논문 국내 국제전문학술지(SCI급) LASER TAILOR-WELDED BLANKS FOR HOT-PRESS-FORMING STEEL WITH ARC PRETREATMENT
- 학술지 구분 국제전문학술지(SCI급)
- 게재년월 2015-04
- 저자명 배성민, 강민정, 김철희
- 학술지명 INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY
- 발행처명 KOREAN SOC AUTOMOTIVE ENGINEERS
- 발행국가 국내
- 논문언어 한국어
홈페이지논문 초록 (Abstract)
Tailor-welded blanks (TWBs) are made of sheets with various strengths or thicknesses that ensure increased material strength without significantly increasing the weight. In this s tudy, Al?Si-coated hot-press-forming steel sheets were subjected to lase r butt welding for making TWBs. After laser welding, the welded blanks w ere heated and subsequently quenched to simulate a thermal cycle in the hot-press-forming process, and the properties of the welded joints were examined. Arc pretreatment was applied before laser welding, and its in fluence on the mechanical and metallurgical properties of the welds was analysed.