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Plastic stress-strain relations of polycrystalline metals

Chiang, C.

Journal of Materials Science, 1988, Vol.23(8), pp.2921-2925 [Tạp chí có phản biện]

ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF00547470

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  • Nhan đề:
    Plastic stress-strain relations of polycrystalline metals
  • Tác giả: Chiang, C.
  • Chủ đề: Metals ; Crystal Structure ; Stress Strain Relations ; Plastic Deformation ; Grain Size ; Microstructure ; Scm7.5 Plasticity (So) ; Article
  • Là 1 phần của: Journal of Materials Science, 1988, Vol.23(8), pp.2921-2925
  • Mô tả: Plastic deformation of polycrystals is investigated on the basis of single-crystal deformation. Slip is assumed to be the only deformation mechanism. Accordingly, an explicit tensile plastic stress-strain relation which contains the relevant microstructure parameters is obtained. As a simple application of the theoretical model, the effect of grain size on the flow stresses of polycrystals is studied. Finally, the general features of the present polycrystal model are summarized. Numerical results are obtained for face-centred cubic polycrystals, and the theoretical predictions are found to be in reasonable agreement with those of Taylor, Bishop, Hill and Hutchinson.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF00547470

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