) Bong-Yong Kang (Korea Institute of Industrial Technology)
저널정보
대한용접·접합학회 대한용접·접합학회지 大韓熔接·接合學會誌 第39卷 第6號
발행연도
2021.12
수록면
577 - 581 (5page)

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초록· 키워드

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Electrolytic copper foil is a thin copper film material manufactured by electroplating and is mainly used as a circuit material to transmit electrical signals in printed circuit boards of electronic products such as TVs, PCs, and smartphones. Recently, it has been widely used as a negative current collector for lithium-ion batteries, which is essential for mobile IT and electric vehicles. The electrodeposited drum material is composed of CP Ti, which exhibits corrosion resistance and has a light weight, and welding is essential for processing in the form of a drum. Therefore, when the microstructures of the base metal and the welded part differ, these differences are reflected in the surface of the copper foil, which results in poor quality. Therefore, in this study, a welding process that required a low heat input while minimizing the size of the weld was used, and the change in the grain size was studied through plastic deformation and recrystallization heat treatment of the weld structure. Following the recrystallization heat treatment after the rolling of the plasma welded specimen, it was found that the calculation results of the recrystallization heat treatment were consistent with the actual conditions of the heat treatment, and the microstructure of the weld metal became finer as the rolling reduction rate increased.

목차

Abstract
1. Introduction
2. Materials and Experimental Methods
3. Experimental Results and Discussion
4. Conclusions
References

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