발간논문

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Vol.44, No.10, 691 ~ 697, 2006
Title
A Superlattice Containing Cu-based Composite with High Strength
이승재 Seung Jae Lee , 이석우 Seok Woo Lee , 김규현 Kyou Hyun Kim , 한준희 Jun Hee Hahn , 이재철 Jae Chul Lee
Abstract
A Cu-based composite, CU86Zr11Al3, was synthesized by copper mold casting. The composite exhibited an unusual microstructure consisting of a ductile Cu crystalline phase and hard superlattice phase (Cu5Zr)0.8Zr0.2. Quasistatic uniaxial compression tests revealed a high strength (1.0~1.6 GPa). In this study, we report the mechanism underlying the superior mechanical properties of the composite in relation with its unique microstructures.
Key Words
composite, superlattice, strengthening
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