质子辐照对AL-6XN在高温高压水中的腐蚀行为影响

中国腐蚀与防护学报

2012, Vol. 32

Issue (5): 381-387

研究报告

本期目录 | 过刊浏览

质子辐照对AL-6XN在高温高压水中的腐蚀行为影响

乔岩欣^1,2，任爱¹，刘飞华¹，郑玉贵²，唐睿³，靳硕学⁴，郭立平⁴

1. 苏州热工研究院有限公司苏州 215004
2. 中国科学院金属研究所金属腐蚀与防护国家重点实验室沈阳 110016
3. 中国核动力研究设计院成都 610041
4. 武汉大学物理科学与技术学院武汉 430072

EFFECT OF PROTON IRRADIATION ON CORROSION BEHAVIOR OF AUSTENITE STAINLESS STEEL AL-6XN IN HIGH TEMPRATURE HIGH PRESSURE WATER

QIAO Yanxin^1,2, REN Ai¹, LIU Feihua¹, ZHENG Yugui², TANG Rui³, JIN Shuoxue⁴, GUO Liping⁴

1. Suzhou Nuclear Power Research Institute, Suzhou 215004
2. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016
3. Nuclear Power Institute of China, Chengdu 610041
4. School of Physics and Technology, Wuhan University, Wuhan 430072

全文: PDF(3081 KB)

摘要:

利用扫描电镜、能谱分析和X射线衍射研究质子辐照前后的奥氏体不锈钢AL-6XN在高温高压水中的腐蚀行为。结果表明，未辐照的样品在高温高压水中生成了完整的氧化膜，样品增重随着浸泡时间的增加而增加，温度越高腐蚀增重越显著。经过质子辐照后的材料在290℃/10 MPa水中氧化膜发生了严重的溶解，浸泡后样品出现了失重，在550℃/25 MPa超临界水中外层氧化膜发生了剥落，且浸泡时间越长氧化膜剥落越严重。质子辐照不影响氧化膜的元素组成和相结构，同时建议了质子辐照后奥氏体不锈钢在高温水中氧化膜剥落的模型。

关键词 ：
超临界水堆, 辐照, 腐蚀, 氧化膜

Abstract：

The corrosion behavior of austenite stainless steel Al-6XN exposed in high temperature high pressure water for different periods was investigated. The results showed that compact oxide scale could form on unirradiation sample in sub- and supercritical water. The oxide scale formed on irradiation sample exhibited obvious dissolution in sub-critical water and oxide scale exfoliated in supercritical water. Proton irradiation could not alter the chemical elements and phase structure of the oxide film. The oxide scale exfoliation model for the protons irradiated austenitic stainless steel exposed in high temperature water was proposed.

Key words： supercritical water coolant reactor irradiation corrosion oxide scale

收稿日期: 2011-10-25

ZTFLH:

TG172.82

基金资助:

江苏省自然科学基金(BK2011317)和广东核电集团项目(CGNPC2010S096-09)资助

通讯作者: 乔岩欣， E-mail: qiaoyanxin2009@cgnpc.com.cn

Corresponding author: QIAO Yanxin E-mail: qiaoyanxin2009@cgnpc.com.cn

作者简介: 乔岩欣，男，1980年生，博士，高级工程师，研究方向为核电站结构材料的腐蚀和应力腐蚀乔岩欣，qiaoyanxin2009@cgnpc.com.cn

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引用本文:

乔岩欣，任爱，刘飞华，郑玉贵，唐睿，靳硕学，郭立平. 质子辐照对AL-6XN在高温高压水中的腐蚀行为影响[J]. 中国腐蚀与防护学报, 2012, 32(5): 381-387.
QIAO Yanxin, REN Ai, LIU Feihua, ZHENG Yugui, TANG Rui, JIN Shuoxue, GUO Liping. EFFECT OF PROTON IRRADIATION ON CORROSION BEHAVIOR OF AUSTENITE STAINLESS STEEL AL-6XN IN HIGH TEMPRATURE HIGH PRESSURE WATER. Journal of Chinese Society for Corrosion and protection, 2012, 32(5): 381-387.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2012/V32/I5/381

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