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| Study of CorrosionWear Resistant Alloy for Pumps Used in Hydrometallurgy of Zinc |
| ZHANG Xianzhong1,CAI Qizhou2,CHEN Zihong1,GAO Zhiqiang1 |
| 1. The No. 2 Steelmaking Plant, Wuhan Iron and Steel (Group) Corp., Wuhan 430081, Hubei, China;2.Faculty of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China |
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Abstract A new corrosionwear resistant alloy for pumps used in hydrometallurgy of zinc and it’s heat treatment were studied.Microscope, Xrag diffraction, SEM and corrosionwear tests were used to investigate the microstructure and corrosionwear resistance and compare with that of CD4MCu and YL for impellers. The results showed that the σ phase of high hardness being pricked in matrix,could effectively prevent the matrix from erosion by solid particle and reduce the corrosionwear lost in hydrometallurgical process of zincy production.The new alloy strengthened by σ phase is the best in corrosionwear resistance among them.
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Received: 01 January 1900
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2007, Vol. 42 
