발간논문

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Vol.35, No.10, 1434 ~ 1436, 1997
Title
Damping Capacity of Tempered Martensite of an Eutectoid Steel
이영국 , 이대용 , 신한철 , 최종술 Young Kook Lee , Dae Yong Lee , Han Chul Shin , Chong Sool Choi
Abstract
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.
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