STUDY OF THE MANUFACTURING OF STEEL / Al-Pb COMPOSITE BEARING MATERIAL BY SPRAY FORMING

Abstract

Abstract: The spray forming process of Al-6.5Pb-4.5Si-Cu-0.5Sn bearing alloy is studied using a spray forming equipment. The microstructure and the mechanical properties of the spray formed steel / Al-Pb composite steel strip is analyzed. It is shown that the microstructure of the spray formed Al-Pb layer consisted of the Al-Si matrix and the homogeneously distribut-ed Pb particles. The refined Pb particles improve the wear-resistant property of the alloy. After a rolling of 50% reduction the bonding strength between the spray formed Al-Pb layer and the steel strip is larger than 50 Mpa. The composite steel / Al-Pb strip may be a good potential material to be used for automotive bearing materials.

Key words: Al-Pb alloy, Mechanical properties, Microstructure, Spray forming, Discharge products, Electric discharge machining, High-speed video camera, Titanium alloy, Uniformity of the discharge point distribution

CLC Number:

TF124.39

Chen Guiyun;Tian Chong;Yang Lin;Zhao Jiuzhou;Zhang Yongchang. STUDY OF THE MANUFACTURING OF STEEL / Al-Pb COMPOSITE BEARING MATERIAL BY SPRAY FORMING[J]. , 2002, 38(8): 139-142.

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STUDY OF THE MANUFACTURING OF STEEL / Al-Pb COMPOSITE BEARING MATERIAL BY SPRAY FORMING

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