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A new Mg65Cu7.5Ni7.5Zn5Ag5Y10 bulk metallic glass with strong glass-forming ability

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Abstract

We report a new Mg-based bulk metallic glass-forming alloy: Mg65Cu7.5Ni7.5Zn5 Ag5Y10. The alloy exhibits a glass-forming ability significantly stronger than all previously discovered Mg-based glass formers. Fully glassy rods 9 mm in diameter can be obtained by using copper mold casting. The critical cooling rate for glass formation was estimated to be <50 Ks−1. The reduced glass-transition temperature (Trg) of the glass was determined to be 0.59.

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Authors and Affiliations

  1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, 110016, Shenyang, People’s Republic of China

    H. Ma & J. Xu

  2. Department of Materials Science and Engineering, The Johns Hopkins University, 21218, Baltimore, Maryland, USA

    E. Ma

Authors
  1. H. Ma
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  2. E. Ma
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  3. J. Xu
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Correspondence to J. Xu.

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Ma, H., Ma, E. & Xu, J. A new Mg65Cu7.5Ni7.5Zn5Ag5Y10 bulk metallic glass with strong glass-forming ability. Journal of Materials Research 18, 2288–2291 (2003). https://doi.org/10.1557/JMR.2003.0319

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  • DOI: https://doi.org/10.1557/JMR.2003.0319

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