水射流表面改性对国产Zirlo锆合金包壳管加速腐蚀氧化膜形貌的影响

doi:10.13251/j.issn.0254-6051.2020.06.045

金属热处理 ›› 2020, Vol. 45 ›› Issue (6): 216-219.DOI: 10.13251/j.issn.0254-6051.2020.06.045

水射流表面改性对国产Zirlo锆合金包壳管加速腐蚀氧化膜形貌的影响

李高盛, 王婉琳, 马雪, 孔淑妍, 李怀林

国家电投集团科学技术研究院有限公司, 北京 102209

收稿日期:2019-11-19 出版日期:2020-06-25 发布日期:2020-09-02
通讯作者: 李怀林,教授级高工,博士,E-mail: lihuailin@spic.com.cn
作者简介:李高盛(1986—),男,工程师,博士,主要研究方向为核工业材料,E-mail: ligaosheng@spic.com.cn。
基金资助:
国家科技重大专项(2015ZX6004001-002)

Effect of water jet surface modification on oxide film morphology of homemade Zirlo alloy clad tube treated by accelerate corrosion

Li Gaosheng, Wang Wanlin, Ma Xue, Kong Shuyan, Li Huailin

Science and Technology Research Institution of SPIC, Beijing 102209, China

Received:2019-11-19 Online:2020-06-25 Published:2020-09-02

摘要/Abstract

摘要： 为进一步提高国产锆合金包壳管性能,提高反应堆安全性,对国产Zirlo锆合金进行水射流冲击强化,研究在高温高压水腐蚀条件下不同冲击压力对样品表面氧化膜的影响,并与未冲击样品进行对比。结果表明,样品表面在不同压力的冲击下耐蚀性差异较大,当冲击压力达到40 MPa时样品表面氧化膜状态较好,相比于未冲击样品氧化膜厚度减少4.3%,在10 MPa和20 MPa冲击下则出现腐蚀加速情况。

关键词: 水射流, 锆合金包壳管, 水腐蚀, 氧化膜

Abstract: To improve the properties of homemade zircalloy clad tube and safety of reactor, the homemade Zirlo ally was impacted by water jet and investigated after high temperature and high pressure corrosion with dynamic water. The specimens were tested by SEM and AES to research the effect of the impact pressure of water jet on the oxide film. The results reveal that the water jet may cause good and harmful effect on corrosion of the zircalloy. The oxide film decreases by 4.3% when the impact pressure is up to 40 MPa, comparing with the specimen that is not impacted. However, the corrosion of specimens jetted with pressure of 10 and 20 MPa are worse than that of untreated specimens.

Key words: water jet, zircalloy clad tube, corrosion with dynamic water, oxide film

中图分类号:

TG172.5

李高盛, 王婉琳, 马雪, 孔淑妍, 李怀林. 水射流表面改性对国产Zirlo锆合金包壳管加速腐蚀氧化膜形貌的影响[J]. 金属热处理, 2020, 45(6): 216-219.

Li Gaosheng, Wang Wanlin, Ma Xue, Kong Shuyan, Li Huailin. Effect of water jet surface modification on oxide film morphology of homemade Zirlo alloy clad tube treated by accelerate corrosion[J]. Heat Treatment of Metals, 2020, 45(6): 216-219.

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水射流表面改性对国产Zirlo锆合金包壳管加速腐蚀氧化膜形貌的影响

Effect of water jet surface modification on oxide film morphology of homemade Zirlo alloy clad tube treated by accelerate corrosion

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