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| Microstructure and properties os steelAl-Pb composite bearing plate prepared by spray forming and rolling |
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| 中国科学院金属研究所 |
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Cite this article:
. Microstructure and properties os steelAl-Pb composite bearing plate prepared by spray forming and rolling. Chin J Mater Res, 2004, 18(1): 102-102.
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Abstract The spray forming and rolling process was used for the preparation of steel/Al-8.5Pb-4Si-Cu-0.5Sn (wt%) composite bearing strip. The microstructure and the mechanical properties of the spray formed steel / Al-Pb composite strip were analyzed. It shows that the microstructure of the spray formed Al-Pb layer consists of the Al-Si matrix and the homogeneously distributed refined Pb particles. After a rolling of 50% reduction and followed by annealing at 320℃ for 5 hours, the interfacial shearing strength between the spray formed Al-Pb layer and the steel strip is 72MPa. The high interfacial bonding strength is due to the formation of diffusion layer between the steel substrate and the spray formed Al-Pb alloy layer. The refined Pb particles improve the wear-resistant property of the bearing alloy.
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Received: 13 January 2003
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