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| Effect of Fe Microalloying on Plastic Deformation Behavior of Cu-Zr-Al Metallic Glasses |
XING Dong1, CHEN Shuangshuang1,2( ), SONG Peidi1, QI Kai1, YIN Jun1, LI Weihuo1,2 |
1.School of Materials Science and Engineering, Anhui University of Technology, Ma'anshan 243002, China 2.Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials, Anhui University of Technology, Ministry of Education, Ma'anshan 243002, China |
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Cite this article:
XING Dong, CHEN Shuangshuang, SONG Peidi, QI Kai, YIN Jun, LI Weihuo. Effect of Fe Microalloying on Plastic Deformation Behavior of Cu-Zr-Al Metallic Glasses. Chinese Journal of Materials Research, 2021, 35(11): 850-856.
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Abstract Cu(47.8-x)Zr46.2Al6Fex (x=0, 0.8, 1.2, 1.6) alloy were prepared by copper-mold injection casting method and the effect of Fe microalloying on the glass-forming ability and mechanical properties of Cu(47.8-x)Zr46.2Al6Fex (x=0, 0.8, 1.2, 1.6) metallic glasses were investigated. The results show that the glass-forming ability of the alloy decreases with increasing of Fe content, while the plastic deformation ability at room temperature increases obviously. It is found that with the increase of minor Fe content more free volume will be introduced into the glassy matrix, and the inhomogeneity of composition and free volume distribution in the matrix will increase as a result of the positive mixing enthalpy of Fe and Cu. These factors jointly result in enhanced plasticity of metallic glass with high Fe content.
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Received: 26 October 2020
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| Fund: Natural Science Foundation of Anhui Province(1908085ME147);International Cooperation and Exchanges in Anhui Provincial Key Project of Research(202004b11020010);Natural Science Foundation of Anhui Provincial Education Department(KJ2020A0262) |
About author: CHEN Shuangshuang, Tel: (0555)2311570, E-mail: sschen1117@163.com
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