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Influence of plasma immersion titanium implantation on hydrogenation and mechanical properties of Zr-2.5Nb

机译:等离子体浸没钛注入对Zr-2.5Nb氢化和力学性能的影响

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This paper describes the effect of plasma immersion ion implantation (PIII) of titanium on hydrogenation behavior and mechanical properties of Zr-2.5Nb alloy. Surface morphology and depth distribution of elements in the surface layer of the samples were analyzed by scanning electron (SEM) and atomic force microscopy (AFM), and glow-discharge optical emission spectroscopy (GDOES). Hydrogenation was performed at 673 K temperature and 2 atm pressure. It was found that after titanium implantation a diffusion barrier is formed, accumulating hydrogen and preventing hydrogen penetration in the sample volume. The microdroplet content significantly influences the hydrogenation behavior of the zirconium alloy. Hydrogen sorption rate decreased 18.3 times and 4.3 times using filtered and unfiltered PIII, respectively. The mechanical properties of titanium-implanted zirconium layer were improved. The degradation of the mechanical properties after hydrogenation was revealed. (C) 2016 Elsevier B.V. All rights reserved.
机译:本文介绍了钛等离子浸入离子注入(PIII)对Zr-2.5Nb合金的氢化行为和力学性能的影响。通过扫描电子(SEM)和原子力显微镜(AFM)以及辉光放电光发射光谱(GDOES)分析了样品表面层中元素的表面形态和深度分布。在673 K温度和2 atm压力下进行氢化。发现在钛注入之后,形成了扩散阻挡层,该扩散阻挡层积聚了氢并防止氢渗透到样品体积中。微滴含量显着影响锆合金的氢化行为。使用过滤的和未过滤的PIII的氢吸附率分别降低了18.3倍和4.3倍。钛注入锆层的机械性能得到改善。揭示了氢化后机械性能的下降。 (C)2016 Elsevier B.V.保留所有权利。

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