Novel Reduced-friction Materials by Laser Cladding of Copper Alloy on Cast Iron

Abstract

Abstract: Copper alloys suitable for laser cladding on cast iron are selected trom rune types of conventional powders. There are a poor spreading ability and porosity of copper alloy over the surface of castiron. Copper alloy surface is easily oxidized in atmosphere. These shortages have been overcome by ad- ding deoxidizers of Si and H_3BO_3. Laser parameters, stress and coefficient of friction have been ex- amined, and the larger smooth surface of Cu/cast iron for friction by laser cladding has been made for the application of the guide shoes of machine.

Key words: laser cladding, copper alloy, porosity

Xichen YANG Milin ZHONG Tianxi ZHENG Naikun ZHANG Laser Processing Lab.,Tianjin Institute of Textile Science and Technology,Tianjin,300160,China. Novel Reduced-friction Materials by Laser Cladding of Copper Alloy on Cast Iron[J]. J Mater Sci Technol, 1993, 9(4): 248-252.

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Novel Reduced-friction Materials by Laser Cladding of Copper Alloy on Cast Iron

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