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자동차 부품용 강재(SM40C)의 마찰용접 최적화와 AE에 의한 실시간 품질평가에 관한 연구
오세규(Sae Kyoo Oh),박종배(Jong Bae Park),공유식(You Sik Kong) 한국해양공학회 1999 韓國海洋工學會誌 Vol.13 No.1
This paper presents the experimental examinations and statistical quantitative analysis of the correlation between the cumulative counts of acoustic emission(AE) during plastic deformation periods of the welding and the tensile strength and other properties of the bar-to-bar welded joints of O.D. 16㎜ shaft(SM40C) as well as the various welding variables. And this is a new approach which attempts finally to develop real-time quality monitoring system for friction welding. The results lead to a practical possibility of real-time quality control more than 100% joint efficiency showing good weld with no micro structural defects.