Failure Evaluation of Spot Welds for Advanced High Strength Steel Sheets

Wooram Noh; Dong Hoon Yoo; Young Woo Koh; Kwan Soo Chung; Xin Yang

doi:10.4028/www.scientific.net/KEM.504-506.131

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 504-506Failure Evaluation of Spot Welds for Advanced High...

Failure Evaluation of Spot Welds for Advanced High Strength Steel Sheets

Abstract:

Resistance spot welding (RSW) is commonly employed in the automotive industry to join sheet metal parts, which often involves several thousands of welds for one vehicle. Therefore, the proper evaluation of their formability/failure behavior is so vital to accurately predict overall crash performance of vehicles. In this work, the failure performance of spot welds has been experimentally and numerically analyzed for welds in which the base material is the TRIP (Transformation induced plasticity steel) 980 sheet. The mechanical properties of the base and welds have been characterized utilizing the inverse method based on the standard and miniature simple tension tests along with the lap-shear tests.

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Periodical:

Key Engineering Materials (Volumes 504-506)

Pages:

131-136

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.504-506.131

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Online since:

February 2012

Authors:

Wooram Noh, Dong Hoon Yoo, Young Woo Koh, Kwan Soo Chung, Xin Yang

Keywords:

AHSS, Damage Model, Inverse Calibration Method, Miniature Simple Tension Test, Resistance Spot Weld, TRIP

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References

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DOI: 10.1016/j.ijplas.2011.01.007

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