Cavitation Erosion Behavior of 2205 and 2507 Duplex Stainless Steels in Distilled Water and Artificial Seawater

被引:2
|
作者
Wu, Yapeng [1 ]
Lian, Ying [1 ]
Li, Yang [1 ,2 ]
Feng, Mao [1 ]
机构
[1] Hebei Univ Engn, Sch Mech & Equipment Engn, Handan 056038, Peoples R China
[2] Key Lab Intelligent Ind Equipment Technol Hebei P, Handan 056038, Peoples R China
关键词
duplex stainless steels (DSSs); cavitation erosion; corrosion; synergistic effect; ferrite; austenite; CORROSION-RESISTANCE; MICROSTRUCTURE; TEMPERATURE; IMPROVEMENT; BRONZE;
D O I
10.2474/trol.18.482
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Herein, cavitation erosion tests were carried out on 2205 and 2507 duplex stainless steels (DSSs) in distilled water and artificial seawater using ultrasonic cavitation erosion equipment. Optical microscope (OM), X-ray diffractometer (XRD), and scanning electron microscope (SEM) were used to observe the microstructure and cavitation erosion morphology of the specimens. Cavitation erosion and corrosion behaviors of the specimens were analyzed and the synergistic effect between cavitation erosion and corrosion in artificial seawater was also examined. The results show that the cavitation erosion resistance of 2507 DSS is better than that of 2205 DSS in all kinds of solutions. The destruction occurs first in ferrite due to its lower plasticity. The synergistic effect of cavitation erosion and corrosion accelerates the destruction of the material, and the mass loss caused by cavitation erosion-corrosion synergy for 2205 DSS is higher than that of 2507 DSS.
引用
收藏
页码:482 / 493
页数:12
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