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저압 함침법에 의한 경합금 복합재료의 최적 설계와 개발에 관한 연구
최용범(Choi Yong Bum),사사키 겐(Sasaki Gen),박원조(Park Won Jo),박성호(Park Sung Ho) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
Metal fiber preform reinforced aluminum alloy composite were made by the infiltration of molten metal under low pressure casting process. The infiltration behavior of filling pattern and the velocity profile with low-pressure casting process was investigated. The thermocouple was inserted into the preform in order to observe the infiltration behavior. The infiltration of applied pressure time, 1s, 2s and 5s under constant pressure of 0.4㎫ was completely filled during 0.4s. In these conditions, molten aluminum alloy has successfully infiltrated to FeCrSi metal fiber preform by low-pressure casting process. It was observed the porosity of composites for reliability of composites,. It was developed the automobile piston with FeCrSi reinforced aluminum alloy that is 0% porosity by the optimal applied pressure and applied pressure time.