Temperature dependence of grain-boundary strain on stretching polycrystalline lead

Abstract

High-purity polycrystalline lead has been used to examine grain-boundary slip (GBS), boundary migration, and the relationship to other strain mechanisms on stretching in the range 0.1-0.9T_mp. There are two stages in the temperature dependence of the grain-boundary slip, with the junction around 0.5T_mp. The low-temperature one reflects the accommodation function, which is accompanied: by slip within the grains, while the high-temperature one corresponds to slip as an independent process accompanied by rotational accommodation processes of fragmentation type. The temperature dependence for the boundary migration has a maximum at high temperatures. There is no direct relation between GBS and boundary migration. The measurements agree well with the theory of structural strain levels.

Original language	English
Pages (from-to)	270-273
Number of pages	4
Journal	Soviet Physics Journal
Volume	31
Issue number	4
DOIs	https://doi.org/10.1007/BF00892630
Publication status	Published - 1 Apr 1988

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1007/BF00892630

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Zhukova, K. P., Elsukova, T. F., Panin, V. E., & Rudenko, Y. N. (1988). Temperature dependence of grain-boundary strain on stretching polycrystalline lead. Soviet Physics Journal, 31(4), 270-273. https://doi.org/10.1007/BF00892630

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abstract = "High-purity polycrystalline lead has been used to examine grain-boundary slip (GBS), boundary migration, and the relationship to other strain mechanisms on stretching in the range 0.1-0.9Tmp. There are two stages in the temperature dependence of the grain-boundary slip, with the junction around 0.5Tmp. The low-temperature one reflects the accommodation function, which is accompanied: by slip within the grains, while the high-temperature one corresponds to slip as an independent process accompanied by rotational accommodation processes of fragmentation type. The temperature dependence for the boundary migration has a maximum at high temperatures. There is no direct relation between GBS and boundary migration. The measurements agree well with the theory of structural strain levels.",

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AU - Zhukova, K. P.

AU - Elsukova, T. F.

AU - Panin, V. E.

AU - Rudenko, Yu N.

PY - 1988/4/1

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N2 - High-purity polycrystalline lead has been used to examine grain-boundary slip (GBS), boundary migration, and the relationship to other strain mechanisms on stretching in the range 0.1-0.9Tmp. There are two stages in the temperature dependence of the grain-boundary slip, with the junction around 0.5Tmp. The low-temperature one reflects the accommodation function, which is accompanied: by slip within the grains, while the high-temperature one corresponds to slip as an independent process accompanied by rotational accommodation processes of fragmentation type. The temperature dependence for the boundary migration has a maximum at high temperatures. There is no direct relation between GBS and boundary migration. The measurements agree well with the theory of structural strain levels.

AB - High-purity polycrystalline lead has been used to examine grain-boundary slip (GBS), boundary migration, and the relationship to other strain mechanisms on stretching in the range 0.1-0.9Tmp. There are two stages in the temperature dependence of the grain-boundary slip, with the junction around 0.5Tmp. The low-temperature one reflects the accommodation function, which is accompanied: by slip within the grains, while the high-temperature one corresponds to slip as an independent process accompanied by rotational accommodation processes of fragmentation type. The temperature dependence for the boundary migration has a maximum at high temperatures. There is no direct relation between GBS and boundary migration. The measurements agree well with the theory of structural strain levels.

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