高压氘氚气氛下不锈钢吸附氚的初步研究

刘文科; 龙兴贵; 彭述明; 曹小华; 杨本福; 罗顺忠; 王维笃; 程贵钧

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高压氘氚气氛下不锈钢吸附氚的初步研究

低能加速器技术、射线技术及应用 | 更新时间：2021-03-12

- 高压氘氚气氛下不锈钢吸附氚的初步研究
- Preliminary studies on tritium sorption in stainless steel under high pressure gas mixture of deuterium and tritium
- 核技术 2007年第9期
- 作者机构：
  
  1. 中国工程物理研究院核物理与化学研究所
  2. 中国工程物理研究院核物理与化学研究所,绵阳,621900
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O647.31
- 纸质出版日期：2007-09-01
- 稿件说明：
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[1]刘文科,龙兴贵,彭述明,曹小华,杨本福,罗顺忠,王维笃,程贵钧.高压氘氚气氛下不锈钢吸附氚的初步研究[J].核技术,2007(09):759-762.

LIU Wenke LONG Xingui PENG Shuming CAO Xiaohua YANG Benfu LUO Shunzhong WANG Weidu CHENG Guijun. Preliminary studies on tritium sorption in stainless steel under high pressure gas mixture of deuterium and tritium[J]. Nuclear techniques, 2007, (9): 759-762.
[1]刘文科,龙兴贵,彭述明,曹小华,杨本福,罗顺忠,王维笃,程贵钧.高压氘氚气氛下不锈钢吸附氚的初步研究[J].核技术,2007(09):759-762. DOI：

LIU Wenke LONG Xingui PENG Shuming CAO Xiaohua YANG Benfu LUO Shunzhong WANG Weidu CHENG Guijun. Preliminary studies on tritium sorption in stainless steel under high pressure gas mixture of deuterium and tritium[J]. Nuclear techniques, 2007, (9): 759-762. DOI：

摘要

本工作对于氚在不锈钢表面的吸附和解吸行为进行了初步研究。样品在n（D）:n（T）=1:1

230℃时

15MPa下恒温8h后

接着在27MPa下恒温6h的情况下进行了氚的吸附

测量了室温下和加热到1173K时的解吸氚量和总吸附量。其结果如下:不锈钢的总吸附氚量是857.4MBq·cm

-2

不锈钢的解吸氚量是722.2MBq·cm

-2

;在本实验的条件下

在室温和加热条件下

不锈钢所释放的氚中

化学成分主要是HTO和HT两部分

大部分以HT形式存在;不锈钢的自由氚占吸附总氚量的7.34%;不锈钢的热解吸谱存在三个解吸峰

其解吸温度分别为439、530和843K。

Abstract

The adsorption and desorption behaviors of tritium on the surfaces of stainless steel were studied prelimi- narily. After the exposure in the mixed gas of 50% deuterium and 50% tritium (15 MPa mixed gas

8 hours and 27MPa mixed gas

6 hours exposure at 503 K)

the tritium desorbed at room temperature and during heating up to 1173 K and the total sorbed tritium of the samples were measured. The results showed that the total adsorbed tritium was 857.4 MBq·cm-2

the desorbed tritium was 722.2 MBq·cm-2

the standard deviation of measurement was 6.49%. The tritium released from stainless steel at room temperature and during heating was mostly in the form of HT

The ratio of the free tritium to the total absorbed tritium was 7.34%. There were three peaks in the thermo-desorption spectrums of stainless steel

their desorption temperatures of the three peaks were 439

530 and 843 K

respectively.

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