파이버 레이저 용접 공정을 이용한 stainless와 zircaloy-4의 용접특성 비교
Comparisons between Welding Characteristics of Stainless and Zircaloy-4 using Fiber Laser Welding Process
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초록
Fiber laser welding has been developed for precise welding of small and complicate componentsassembled on the nuclear fuel irradiation test rig. In this research, laser welding characteristics ofSTS316L, the main material of nuclear fuel test rig, have been studied. Several welding experimentswere carried out in lap welding of the tube and the end cap made of STS316L. Process variables suchas non-focal length, shield gas, laser frequency and power are optimized and compared with the resultsof Zircaloy-4.
Abstract
Fiber laser welding has been developed for precise welding of small and complicate componentsassembled on the nuclear fuel irradiation test rig. In this research, laser welding characteristics ofSTS316L, the main material of nuclear fuel test rig, have been studied. Several welding experimentswere carried out in lap welding of the tube and the end cap made of STS316L. Process variables suchas non-focal length, shield gas, laser frequency and power are optimized and compared with the resultsof Zircaloy-4.
참고문헌 (6)
- 홍진태, "Study on Fiber Laser Welding Conditions for the Fabrication of a Nuclear Fuel Rod", International Journal of Precision Engineering and Manufacturing, 15(4), pp.777~781 (2014), 한국정밀공학회
- 김수성, "조사 연료봉 봉단마개의 레이저용접기술", 대한용접접합학회지, 21(6), pp.20~25 (2003), 대한용접접합학회
- 이윤기, "공정접합용접기를 이용한 이종재료에 대한 접합특성", 한국기계기술학회지, 15(6), pp.869~874 (2013), 한국기계기술학회
- H. S. Kang, "A study on the welding characteristics of Nd:YAG laser for thin stainless sheets", Jou. of Korean Soc. of Mechanical Technology, 2(2) (2000)
- 김종도, "파이버 레이저를 이용한 LNG선용 STS316L의 용접특성", 한국마린엔지니어링학회지, 36(8), pp.1061~1068 (2012), 한국마린엔지니어링학회[DOI]
- 김지선, "아연도금 박판소재의 고출력 레이저 용접조건 최적화에 관한 연구", 한국기계기술학회지, 15(5), pp.691~696 (2013), 한국기계기술학회