等离子喷涂碳化硼/钼涂层氚的滞留性能研究

doi:10.3724/SP.J.1077.2013.13074

无机材料学报 ›› 2013, Vol. 28 ›› Issue (9): 1040-1044.DOI: 10.3724/SP.J.1077.2013.13074 CSTR: 32189.14.SP.J.1077.2013.13074

等离子喷涂碳化硼/钼涂层氚的滞留性能研究

林初城¹, 朱慧颖², MASAO Matsuyama³, 王虎⁴, 黄利平¹, 郑学斌¹, 曾毅²

(1.中国科学院上海硅酸盐研究所, 特种无机涂层重点实验室, 上海200050; 2. 中国科学院上海硅酸盐研究所, 高性能陶瓷和超微结构国家重点实验室, 上海200050; 3. 富山大学氢同位素研究中心, 富山9308555, 日本; 4. 上海市计量测试研究院, 上海 201203)

收稿日期:2013-01-31 修回日期:2013-03-05 出版日期:2013-09-20 网络出版日期:2013-08-14
作者简介:林初城. E-mail: chucheng@mail.sic.ac.cn
基金资助:
Open Fund of Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences(KLICM-2012-03); Research Fund for Nanomaterials of Shanghai (11nm0506900); Shanghai Municipal Committee of Science and Technology Research Project (11231201302); International S&T Cooperation Program of China (2013DFG52290)

Characterization of Tritium Retention in Plasma Sprayed B₄C/Mo Coatings

LIN Chu-Cheng¹, ZHU Hui-Ying², MASAO Matsuyama³, WANG Hu⁴, HUANG Li-Ping¹, ZHENG Xue-Bin¹, ZENG Yi²

(1. Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; 2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; 3. Hydrogen Isotope Research Center, University of Toyama, Gofuku 3190, Toyama 930-8555, Japan; 4. Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China)

Received:2013-01-31 Revised:2013-03-05 Published:2013-09-20 Online:2013-08-14
About author:LIN Chu-Cheng (1987–), male, bachelor. E-mail: chucheng@mail.sic.ac.cn
Supported by:
Open Fund of Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences(KLICM-2012-03); Research Fund for Nanomaterials of Shanghai (11nm0506900); Shanghai Municipal Committee of Science and Technology Research Project (11231201302); International S&T Cooperation Program of China (2013DFG52290)

摘要/Abstract

摘要： 为了保证核能源的使用安全, 对氚在第一壁材料表面的滞留数量以及深度进行定量表征非常重要。在本研究中, 制备了一系列潜在的第一壁材料B₄C/Mo 涂层, 并采用成像板(IP)和β射线激发X射线(BIXS)法对其表面的氚滞留情况进行了测定。IP 图像表明, 涂层表面吸附的氚含量遵循以下顺序: B₄C>BM15>BM5>Mo。而BIXS结果进一步表明, 对于B₄C涂层, 大部分氚扩散到了涂层内部; 而对于其他三种涂层, 氚仅在其表面发生吸附。扫描电镜(SEM)结果显示, B₄C涂层气孔率最高, 而其他三种涂层尽管气孔率较低, 但其截面仍能观察到大量气孔和微裂纹的存在。涂层中的这些缺陷为氚的吸收和扩散提供了通道, 而气孔与微裂纹的尺寸最终决定了氚在涂层表面的吸附数量。实验结果还表明, 涂层杂质成分Ti的存在也对氚的滞留产生了一定影响。

关键词: 碳化硼/钼, 第一壁材料, 氚, X射线光谱法

Abstract: Quantification of the amount and depth of tritium retained on plasma facing materials (PFMs) surface is of great importance for selecting PFMs with high safety in the nuclear system. In the present study, potential PFMs of B₄C/Mo coatings were prepared and the depth profiles of tritium in the coatings were measured both by imaging plate (IP) technique and β-ray induced X-ray spectrometry (BIXS). The IP images showed that the amount of adsorbed tritium in the coatings followed the order of B₄C > BM15 > BM5 > Mo, which was along with the X-ray spectra also illustrating that most tritium penetrated into the bulk of the B₄C coating while on the surface only for the other three coatings. The cross-sectional morphologies of the coatings were observed by scanning electron microscope (SEM), which demonstrated that B₄C coatings had the highest porosity while the other three coatings were denser despite of the existence of smaller-sized pores and cracks. All the results suggest that pores and microcracks in the as-sprayed coatings provide passageway for tritium penetration and adsorption, which are the key factors that affect the amount of tritium adsorbed. Furthermore, the content of Ti contamination in the coatings also plays an important role in controlling tritium adsorption.

Key words: B₄C/Mo coatings, PFMs, tritium, X-ray spectrometry

中图分类号:

TG174

林初城, 朱慧颖, MASAO Matsuyama, 王虎, 黄利平, 郑学斌, 曾毅. 等离子喷涂碳化硼/钼涂层氚的滞留性能研究[J]. 无机材料学报, 2013, 28(9): 1040-1044.

LIN Chu-Cheng, ZHU Hui-Ying, MASAO Matsuyama, WANG Hu, HUANG Li-Ping, ZHENG Xue-Bin, ZENG Yi. Characterization of Tritium Retention in Plasma Sprayed B₄C/Mo Coatings[J]. Journal of Inorganic Materials, 2013, 28(9): 1040-1044.

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等离子喷涂碳化硼/钼涂层氚的滞留性能研究

Characterization of Tritium Retention in Plasma Sprayed B₄C/Mo Coatings

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Characterization of Tritium Retention in Plasma Sprayed B₄C/Mo Coatings