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Home  >  NEWS  >  Effect of Cryogenic Treatment on the Corrosion and Wear Resistance of AISI 310S Stainless Steel

Effect of Cryogenic Treatment on the Corrosion and Wear Resistance of AISI 310S Stainless Steel

2021-07-12

Cryogenic treatment affects the corrosion and wear resistance of AISI 310S stainless steel in 3.5% (mass fraction) Na Cl solution. The 310S stainless steel is subjected to thermal insulation and cryogenic treatment at -196°C. The results show that: The grains are refined, and more carbides are dispersed and precipitated out of the matrix; after cryogenic treatment, the corrosion resistance of the material is improved, reaching the best value at 4 h after cryogenic treatment, and the self-corrosion potential is increased from -0.525 V compared with no cryogenic treatment To -0.423 V, an increase of 19.4%; and after cryogenic treatment, the corrosion resistance of the material is improved. After cryogenic treatment for 4 hours, the wear rate of the material is reduced from 120×10-6mm3/Nm to 63×10-6mm3/ Nm, reduced by 90%.IMG_20200714_135425.jpg

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