Ultrasonic Nondestructive Evaluation of Microstructural Degradation in Artificially Aging Heat Treated 2.25CrMo Steel (인공 열화 열처리된 2.25CrMo 강의 미세조직 변화에 대한 초음파 비파괴평가)
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- Journal of the Korean Society for Heat Treatment
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- v.14 no.2
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- pp.110-117
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- 2001