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Microstructure and mechanical properties of a novel Zr-based bulk metallic glass composite

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Chinese Science Bulletin

Abstract

Zr48.5Cu46.5Al{5}bulk metallic glass (BMG) composites with diameters of 3 and 4 mm were prepared through suction casting in an arc melting furnace by modulating the alloy composition around the monothetic BMG composition of the high glass forming ability. Microstructural characterization reveals that the composites contain micron-sized CuZr phase with martensite structure, as well as nano-sized Zr2Cu crystalline particles and Cu10Zr7 plate-like phase embedded in an amorphous matrix. Room temperature compression tests showed that the composites exhibited significant strain hardening and obvious plastic strain of 7.7% for 3 mm and 6.4% for 4 mm diameter samples, respectively.

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Authors and Affiliations

  1. National Microgravity Lab, Institute of Mechanics, Chinese Academy of Sciences, 100080, Beijing, China

    Yufeng Sun, Yuren Wang, Bingchen Wei & Weihuo Li

  2. Research Central for Materials, Department of Materials Science and Engineering, Zhengzhou University, 450002, Zhengzhou, China

    Yufeng Sun

  3. Department of Materials and Chemical Engineering, Zhongyuan Institute of Technology, 450002, Zhengzhou, China

    Jian Guo

Authors
  1. Yufeng Sun
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  2. Yuren Wang
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  3. Jian Guo
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  4. Bingchen Wei
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  5. Weihuo Li
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Corresponding author

Correspondence to Yuren Wang.

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Sun, Y., Wang, Y., Guo, J. et al. Microstructure and mechanical properties of a novel Zr-based bulk metallic glass composite. Chin.Sci.Bull. 50, 2804–2808 (2005). https://doi.org/10.1007/BF02899654

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  • DOI: https://doi.org/10.1007/BF02899654

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