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레이저 용접조건이 극저온환경용 금속재료의 용접 비드 형상에 미치는 영향에 대한 연구Part II : STS304L, STS316L

원문정보

Research for Correlation Between Shape of Bead on Plate and Laser Welding Condition of Cryogenic Materials Part II : STS304L, STS316L

김지선, 김재웅

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초록

영어

As the part of efforts to respond to the environmental pollution, the demand for clean energy is increasing. Natural gas is one of the most realistic alternatives, and interest in the storage and transportation containers to utilize the natural gas is growing. The production area of ​​natural gas is limited, and in Korea, it is imported in the form of liquefied natural gas. LNG is a cryogenic state with a vaporization point of -163°C, so the ordinary metal cannot be used due to its brittleness. The international maritime organization (IMO) defines the metals that can handle LNG in the IGC Code, and the research is ongoing. This study was a preliminary study to check the weldability of related metals and confirmed the shape of bead on plate (BOP) during the laser welding for each material. In part I, a study was conducted on the high manganese steel, and in part II, a study was conducted on the materials of STS304L and STS316L among the stainless steel. Based on this study, it can be used as an optimal welding condition for the butt and fillet welding.

목차

ABSTRACT
1. 서론
2. 실험 방법
2.1 실험 장비
2.2 용접 시편
2.3 용접 변형부 측정
3. 실험 결과
4. 결과 분석
4.1 Bead 형상 분석
4.2 레이저 전력에 따른 영향
4.3 용접 속도에 따른 영향
5. 결론
References

저자정보

  • 김지선 Ji-Sun Kim. Korea Institute of Industrial Technology.
  • 김재웅 Jae-Woong Kim. Korea Institute of Industrial Technology. Resrarcher

참고문헌

자료제공 : 네이버학술정보

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