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Effect of high pressure on the preparation of Pd–Si–Cu bulk nanocrystalline material

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Abstract

A Pd–Si–Cu bulk nanocrystalline material was prepared by quenching the melted Pd78Si16Cu6 alloy at a cooling rate of 200 K/s under 2–6 GPa. It was found that the nanocrystalline material consists of Pd(Cu) disordered solid solution and a metastable phase-II, Pd4Si. The grain size was found to decrease with increasing pressure. The influence of high pressure on the grain size of bulk nanocrystalline material is discussed, and a possible formation mechanism is proposed.

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Authors and Affiliations

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

    B. Yao, B. Z. Ding, A. M. Wang & Z. Q. Hu

  2. Siping Normal College, Shenyang, 136000, People’s Republic of China

    B. Yao & G. L. Sui

Authors
  1. B. Yao
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  2. B. Z. Ding
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  3. G. L. Sui
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  4. A. M. Wang
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  5. Z. Q. Hu
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Yao, B., Ding, B.Z., Sui, G.L. et al. Effect of high pressure on the preparation of Pd–Si–Cu bulk nanocrystalline material. Journal of Materials Research 11, 912–916 (1996). https://doi.org/10.1557/JMR.1996.0113

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  • DOI: https://doi.org/10.1557/JMR.1996.0113

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