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J. Ocean Eng. Technol. 1999;13(1):88-93.    

A Study on Optimization of Friction Welding of Automobile Component Materials(SM40C) and Its Real Time Quality Evaluation by AE
Oh, Sae-Kyoo;Park, Jong-Bae;Kong, You-Sik;
자동차 부품용 강재(SM40C)의 마찰용접 최적화와 AE에 의한 실시간 품질평가에 관한 연구
오세규;박종배;공유식;
부경대학교 공과대학;한독부산직업전문학교;부경대학교 대학원;
© 1999 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Friction Welding, Acoustic Emission, Welding Condition, Weld Strength, Toughness, Quality, Optimization
핵심용어: FRW, 마찰용접, AE, 음향방출, 용접조건, 용접강도, 인성
Abstract
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. 16mm 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.


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