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首页> 外文期刊>Scripta materialia >HIGH TEMPERATURE DEFORMATION BEHAVIOUR OF MECHANICALLY ALLOYED MICROCRYSTALLINE ODS SILVER
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HIGH TEMPERATURE DEFORMATION BEHAVIOUR OF MECHANICALLY ALLOYED MICROCRYSTALLINE ODS SILVER

机译:机械合金化微晶ODS银的高温变形行为

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摘要

During high temperature deformation of metallic materials conventional strengthening mechanisms sucti as fine grain and precipitation strengthening are ineffective because of grain boundary sliding or particle coarsening, respectively. An enhanced creep resistance of metallic matrices can be achieved by incoherent, fine and homogeneously distributed oxide particles which hinder the dislocation movement. Hence, an additional stress is necessary to overcome these particles (1).
机译:在金属材料的高温变形过程中,由于晶粒边界滑动或颗粒粗化,传统的强化机制如细晶粒和析出强化均无效。金属基体的抗蠕变性提高可以通过阻碍位错运动的不连贯,细小且均匀分布的氧化物颗粒来实现。因此,需要额外的应力来克服这些颗粒(1)。

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