首页> 外文会议>International Symposium on Metastable and Nano-Materials(ISMANAM-2005); 20050703-07; Paris(FR) >Synthesis routes for controlling the microstructure in nanostructured Al_(88)Y_7Fe_5 alloys
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Synthesis routes for controlling the microstructure in nanostructured Al_(88)Y_7Fe_5 alloys

机译:控制纳米结构Al_(88)Y_7Fe_5合金显微组织的合成途径

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摘要

Deformation-induced nanocrystallization has been investigated in metallic Al_(88) Y_7Fe_5 glasses. In situ TEM tensile tests at room temperature give new evidence to the atomic mobility enhancement as the underlying mechanism of nanocrystallization in shear-bands that form during deformation. High pressure torsion straining allows to control the microstructure in producing homogeneous bulk nanostructures at an extremely high number density of nanocrystals.
机译:在金属Al_(88)Y_7Fe_5玻璃中研究了形变诱导的纳米晶化。室温下的原位TEM拉伸测试为原子迁移率增强提供了新的证据,这是在变形过程中形成的剪切带中纳米结晶的基本机制。高压扭转应变允许控制以极高数量密度的纳米晶体生产均质块状纳米结构的微观结构。

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