SUPERCONDUCTING AND MECHANICAL ASPECTS OF NANOCRYSTALLINE SYSTEMS

机译：纳米晶体系的超导和力学方面

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The critical current (J_c) of superconductors and mechanical strength of normal materials depend sensitively on grain size, leading to a potentially high J_c in fine grained superconductors and the mechanical softening (Inverse Hall-Petch) in normal nanocrystalline systems. This paper will discuss the physical mechanisms leading to these results and present analytical expressions describing these properties.

机译：超导体的临界电流（J_c）和普通材料的机械强度敏感地取决于晶粒尺寸，从而导致细晶粒超导体中的潜在高J_c以及普通纳米晶体系统中的机械软化（逆霍尔-佩奇（Inverse Hall-Petch））。本文将讨论导致这些结果的物理机制，并提供描述这些特性的分析表达式。

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来源
《TMS(The Minerals, Metals amp; Materials Society) Annual Meeting and Symposium on Surfaces and Interfaces in Nanostructured Materials and Trends in LIGA, Miniaturization, and Nanoscale Materials; 20040314-20040318; Charlotte,NC; US》|2004年|P.13-21|共9页
会议地点 Charlottee NC(US);Charlottee NC(US)
作者
C. S. Pande; R. A. Masumura;
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作者单位

Naval Research Laboratory, Washington, DC 20375-5343;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
critical current; inverse hall-petch; nanocrytalline materials;

机译：临界电流;逆霍尔效应;纳米晶材料;

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1. Superconducting ${rm MgB}_{2}$ Tapes Prepared Using Mechanically Alloyed Nanocrystalline Precursor Powder [J] . Haessler W., Herrmann M., Birajdar B., IEEE Transactions on Applied Superconductivity . 2007,第2期

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2. Superconducting MgB2 Tapes Prepared Using Mechanically Alloyed Nanocrystalline Precursor Powder [J] . Haessler W.., Herrmann M.., Birajdar B.., IEEE Transactions on Applied Superconductivity . 2007,第2期

机译：机械合金化纳米晶前体粉末制备的超导MgB2胶带
3. Microstructure and impurity dependence in mechanically alloyed nanocrystalline MgB_2 superconductors [J] . O Perner, J Eckert, W HaBler Superconductor Science & Technology . 2004,第10期

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SUPERCONDUCTING AND MECHANICAL ASPECTS OF NANOCRYSTALLINE SYSTEMS

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