State of the art of impact testers for spot welds

作     者：Hua Fu' an Ma Mingtu Li Jianping Wang Guodong Hua Fu’an;Ma Mingtu;Li Jianping;Wang Guodong;The State Key Laboratory of Rolling and Automation,Northeastern University;China Automotive Engineering Research Institute Co.Ltd.;Chongqing New Material Engineering Center

作者机构：The State Key Laboratory of Rolling and Automation Northeastern University Shenyang 110819 China China Automotive Engineering Research Institute Co. Ltd. Chongqing 401122 China Chongqing New Material Engineering Center Chongqing 400039 China 

出 版 物：《Engineering Sciences》 (中国工程科学（英文版）)

年 卷 期：2014年第12卷第5期

页      面：59-66页

学科分类：08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0835[工学-软件工程] 081102[工学-检测技术与自动化装置] 0811[工学-控制科学与工程] 081202[工学-计算机软件与理论] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

基　　金：Open Project of the State (Beijing) Technology Research Institute of Lightweight Automo-bile Co. Ltd.(20130202) 

主　　题：resistance spot welding impact testing impact tester impact strength 

摘      要：Impact testing is a primary method to evaluate the impact property of resistance spot welding,which is an important quality index in automotive *** testing impact properties of spot welds,many customized testers have been *** paper summarized some of the impact testers reported in open literatures and the emphasis was placed on the equipment structures,functions,technical parameters,advantages and disadvantage,*** key issues about the development of the testers such as kinematic energy input mode,fixture design,combined load testing,sensor and data acquisition were ***,the problems and prospects in the research and development of impact testers for spot welds were pointed out.