表面处理对Zr-Sn-Nb合金耐磨损和耐腐蚀性能的影响
Effect of Surface Treatment on Wear and Corrosion Resistance of Zr-Sn-Nb Alloy
摘 要
对Zr-Sn-Nb合金管材进行了喷丸和微弧氧化处理，采用显微硬度计、微动磨损装置和静态高压釜对表面处理前后试样的显微硬度、耐磨损和耐蚀性进行评价。结果表明：与未处理Zr-Sn-Nb合金基体试样相比，喷丸和微弧氧化处理使试样的表面显微硬度分别提高15%和60%，磨损体积降低6%和65%，而且在360 ℃/18.6 MPa去离子水和360 ℃/18.6 MPa/0.01 mol/L LiOH水溶液中的耐蚀性也有所提高。相对表面喷丸处理，微弧氧化更能提高Zr-Sn-Nb合金的表面硬度、耐磨损性能以及耐蚀性。
表面处理
喷丸
微弧氧化
耐磨损性能
耐蚀性
zirconium alloy
surface treatment
shot peening
micro-arc oxidation
wear resistance
corrosion resistance
Abstract
Zr-Sn-Nb alloy tubes were treated by shot peening and micro-arc oxidation. Microhardness tester, fretting wear device and static autoclave were used to evaluate the microhardness, wear resistance and corrosion resistance of the samples before and after surface treatment. The results show that, compared with the untreated Zr-Sn-Nb alloy matrix samples, shot peening and micro-arc oxidation treatment increased the surface microhardness of the samples by 15% and 60%, and reduced the wear volume by 6% and 65%, respectively. And after surface treatment, the corrosion resistance of the samples in 360 ℃/18.6 MPa deionized water and 360 ℃/18.6 MPa/0.01 mol/L LiOH aqueous solution was also improved. Micro-arc oxidation was more effective than shot peening in improving the hardness, wear resistance as well as concurrent corrosion resistance of Zr-Sn-Nb alloy.
中图分类号 TL341 DOI 10.11973/fsyfh-202009005
所属栏目 核电设备的腐蚀与防护
基金项目 大型先进压水堆核电站重大专项（2017ZX06002005）
收稿日期 2020/5/15
修改稿日期
网络出版日期
作者单位点击查看
引用该论文: ZENG Qifeng,CHEN Fuliang,CHEN Lei,LI Cong,LU Junqiang,ZHOU Yunqing. Effect of Surface Treatment on Wear and Corrosion Resistance of Zr-Sn-Nb Alloy[J]. Corrosion & Protection, 2020, 41(9): 27
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