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压应力对镍铝青铜合金空蚀腐蚀行为的影响

Effect of compressive stress on cavitation erosion-corrosion behavior of nickel-aluminum bronze alloy.

作者信息

Qin Zhenbo, Li Xuehan, Xia Da-Hai, Zhang Yiwen, Feng Chao, Wu Zhong, Hu Wenbin

机构信息

Tianjin Key Laboratory of Composite and Functional Materials, School of Material Science and Engineering, Tianjin University, Tianjin 300072, China.

Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), Tianjin University, Tianjin 300072, China.

出版信息

Ultrason Sonochem. 2022 Sep;89:106143. doi: 10.1016/j.ultsonch.2022.106143. Epub 2022 Aug 28.

DOI:10.1016/j.ultsonch.2022.106143
PMID:36058140
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9460524/
Abstract

The effect of compressive stress on cavitation erosion-corrosion behavior of nickel-aluminum bronze alloy was investigated, and the results showed that the alloy exhibited selective phase corrosion of eutectoid "α + κ" and its destruction was aggravated with more cavitation mass loss up to 1.74 times of the specimen without stress. It was mainly owing to the enhanced corrosion-induced erosion caused by compressive stress, which led to lattice distortion of the alloy and the resulting accelerated selective phase corrosion with increasing surface roughness, and then intensified the synergistic effect of electrochemical corrosion and mechanical erosion.

摘要

研究了压应力对镍铝青铜合金空蚀腐蚀行为的影响，结果表明该合金表现出共析体“α + κ”的选择性相腐蚀，且随着空蚀质量损失增加，其破坏加剧，最高可达无应力试样的1.74倍。这主要是由于压应力导致腐蚀诱导侵蚀增强，使合金晶格畸变，随着表面粗糙度增加，加速了选择性相腐蚀，进而强化了电化学腐蚀与机械侵蚀的协同作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/6695860f6b0f/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/bc362121d22c/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/3c9848cd1020/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/2d26a6ae597e/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/1b4af6701232/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/83a154bf2cc9/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/a121d761003e/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/368c0ad821f2/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/ef16d5496d9f/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/18394c44f362/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/5d2083c2f9c9/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/d58ab41ada7b/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/6695860f6b0f/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/bc362121d22c/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/3c9848cd1020/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/2d26a6ae597e/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/1b4af6701232/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/83a154bf2cc9/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/a121d761003e/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/368c0ad821f2/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/ef16d5496d9f/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/18394c44f362/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/5d2083c2f9c9/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/d58ab41ada7b/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b45/9460524/6695860f6b0f/gr11.jpg

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