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The effects of tensile plastic deformation on the hardness and Young’s modulus of a bulk nanocrystalline alloy studied by nanoindentation

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Abstract

A bulk nanocrystalline (nc) Ni–Fe alloy was subjected to tensile deformation, which leads to grain growth. The nanoindentation study indicates that the hardness, H, and Young’s modulus, E, of the nc alloy before and after tensile deformation did not show a clear indentation-rate effect. However, the tensile deformation results in a decrease in the E values of about 15%, which might be attributed to the grain rotation, leading to texture development during the stress-induced grain growth.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, The University of Tennessee, Knoxville, Tennessee, 37996, USA

    G. J. Fan, W. H. Jiang, F. X. Liu, H. Choo & P. K. Liaw

  2. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing, 100083, People’s Republic of China

    B. Yang

  3. Department of Chemical Engineering and Materials Science, University of California, Davis, California, 95616, USA

    L. F. Fu & N. D. Browning

  4. Materials Science and Technology Division, Chemistry and Materials Science Directorate, Lawrence Livermore National Laboratory, Livermore, California, 94550, USA

    N. D. Browning

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  1. G. J. Fan
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  2. W. H. Jiang
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  3. F. X. Liu
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  4. H. Choo
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  5. P. K. Liaw
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  6. B. Yang
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  7. L. F. Fu
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  8. N. D. Browning
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Correspondence to G. J. Fan.

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Fan, G.J., Jiang, W.H., Liu, F.X. et al. The effects of tensile plastic deformation on the hardness and Young’s modulus of a bulk nanocrystalline alloy studied by nanoindentation. Journal of Materials Research 22, 1235–1239 (2007). https://doi.org/10.1557/jmr.2007.0147

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  • DOI: https://doi.org/10.1557/jmr.2007.0147

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