Effects of HAZ softening on the strength and elongation of resistance spot-welded joints in high-strength steel sheet in an in-plane tensile test

Author:

FUJIMOTO Hiroki1,HAMADA Kouichi1,OKADA Toru1,FUJII Hidetoshi2

Affiliation:

1. Nippon Steel & Sumitomo Metal Corporation

2. Joining and Welding Research Institute, Osaka University

Publisher

Japan Welding Society

Subject

Metals and Alloys,Surfaces, Coatings and Films,Mechanical Engineering,Mechanics of Materials

Reference15 articles.

1. 1) KONDO Takaaki, ISHIUCHI Kentarou: 1.2 GPa Advanced High Strength Steel with High Formability, No. 2014-01-0991. SAE Technical Paper (2014).

2. 2) HIKIDA Kazuo, NISHIBATA Toshinobu, KIKUCHI Hirohisa, SUZUKI Takayuki, NAKAYAMA Nobuyuki: Development of TS1800MPa Grade Hot Stamping Steel Sheet, Materia Japan, Vol.52 No.2 (2013), p68-70. (in Japanese)

3. 3) M. Pouranvari: Effect of Resistance Spot Welding Parameters on the HAZ Softening of DP980 Ferrite-Martensite Dual Phase Steel Welds, World Applied Sciences Journal 15 (10) (2011) p1454-1458.

4. 4) FUJIMOTO Hiroki, YASUYAMA Masanori, UEDA Hideki, UEJI Rintaro, FUJII Hidetoshi: Static Strength of Hot-stamped Spot Welded Joints -Study on Spot Welding Tailored Blank Technology-, Quarterly Journal of the Japan Welding Society, Vol. 33 No. 2 (2015), p144-152. (in Japanese)

5. 5) FUJIMOTO Hiroki, FUKUI Kiyoyuki, OKAMURA Kazuo, MIYAHARA Mitsuo, NAKAYAMA Eisuke: A Study on Strength and Fracture Mode of Spot Welds for High Tensile Strength Steels, 2002 JSAE Spring Convention Proceedings 20025623, (2002). (in Japanese)

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