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首页> 外文会议>Symposium on Structure and Mechanical Properties of Nanophase Materials- Theory and Computer Simulation vs. Experiment Nov 28-30, 2000, Boston, Massachusetts, U.S.A. >Mechanical Properties of Nanocrystalline Ni in Relation to its Microstructure
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Mechanical Properties of Nanocrystalline Ni in Relation to its Microstructure

机译：纳米晶镍的力学性能及其微观结构

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摘要

Mechanical properties of nanocrystalline Ni made by Inert Gas Condensation and Electrodeposition are presented in relation to their microstructure. Significant plasticity is only observed at elevated temperatures for both types of nanocrystalline Ni. However, a higher temperature is needed in the Inert gas condensated material. Careful analysis of the microstructure by means of X-ray diffraction and conventional electron microscopy reveal initial differences in as-prepared samples. The change in microstructure during deformation at elevated temperatures and during heat treatment without external load is investigated and information about the deformation mechanisms is reported.
机译：介绍了通过惰性气体冷凝和电沉积制备的纳米晶Ni的力学性能及其微观结构。对于两种类型的纳米晶Ni，仅在升高的温度下才观察到显着的可塑性。但是，惰性气体冷凝材料需要更高的温度。通过X射线衍射和常规电子显微镜对微观结构进行仔细分析，发现所制备样品的初始差异。研究了在高温下变形过程中以及无外部载荷的热处理过程中微观结构的变化，并报道了有关变形机理的信息。

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