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가압/감압 시스템을 이용하여 정밀 주조된 Ti 다공체의 기계적 특성
강산 ( San Kang ),이지운 ( Ji Woon Lee ),현승균 ( Soong Keun Hyun ),이병필 ( Byong Pil Lee ),김명균 ( Myoung Gyun Kim ),김영직 ( Young Jig Kim ) 대한금속재료학회(구 대한금속학회) 2014 대한금속·재료학회지 Vol.52 No.3
A porous titanium structure was fabricated by investment casting with a pressurization/depressurization system, and its mechanical properties were studied. A Micro-Vickers hardness profile revealed that hardness gradually increased from the matrix to the metal/mold interface. A compression test was conducted on a single cell of the porous Ti structure. The theoretical and experimental values of yield strength were in good agreement. Such agreement suggested that the reaction layer did not affect the macro-mechanical properties of the porous Ti structure.