期刊
APPLIED PHYSICS LETTERS
卷 95, 期 10, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3222973
关键词
aluminium alloys; composite materials; compressive strength; copper alloys; deformation; fracture; martensitic transformations; materials preparation; metallic glasses; percolation; shape memory effects; work hardening; yield stress; zirconium alloys
资金
- EU [MRTN-CT-2003-504692]
- Korean Ministry of Education, Science and Technology
- Promotionsfrderung des Cusanuswerks
In the present work we prepared an in situ Cu(47.5)Zr(47.5)Al(5) 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.
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