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- 저자 : 장중순(Joong Soon Jang) (검색결과 98 건)
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장중순(Joong Soon Jang) 대한설비관리학회 1999 대한설비관리학회지 Vol.4 No.4
N/A FMEA is a widely used tool to assess reliability by identifying potential failure modes or defects at the stage of design and development of products or processes. Performing FMEA has two different objectives: reliability assurance and reliability problem
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장중순(Joong Soon Jang),엄윤섭(Y . S . Um),최경희(K . H . Choi),이정태(J . T . Lee) 대한설비관리학회 1996 대한설비관리학회지 Vol.1 No.1
N/A An automatic measuring system for scanning jitters of laser beam printers is developed. Scanning jitters are critical defects for high resolution printing. Two types of scanning jitters are possible' horizontal and vertical. Horizontal jitters are mainly
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발전설비 보일러 튜브 용접부의 잔여수명평가 신뢰성 향상을 위한 기계적 물성 변화 연구
오병진,장중순,Oh, Byungjin,Jang, Joong Soon 대한용접접합학회 2013 대한용접·접합학회지 Vol.31 No.5
Boiler equipment in power plant is always being operated in harsh conditions and severely exposed to the extreme environment of high temperature. Therefore periodically the state of devices should be checked, diagnosed, and analyzed to ensure the reliability of the equipment. Traditionally, such a diagnosis is based one or two physical properties of the sample taken from the equipment like hardness, microstructure, etc.. However, to enhance the confidence of the diagnosis, it is necessary to synthesize those properties together. This paper is to propose such a synthetic procedure for T23 which was developed to be used in $569^{\circ}C/596^{\circ}C$ condition. Creep test and accelerated degradation test were performed simultaneously, and the physical properties such as microstructure, tensile strength, yield strength, hardness, and indentation properties were measured. This paper proposes a method of determining the remaining life by quantitative comparison. It will provide the basis of evaluating life assessment more objective and reliable.
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