발간논문

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Vol.52, No.3, 203 ~ 210, 2014
Title
Mechanical Properties of Porous Titanium Structure Fabricated by Investment Casting with Pressurization/Depressurization System
강산 San Kang , 이지운 Ji Woon Lee , 현승균 Soong Keun Hyun , 이병필 Byong Pil Lee , 김명균 Myoung Gyun Kim , 김영직 Young Jig Kim
Abstract
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.
Key Words
porous materials, casting, mechanical properties, hardness test, titanium
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