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新型Ti-19Zr-10Nb-1Fe合金的电化学腐蚀、磨损和腐蚀磨损行为
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1.中国兵器工业第五二研究所烟台分所有限责任公司,山东 烟台 264003;2.西安石油大学 机械工程学院,陕西 西安 710065;3.北京万洁天元医疗器械股份有限公司,北京 102609

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基金项目:

NSFC (52071261)


Electrochemical Corrosion, Wear, and Tribocorrosion Be-havior of Novel Ti-19Zr-10Nb-1Fe Alloy
Author:
Affiliation:

1.No.52 Institute of China North Industry Group, Yantai 264003, China;2.Mechanical Engineering College, Xi'an Shiyou University, Xi'an 710065, China;3.Beijing Wanjie Medical Device Co., Ltd, Beijing 102609, China

Fund Project:

National Natural Science Foundation of China (52071261)

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    摘要:

    研究了新型Ti-19Zr-10Nb-1Fe合金的电化学腐蚀、磨损和腐蚀磨损行为。电化学腐蚀测试结果表明,在本研究实验条件下,Ti-19Zr-10Nb-1Fe合金的耐腐蚀性能优于Ti-6Al-4V合金。与静态电化学腐蚀相比,由于磨损加速腐蚀,在腐蚀磨损过程中Ti-19Zr-10Nb-1Fe合金的耐腐蚀性能明显降低。不论是否存在电化学腐蚀,Ti-19Zr-10Nb-1Fe合金的磨损体积随着加载载荷的增加而增加。由于电化学腐蚀的加速作用,Ti-19Zr-10Nb-1Fe合金磨损体积要大于无电化学腐蚀条件下的磨损体积。Wa/Wc结果远大于10,这说明在腐蚀磨损过程中机械磨损造成的材料流失远大于电化学腐蚀造成的材料流失。通过SEM观察Ti-19Zr-10Nb-1Fe合金腐蚀磨损后的磨损形貌可知,在腐蚀磨损过程中磨损占据主导作用。综合上述结果表明,Ti-19Zr-10Nb-1Fe合金在腐蚀磨损过程中,腐蚀加速磨损,磨损加速腐蚀。

    Abstract:

    The electrochemical corrosion, wear, and tribocorrosion behavior of the novel Ti-19Zr-10Nb-1Fe alloy were investigated. The electrochemical corrosion analysis results show that the corrosion resistance of the Ti-19Zr-10Nb-1Fe alloy is better than that of the Ti-6Al-4V alloy under the test conditions in this research. Compared with the static electrochemical corrosion, the corrosion resistance of Ti-19Zr-10Nb-1Fe alloy during tribocorrosion decreases significantly, because the wear accelerates corrosion. The wear volume of Ti-19Zr-10Nb-1Fe alloy is increased with the increase in applied load whether the electrochemical corrosion occurs or not. Due to the acceleration effect of electrochemical corrosion, the wear volume caused by electrochemical corrosion is larger than that without electrochemical corrosion. The results of Wa/Wc are much greater than 10, indicating that during the tribocorrosion process, the material loss caused by mechanical wear is much larger than that caused by electrochemical corrosion. Through SEM observation of the wear morphologies of Ti-19Zr-10Nb-1Fe alloy after tribocorrosion, it can be inferred that the micro-abrasion is the main wear mechanism. The above results show that during the tribocorrosion process, the corrosion accelerates wear, and the wear accelerates corrosion.

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郑自芹,黄思著,屈文涛,王振国.新型Ti-19Zr-10Nb-1Fe合金的电化学腐蚀、磨损和腐蚀磨损行为[J].稀有金属材料与工程,2024,53(8):2137~2143.[Zheng Ziqin, Huang Sizhu, Qu Wentao, Wang Zhenguo. Electrochemical Corrosion, Wear, and Tribocorrosion Be-havior of Novel Ti-19Zr-10Nb-1Fe Alloy[J]. Rare Metal Materials and Engineering,2024,53(8):2137~2143.]
DOI:10.12442/j. issn.1002-185X.20230693

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历史
  • 收稿日期:2023-11-05
  • 最后修改日期:2024-01-16
  • 录用日期:2024-01-31
  • 在线发布日期: 2024-08-09
  • 出版日期: 2024-08-08