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专业: 金属材料的制备科学与跨学

[交流] 【原创】APL关于BMGC最新文章

Appl. Phys. Lett. 95, 101906 (2009)

Modeling deformation behavior of Cu–Zr–Al bulk metallic glass matrix composites

S. Pauly,1 G. Liu,2 G. Wang,1 J. Das,3 K. B. Kim,4 U. Kühn,1 D. H. Kim,5 and J. Eckert1,6

1IFW Dresden, Institut für Komplexe Materialien, Helmholtzstraße 20 D-01069 Dresden, Germany
2State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
3Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur-721 302, West Bengal, India
4Department of Advanced Materials Engineering, Sejong University, 98 Gunja-dong, Gwangjin-gu, Seoul 143-747, Republic of Korea
5Department of Metallurgical Engineering, Center for Non-crystalline Materials, Yonsei University, Seoul 120-749, Republic of Korea
6TU Dresden, Institut für Werkstoffwissenschaft, D-01062 Dresden, Germany

In the present work we prepared an in situ Cu47.5Zr47.5Al5 bulk metallic glass matrix composite derived from the shape memory alloy CuZr. We use a strength model, which considers percolation and a three-microstructural-element body approach, to understand the effect of the crystalline phase on the yield stress and the fracture strain under compressive loading, respectively. The intrinsic work-hardenability due to the martensitic transformation of the crystalline phase causes significant work hardening also of the composite material. ©2009 American Institute of Physics

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