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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.
김대영,이대용 순천향대학교 기초과학연구소 1997 순천향자연과학연구 논문집 Vol.3 No.1
Deacylation and/or decarboxylation of α-fluoro-β-diketo ester using various hydrolysis conditions is described. Deacylation reaction was seletively proceeded under mild acidic conditions using silica gel and wet ethyl acetate.