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원자력 발전소용 이종재(Cu 합금/STS316L) 마찰용접의 최적화와 AE에 의한 실시간 평가에 관한 연구
유인종(IN-JONG YOO),권상우(SANG-WOO KWON),황성필(SUNG-PHIL HWANG),공유식(YU-SIK KONG),오세규(SAE-KYOO OH) 한국해양공학회 2001 韓國海洋工學會誌 Vol.15 No.2
In this paper, joints of Cu-1Cr-0.1Zr alloy to S1S316L were performed by friction welding method. Particularly, Cu-1Cr-0.1Zr alloy is attractive candidate as nuclear power plant material and exibit the best combination of high strength and good electrical and thermal conductivity of any copper alloy examined. The stainless steel is a structural material while copper alloy acts as a heat sink material for the surface heat flux in the first Wall. So, in this paper, not only the development of optimizing of friction welding with more reliability and more applicabililty but also the development of in-process real-time weld quality (such as strength and toughness) evaluation technique by acoustic emission for friction welding of such nuclear reactor component of Cu-1Cr-0.1Zr alloy to STS316L steel were performed.
유공압 밸브 스풀용 강재의 봉대봉 이종재 마찰용접 최적화와 용접강도 특성 및 AE 평가
오세규(Sae-Kyoo Oh),유인종(In-Jong Yoo),오정환(Jung-Hwan Oh),박형동(Hyung-Dong Park),이연탁(Yeon-Tack Lee) 한국해양공학회 1996 韓國海洋工學會誌 Vol.10 No.3
Up to now, most of studies on mechanical properties in friction welded components are about tensile and bending strength. However the fatigue studies on the friction-welded components subjected to repeated stress are not available. The purposes of this study are the development of fundamental design and manufacturing technique of hydraulic valve spool by optimizing of friction welding, and the development of in-process real-time weld quality evaluation technique by acoustic emission for the bar-to-bar dissimilar friction welding of hydraulic valve spool steels.