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NTIS 바로가기한국정밀공학회지 = Journal of the Korean Society for Precision Engineering, v.17 no.1 = no.106, 2000년, pp.164 - 170
최우천 (고려대학교 기계공학과) , 신평균 (고려대학교 기계공학과 대학원)
Important factors in a casting mold are strength at the mold surface and gas permeability of the mold. This study investigates the effects of pre-pressure and sand particle hardness on gas permeability, with a constraint that the norm of a stiffness array at the mold surface should be higher than a ...
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