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고주파 유도 가열을 이용한 열간 파이프 벤딩품(저탄소강)의 기계적 성질 연구
황범규(B. K. Hwang),우타관(T. K. Woo),김두영(D. Y. Kim),문영훈(Y. H. Moon),권용남(Y. N. Kwon),이영선(Y. S. Lee) 한국소성가공학회 2010 한국소성가공학회 학술대회 논문집 Vol.2010 No.5
Recently, A hot pipe bending process using High-frequency induction heating which has a small bending curvature of the bend without creating a mold having the small bending curvature and the bend production process of the large tube is widely used in the power generation, shipbuilding and plant construction industry. In this study, after the pipe bending using high-frequency induction heating, the quality change of the pipe was analyzed by considering direction. The fatigue endurance test was performed to obtain reliability from the life of the straight part and deformed part on the pipe. Also the tests were performed to obtain the effect of fatigue limit under the microstructure and hardness.