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Nanoindentation Mechanical Properties of a Bi-phase Cu29Zr32Ti15Al5Ni19 Alloy

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Abstract

Mechanical properties of cylindrical bi-phasic high-entropy alloy Cu29Zr32Ti15Al5Ni19 (3 mm in diameter) were characterized by nanoindentation test in each phase. The results show that the constituent FCC phase is of low nanohardness (2.35 GPa) and modulus (60.9 GPa), while another constituent phase in the alloy, the HCP phase, shows much higher nanohardness (6.5 GPa) and modulus (115.3 GPa). Creep occurs in both phases during the indentation.

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Acknowledgments

The authors would like to thank for the financial support by the Opening Project of Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology (ASMA201418), Innovation Fund (CKJA201301, CKJB201302) and Dr. Special Found (ZKJ201403) of Nanjing Institute of Technology.

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Authors and Affiliations

  1. Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing, 211167, China

    JinHong Pi, ZhangZhong Wang, XianCong He & YunQiang Bai

  2. School of Materials Engineering, Nanjing Institute of Technology, Nanjing, 211167, China

    JinHong Pi, ZhangZhong Wang, XianCong He & YunQiang Bai

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  1. JinHong Pi
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Correspondence to JinHong Pi.

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Pi, J., Wang, Z., He, X. et al. Nanoindentation Mechanical Properties of a Bi-phase Cu29Zr32Ti15Al5Ni19 Alloy. J. of Materi Eng and Perform 25, 76–82 (2016). https://doi.org/10.1007/s11665-015-1821-6

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  • DOI: https://doi.org/10.1007/s11665-015-1821-6

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