A Study on the Development of Ultrasonic Scanning Device for the Inspection and Evaluation of Creep Damage of HK - 40 Reformer Tube Welded Zone (HK-40 고온반응관 용접부의 Creep손상 진단기법 및 자동 초음파탐상장치의 개발에 관한 연구)
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- Journal of the Korean Society for Nondestructive Testing
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- v.9 no.1
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- pp.98-105
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- 1989