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RISS 인기검색어
- 검색키워드
- 주제어 : japanese low activation ferritic(JLF) (검색결과 2 건)
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AE기법을 이용한 JLF/STS304이종재료의 최적 마찰용접조건에 관한 연구
이진경(Jin-Kyung Lee),공유식(Yu-Sik Kong),윤한기(Han-Ki Yoon),이상필(Sang-Phil Lee),박이현(Yi-Hyun Park) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.10
Japanese low activation ferritic steel(JLF) was evaluated to be a good material as the parts of the heat exchanger such as blanket, diverter. In order to apply this material to the various fields, the development of jointing technique between JLF steel and other materials has been required. Recently, a jointing technology development of JLF-1 steel (Fe-9Cr-2W-V-Ta) and Stainless steel(STS304) have been investigated for diffusion bonding, brazing, roll bonding, explosive bonding and hot isostatic pressing. However, a friction welding is one of the most popular welding methods for joining between different materials such as a tube. In this paper, joints of JLF-1 steel to STS304 were performed by friction welding method. The optimal conditions of friction welding were discussed. In order to evaluate the weld quality in process, nondestructive technique of acoustic emission was used.
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AE기법 이용한 JLF/STS304이종재료의 최적 마찰용접조건에 관한 연구
윤한기,이진경,이상필,공유식 한국비파괴검사학회 2003 한국비파괴검사학회지 Vol.23 No.2
저방사화 페라이트강인 JLF는 핵융합로의 블랑켓과 같은 열교환기의 재료로써 유용한 재료이다. 이 재료의 광범위한 적용을 위해서는 JLF강과 다른 재료와의 접합기술의 개발이 중요하다. 최근 두 이종재료간의 접합에는 마찰용접이 많이 이용되고 있으며 본 연구에서도 JLF강과 STS304 간의 마찰용접에 의한 용접특성을 평가하였으며 특히 비파괴기법중의 하나인 음향방출 기법을 이용하여 두 이종재료간의 용접특성 및 최적의 용접조건을 평가하였다. 음향방출 파라미터중의 하나인 카운트와 사상수 등이 최적용접조건 및 용접품질을 평가하는데 유효한 파라미터들이었다. Japanese low activation ferritic steel(JLF) is a good material for the parts of heat exchanger such as blanket and diverter. At first, JLF was developed as a candidate for structural materials in nuclear fusion applications. However, the development of the jointing technique of JLF steel to other materials is important for wide applications of this material to the industry fields. Recently the jointing technologies including diffusion bonding, brazing, roll bonding, explosive bonding and hot iso-static pressing have been studied for the heterogeneous materials of JLF-1 steel(Fe-9Cr-2W-V-Ta) and stainless steel(STS304). Friction welding is one of the most popular welding methods for two different kinds of materials. In this paper, the JLF-1 steel was jointed to STS304 by friction welding method and the optimal conditions of the friction welding discussed. Acoustic emission was used as a nondestructive technique to evaluate the weld quality in processing.
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