This paper presents corrosive-wear (C-W) behaviors of three kinds of steels under the simulating condition oftraditional zinc hydrometallurgy process by using a self-made rotating disk apparatus. Result shows that pur...This paper presents corrosive-wear (C-W) behaviors of three kinds of steels under the simulating condition oftraditional zinc hydrometallurgy process by using a self-made rotating disk apparatus. Result shows that pure wear lossrate is significantly larger than pure corrosion loss rate. Under this C-W condition, the ranking of C-W resistance is S2 >S3 > S1 (S1: austenite stainless steel; S2: CD-4MCu duplex stainless steel; S3 :17-4PH stainless steel). S2 has excellentC-W resistance due to strong surface deformation strengthening effect of high-density dislocations of the γ phase. S3 alsohas excellent C-W resistance owing to high hardness and strength. However, S1 does not show good C-W resistanceunder strong erosion of liquid-solid slurry because of its single-phase austenitic structure and very low hardness. As aresult, duplex stainless steels as well as 17-4 PH stainless steel can be used as impeller candidate materials in the zinchydrometallurgy process due to their excellent C-W resistance and lower cost.展开更多
文摘This paper presents corrosive-wear (C-W) behaviors of three kinds of steels under the simulating condition oftraditional zinc hydrometallurgy process by using a self-made rotating disk apparatus. Result shows that pure wear lossrate is significantly larger than pure corrosion loss rate. Under this C-W condition, the ranking of C-W resistance is S2 >S3 > S1 (S1: austenite stainless steel; S2: CD-4MCu duplex stainless steel; S3 :17-4PH stainless steel). S2 has excellentC-W resistance due to strong surface deformation strengthening effect of high-density dislocations of the γ phase. S3 alsohas excellent C-W resistance owing to high hardness and strength. However, S1 does not show good C-W resistanceunder strong erosion of liquid-solid slurry because of its single-phase austenitic structure and very low hardness. As aresult, duplex stainless steels as well as 17-4 PH stainless steel can be used as impeller candidate materials in the zinchydrometallurgy process due to their excellent C-W resistance and lower cost.
