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A micromechanics model of creep deformation in dispersion-strengthened metals

Tanaka, M.

Journal of Materials Science, 1995, Vol.30(12), pp.3177-3182 [Tạp chí có phản biện]

ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF01209234

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  • Nhan đề:
    A micromechanics model of creep deformation in dispersion-strengthened metals
  • Tác giả: Tanaka, M.
  • Chủ đề: Iron ; Mechanical Properties ; Low Carbon Steels ; High Carbon Steels ; Creep (Materials) ; Dispersion Hardening ; Mechanical Properties (MD) ; Article ; Scl, Low Carbon Steels ; Sch, High Carbon Steels ; Scl, Low Carbon Steels ; S20c ; S80c ; Fe-0.03c
  • Là 1 phần của: Journal of Materials Science, 1995, Vol.30(12), pp.3177-3182
  • Mô tả: A micromechanics model, in which work-hardening caused by second-phase particles and a recovery process by diffusion of atoms were taken into account, has been proposed for explaining the creep deformation of dispersion-strengthened metals in high-temperature creep. A constitutive equation of the Θ projection was employed to describe the whole creep curves from the onset of loading to rupture. The results of the calculations based on the present model have been compared with those of experiments on the carbon steels containing spherical cementite particles. There was a correlation between the experimental creep curves and the calculated ones. The changes in the calculated creep strain and creep rate with time have also been compared with the experimental results on carbon steels. The micromechanics model was found to be applicable to any kind of two-phase material, if the constitutive equation was appropriately chosen.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0022-2461 ; E-ISSN: 1573-4803 ; DOI: 10.1007/BF01209234

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