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Characteristics of face-centered cubic metals processed by equal-channel angular pressing

机译:等通道角压加工的面心立方金属的特征

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摘要

This review surveys the characteristics of face-centered cubic (fcc) metals and alloys processed by equal-channel angular pressing (ECAP). The significance of the Hall–Petch relationship for ultra-fine grained structures is examined and the dependence of the saturated stress obtained in ECAP on the absolute melting temperature is described and discussed. In addition, the flow processes at low temperatures in ultrafine-grained materials and the microstructural evolution of the dislocation densities and precipitates in some alloys of practical importance are also considered briefly.
机译:这篇评论调查了通过等通道角挤压(ECAP)处理的面心立方(fcc)金属和合金的特性。检验了Hall-Petch关系对于超细晶粒结构的重要性,并描述和讨论了在ECAP中获得的饱和应力对绝对熔化温度的依赖性。此外,还简要考虑了超细晶粒材料在低温下的流动过程以及某些具有实际重要性的合金中位错密度和沉淀物的微观结构演变。

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  • 来源
    《Journal of Materials Science》 |2007年第5期|1594-1605|共12页
  • 作者单位

    Department of Materials Physics Eötvös University Budapest Pázmány P. sétány 1/A Budapest 1117 Hungary;

    Department of Materials Physics Eötvös University Budapest Pázmány P. sétány 1/A Budapest 1117 Hungary;

    Departments of Aerospace ampamp Mechanical Engineering and Materials Science University of Southern California Los Angeles CA 90089-1453 USA;

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  • 正文语种 eng
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