期刊
MATERIALS LETTERS
卷 65, 期 8, 页码 1172-1175出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.01.030
关键词
Amorphous materials; Metals and alloys; Deformation and fracture
资金
- Research Committee of The Hong Kong Polytechnic University
In this paper, the effect of nickel coating on the plasticity of a brittle Fe-based bulk metallic glass (BMG) was investigated. By electrodepositing a nickel coating onto an Fe(75)Mo(5)P(10)C(8.3)B(1.7) BMG, the plasticity of the BMG is shown to increase dramatically from similar to 0.5% to -5.0%. Without reducing the strength of the BMG, the findings demonstrate that the electrodeposited nickel is an effective way to improve prominently brittle BMGs. The increased compressive plastic strain is believed to be attributed to the nucleation, intersection and bifurcation of multiple shear bands due to the exterior impedance of the surrounding coating. (C) 2011 Elsevier B.V. All rights reserved.
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