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| Numerical Simulation in Resistance Spot Welding of Ultra-High Strength Hot-Formed Steel |
| ZHENG Wen-1, WANG Min-1, KONG Liang-1, CHENG Xuan-Ting-2, SUN You-2, LEI Ming-3 |
| （1. Shanghai Key Laboratory of Materials Laser Processing and Modification, Shanghai Jiaotong University, Shanghai 200240, China;2. Shanghai Yirui Car Technology Co., Ltd, Shanghai 201814, China;3. Baoshan Iron & Steel Co.,Ltd. Technology Center, Shanghai 201900, China）
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Abstract Based on the software SORPAS, an axial symmetric finite element model for the resistance spot welding process (RSW) of ultrahigh strength hotformed steel (UHSS) was established. By numerical simulation, change rules of the temperature field, the nugget size, etc during the spot welding were discovered quantitatively. Comparing the numerical simulation results with the experimental measured ones, it was proved that the finite element model is feasible. It can also provide guidance for the RSW process of the UHSS.
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Received: 01 July 2010
Published: 30 July 2012
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