Investigation on TiCP/Al Composite Coating by TIG Cladding

Wen Bo Tang; Cong Hui Lu; Yan Peng Li

doi:10.4028/www.scientific.net/AMM.490-491.29

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 490-491Investigation on TiCP/Al Composite Coating by TIG...

Investigation on TiC_P/Al Composite Coating by TIG Cladding

Abstract:

TiCp/Al composites coating was in-situ synthesized on the L1060 alloy surface by TIG cladding. The microstructure and the phase of the coating were analyzed by OM, SEM, ADS and XRD, and the properties was been tested by micro-hardnessmeter and wear testing machine. The results show that the composite coating has no porosity, inclusions and other defects. The microstructure of the composite coating mainly consists of TiC particle and aluminum. Microstructural evidence suggests that the formation of TiC occur not only by reaction between Ti dissolved in Al and Al₄C₃, but also by reaction between C dissolved in Al and Al₃Ti. The hardness of the composite coating obtained by TIG cladding is up to 120HV_0.2. The wear resistance of composite coating is 1.6 times more than that of the matrix.

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Periodical:

Applied Mechanics and Materials (Volumes 490-491)

Pages:

29-33

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.490-491.29

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Online since:

January 2014

Authors:

Wen Bo Tang, Cong Hui Lu, Yan Peng Li

Keywords:

Aluminum Matrix Composite (AMC), Coating, TiC, TIG Cladding

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