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이대용,신한철,최종술,이영국 대한금속재료학회(대한금속학회) 1997 대한금속·재료학회지 Vol.35 No.10
Damping capacity of tempered martensite of an Fe-0.7wt.%C steel was investigated as a function of tempering temperature up to 600℃. The damping capacity abruptly decreased up to 200℃, while increased from 200 to 400℃, and again decreased with further tempering temperature over 400℃. These experimental results were well explained by the number of precipitates(carbon atoms or carbides) per unit length of dislocation and the number of dislocations available for damping source.