1 Shi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China 2 School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China 3 Liaoning Key Laboratory of Aero-engine Materials Tribology, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China 4 AnSteel LISCO Stainless Steel Co., Ltd., Guangzhou 510760, Guangdong, China
Effect of friction on corrosion behaviors of AISI 304 and Cr26Mo1 stainless steels in different solutions
1 Shi-Changxu Innovation Center for Advanced Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China 2 School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China 3 Liaoning Key Laboratory of Aero-engine Materials Tribology, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China 4 AnSteel LISCO Stainless Steel Co., Ltd., Guangzhou 510760, Guangdong, China
摘要 The corrosion and tribocorrosion behaviors of AISI 304 austenitic stainless steel and Cr26Mo1 ultrapure high chromium ferrite stainless steel in 3.5 wt.% NaCl and 0.5 mol/L H2SO4 solutions were investigated. Microelectrode electrochemical measurement technology was applied to identify electrochemistry behaviors during tribocorrosion tests in situ. The surface morphologies and compositions of the wear tracks were analyzed by scanning electron microscopy and Raman spectrum. The results showed that compositions of stainless steels, corrosive mediums and applied loads have great influence on tribocorrosion behaviors of stainless steels. Firstly, the corrosion resistance in static state of stainless steels primarily dominates its tribocorrosion behavior; meanwhile, better mechanical properties are in favor of tribocorrosion resistance. Secondly, the corrosion rate is promoted significantly in 3.5% NaCl solution by friction, while the tendency is inconspicuous in 0.5 mol/L H2SO4 solution. Last but not least, passive films on stainless steels can be wiped off by small friction force. With the increase in applied load, the effect of friction converts to forming friction oxide film from removing passivation film, so that a critical load exists below which the friction force can promote the corrosion process extremely.
Abstract：The corrosion and tribocorrosion behaviors of AISI 304 austenitic stainless steel and Cr26Mo1 ultrapure high chromium ferrite stainless steel in 3.5 wt.% NaCl and 0.5 mol/L H2SO4 solutions were investigated. Microelectrode electrochemical measurement technology was applied to identify electrochemistry behaviors during tribocorrosion tests in situ. The surface morphologies and compositions of the wear tracks were analyzed by scanning electron microscopy and Raman spectrum. The results showed that compositions of stainless steels, corrosive mediums and applied loads have great influence on tribocorrosion behaviors of stainless steels. Firstly, the corrosion resistance in static state of stainless steels primarily dominates its tribocorrosion behavior; meanwhile, better mechanical properties are in favor of tribocorrosion resistance. Secondly, the corrosion rate is promoted significantly in 3.5% NaCl solution by friction, while the tendency is inconspicuous in 0.5 mol/L H2SO4 solution. Last but not least, passive films on stainless steels can be wiped off by small friction force. With the increase in applied load, the effect of friction converts to forming friction oxide film from removing passivation film, so that a critical load exists below which the friction force can promote the corrosion process extremely.
Z.X. Dai,S.L. Jiang,L.K. Ning, et al. Effect of friction on corrosion behaviors of AISI 304 and Cr26Mo1 stainless steels in different solutions[J]. Journal of Iron and Steel Research International, 2023, 30(12): 2541-2556.
2023, Vol. 30 
