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Synthesis of bulk nanocrystalline Ti–Cu alloy by pressure-quenching method

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Abstract

A new method is proposed to prepare bulk nanocrystalline alloys by quenching alloy melts under high pressure. Due to application of pressure to solidification processes, the nucleation rate is increased whereas the growth rate of nuclei decreased with increase of pressure, which makes it possible to obtain bulk ingots with nanometer-sized crystalline grains if appropriate pressure, temperature, and cooling rate are selected. The as-pressure-quenched products are cylinder-like with diameter about 4 mm and height several millimeters. This method can produce dense, free-porosity bulk nanocrystalline alloys with clean crystalline interfaces, promising use for experimental research and technological applications.

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Author notes

  1. Dongjian Li

    Present address: Department of Physics, University of Virginia, Charlottesville, VA, 22901, USA

Authors and Affiliations

  1. National Key Lab for RSA, Institute of Metal Research, Academia Sinica, Shenyang, 110015, People’s Republic of China

    Dongjian Li, Aiming Wang, Bing Yao, Bingzhe Ding & Zhuangqi Hu

Authors
  1. Dongjian Li
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  2. Aiming Wang
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  3. Bing Yao
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  4. Bingzhe Ding
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  5. Zhuangqi Hu
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Li, D., Wang, A., Yao, B. et al. Synthesis of bulk nanocrystalline Ti–Cu alloy by pressure-quenching method. Journal of Materials Research 11, 2685–2688 (1996). https://doi.org/10.1557/JMR.1996.0338

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  • DOI: https://doi.org/10.1557/JMR.1996.0338

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