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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Comparative Analysis of Microstructure and Collision Performance of TWB Hot Stamped Parts with Various Strength Combinations
강도조합에 따른 TWB 핫스탬핑 부품의 미세구조 및 충돌성능 비교 분석
Chang Wook Lee, Yeonjung Hwang, Uk Heo, Byung Gil Yoo, Ji Hong Yoo, Taejeong Kim, Kwang Min Yoon이창욱, 황연정, 허욱, 유병길, 유지홍, 김태정, 윤광민
Korean J. Met. Mater.
2022;60(11):801-810. Published online 2022 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2022.60.11.801
Abstract
Hot stamping technology has been steadily developed because it provides both excellent formability and high strength. With the development of TWB hot stamping technology, it is now possible to freely apply the required strength and thickness in the right place. In this study, the microstructure and collision performance of TWB.....
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Web of Science 2
Crossref 3
Effect of Hot Stamping Heat Treatment Temperature on Resistance Spot Weldability of Al-10% Si Coated 30MnB5 Steel
핫스탬핑 열처리 온도가 Al-10% Si 도금 30MnB5 강의 점용접성에 미치는 영향
Seong Guk Son, Yeonjung Hwang, Chang Wook Lee, Ji Hong Yoo, Minsu Choi손성국, 황연정, 이창욱, 유지홍, 최민수
Korean J. Met. Mater.
2019;57(12):778-786. Published online 2019 Oct 8
DOI:
https://doi.org/10.3365/KJMM.2019.57.12.778
Abstract
Hot stamping is the most efficient manufacturing process to produce high strength automotive parts with reduced springback. Recently, 30MnB5 steel has been developed for hot stamping steel which can provide above 1700 MPa. However, resistance spot weldability of this steel is insufficient due to the need for a large amount.....
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Web of Science 5
Crossref 5
Study of the Corrosion Behaviour, Liquid Metal Embrittlement and Resistance Spot Weldability of Galvannealed Hot Stamping Steel
합금화 용융아연도금 핫스탬핑강의 자동차 차체 적용을 위한 부식 거동, 액상금속취화현상 및 점용접성 연구
Yeonjung Hwang, Chang Wook Lee, Ga-Young Shin, Ji Hong Yoo, Minsu Choi황연정, 이창욱, 신가영, 유지홍, 최민수
Korean J. Met. Mater.
2019;57(3):193-201. Published online 2019 Feb 8
DOI:
https://doi.org/10.3365/KJMM.2019.57.3.193
Abstract
The hot stamping process is beneficial for fabricating high strength automotive parts without spring back. To suppress high temperature oxidation and decarburization, it is necessary to coat the hot stamping steel. In the present work, the performance of galvannealed coated (GA) hot stamped steel was evaluated. During cyclic corrosion tests,.....
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Web of Science 7
Crossref 7
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