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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 8    No. 1    March 1998

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DEVELOPMENT OF NEW EROSION-CORROSION RESISTANT CUPRONICKEL ALLOYS
Wang Jihui, Jiang Xiaoxia and Li Shizhuo

Institute of Metal Research,Chinese Academy of Sciences, Shengyang110015, P. R. China

Abstract:Two series of erosion-corrosion resistant cupronickel alloys, 16Ni and 30Ni series, were developed. Erosion-corrosion resistant cupronickel alloys of 30Ni series was based on 70Cu-30Ni alloy and added Cr, Al and trace amount of boron. Erosion-corrosion resistant cupronickel alloys of 16Ni series was composed of about 16%Ni, 5%Mn and small amount of Fe, Cr, Al elements. Compared with 70Cu-30Ni and 90Cu10Ni alloys, these new cupronickel alloys have high strength, hardness and corrosion resistance, their corrosive wear and erosion-corrosion resistance were greatly improved without affecting its corrosion resistance and mechanical formability. The effect and optimum content of alloying elements were discussed.

 

Key words: cupronickel alloy erosion-corrosion erosion corrosive wear

ISSN 1672-7029
CN 43-1423/U

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