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首页> 外文期刊>Journal of Nuclear Materials: Materials Aspects of Fission and Fusion >Microstructural characterization of copper coatings in development for application to used nuclear fuel containers
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Microstructural characterization of copper coatings in development for application to used nuclear fuel containers

机译：用核燃料容器应用铜涂层的微观结构特征

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In the design of used nuclear fuel containers for deep geological repositories, copper is considered to be a suitable and long-lived barrier for corrosion resistance. The microstructures of state-of-the-art copper materials used in this application produced through extrusion, a grain boundary engineered electrodeposition technique and cold spraying were studied via electron backscattered diffraction. Desirable microstructural characteristics for localized corrosion resistance of pure copper were compiled from the literature considering grain size, grain boundary character distribution, and crystallographic texture. The subject copper materials were found to have favourable microstructures for localized corrosion resistance, in particular, a high fraction of special grain boundaries, especially Sigma 3 twins, rendering them suitable for the given application. Crown Copyright (C) 2020 Published by Elsevier B.V. All rights reserved.
机译：在用于深层地质储存库的二手核燃料容器的设计中，铜被认为是耐腐蚀性的合适和长寿命。 通过挤出生产的本申请中使用的最先进的铜材料的微观结构，通过电子背散射衍射研究了晶界工程电沉积技术和冷喷涂。 考虑晶粒尺寸，晶界特征分布和晶体纹理，从文献中编制了纯铜局部耐腐蚀性的理想微观结构特性。 发现主题铜材料具有良好的微观结构，特别是局部耐腐蚀性，特别是高分数的特殊晶粒边界，特别是Sigma 3孪晶，使它们适用于给定的应用。 皇家版权（c）2020由elestvier b.v发布。保留所有权利。

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