【摘 要】
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Impact testing is a primary method to evaluate the impact property of resistance spot welding,which is an important quality index in automotive industry. For te
【机 构】
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The State Key Laboratory of Rolling and Automation,China Automotive Engineering Research Institute C
论文部分内容阅读
Impact testing is a primary method to evaluate the impact property of resistance spot welding,which is an important quality index in automotive industry. For testing impact properties of spot welds,many custo-mized testers have been developed. This paper summarized some of the impact testers reported in open litera-tures and the emphasis was placed on the equipment structures,functions,technical parameters,advantages and disadvantage,etc. Some key issues about the development of the testers such as kinematic energy input mode,fixture design,combined load testing,sensor and data acquisition were discussed. Finally,the prob-lems and prospects in the research and development of impact testers for spot welds were pointed out.
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