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논문 기본 정보

자료유형
학술저널
저자정보
Cho, Seung-Mok (Division of Materials Science and Engineering, Korea Institute of Science and Technology) Han, Jun-Hyun (Division of Materials Science and Engineering, Korea Institute of Science and Technology) Lee, Jin-Kyu (Division of Advanced Materials Engineering, Kongju National University) Kim, Yu-Chan (Division of Materials Science and Engineering, Korea Institute of Science and Technology)
저널정보
한국재료학회 한국재료학회지 한국재료학회지 제19권 제9호
발행연도
2009.1
수록면
504 - 509 (6page)

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The Zr-based bulk metallic glass matrix composites of a mixture of gas-atomized metallic glass powders and Fe-based nanostructured powders were fabricated by spark plasma sintering. The Fe-based nanostructured powders adopted for the enhancement of plasticity were well distributed in the matrix after consolidation, and the matrix remains as a fully amorphous phase. The successful consolidation of metallic glass matrix composite with high density was attributed to viscous flow in the supercooled liquid state during spark plasma sintering. Unlike other amorphous matrix composites, in which improved ductility could be obtained at the expense of their strength, the developed composite exhibited improvement both in strength and ductility. The ductility improvement in the composite was considered to be due to the formation of multiple shear bands under the presence of the Fe-based nanostructured particles.

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