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Synergistic work hardening by rapid multiplication of dislocations in a multi-principal-element alloy
Nature Materials ( IF 41.2 ) Pub Date : 2024-04-26 , DOI: 10.1038/s41563-024-01891-3


In a multi-principal-element VCoNi alloy, premature necking during Lüders banding has been harnessed to produce rapid dislocation multiplication, leading to both forest hardening and hardening induced by regions of local chemical order. The result is ductility of 20% and a yield strength of 2 GPa, during room-temperature and cryogenic deformation.

中文翻译:

多主元素合金中位错快速增殖的协同加工硬化

在多主元 VCoNi 合金中,Lüders 带化过程中的过早颈缩已被用来产生快速位错增殖,从而导致森林硬化和局部化学有序区域引起的硬化。结果是,在室温和低温变形过程中,延展性为 20%,屈服强度为 2 GPa。
更新日期:2024-04-26
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