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Journal of KWJS 2011;29(5):72-81.
Published online November 22, 2011.
자동차 B-pillar부품의 스폿용접 및 접착 혼용 용접부의 충돌특성 및 해석에 관한 연구
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A Study on the Crash Characteristics and Analysis of Spot+adhesive Welds in Automobile B-pillar Parts
Youngsoo Choi, Sangman Yun, Yongjoon Cho, Se-hun Rhee
Abstract
  In the present day, the needs of new steel for lightweight car-body have been increased in the automotive industry. however, the resistance spot welding is difficult to apply to the new steel because of the narrow weld current range and defects. As the solutions to these problems, adhesive bonding process is proposed. Adhesive bonding which reduce noise and vibration can be applied to joining the new steel. In this study, crash tests of b-pillar applied the resistance spot welding, structural adhesive bonding, the mixture of the structural adhesives and resistance spot welding were performed. And FEM crash model for b-pillar applied the structural adhesive bonding was developed. The results of experiment and analysis on b-pillar crash test were compared to verify the validity.
Key Words: Adhesive bonding, Resistance spot welding, B-pillar, mixture, crash test, FEM
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