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소형 펀치 시험법을 이용한 열화된 P92강의 크리프 거동 특성 평가
기동현(Dogn-hyun Ki),임병수(byeong-soo Lim) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, the number of high temperature components that are being used under high pressure and temperature, is increasing and for better thermal efficiency, new high temperature materials are being developed. Such effort required development of nod· high temperature materials, which have better high temperature properties and as the result, P92 steel is developed as a piping material.<br/> In this study, the creep behavior of P92 is observed by Small punch creep test method at 600℃ and characteristics were investigated using Base metal, weld metal, heat affected zone of P92 steel that has been exposed to the welding process.