Abstract: Aiming at common failure modes of nickel aluminum bronze propeller in actual working condition, copper and Cu402F coating were deposited on nickel aluminum bronze 9442# alloy by cold spraying. Surface and cross-section morphology of coating were observed by OM and SEM; the phases of coating were tested by XRD; bonding strength, micro-hardness, elasticity modulus and tribologic properties were analyzed by tensile testing machine, nano indentation testing machine and friction and wear tester. The results revealed that Cu402F and copper coating was compact, which were 900 μm, the average bonding strength were 34.37 MPa and 18.6 MPa, micro-hardness were 5.79 GPa and 2.11 GPa, and elasticity modulus were 198.23 GPa and 138.54 GPa respectively. Friction coefficient and wear rate of Cu402F coating were lower, tribology properties was better than copper coating.
陈正涵,孙晓峰,李占明,史玉鹏. 镍铝青铜基冷喷涂Cu402F与Cu涂层的力学性能[J]. 《材料导报》期刊社, 2018, 32(10): 1618-1622.
CHEN Zhenghan, SUN Xiaofeng, LI Zhanming, SHI Yupeng. Mechanical Properties of Cold Sprayed Cu402F and Cu Coating Deposited on Nickel Aluminum Bronze. Materials Reports, 2018, 32(10): 1618-1622.
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2018, Vol. 32 
