17 September 2007 Laser generated TiC reinforced with Fe-Al matrix composite layer on Al-Si alloy
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Abstract
This paper deals with the study of Al-Si alloy laser melted with variable constituents of TiC and Fe coatings to generate TiC reinforced with Fe-Al matrix composite layer on it. This experimentation deals with the investigation of the quality of the composite layer generated by varying the process parameters and the coating composition. A superior composite layer is established when the variable processing parameters were of 2.5kW laser power and 1.5 m/min. scan speed for the coating composition of 25Fe-75TiC wt.%. This layer which consists of TiC reinforcement with Al-Fe matrix shows an average microhardness of about 750 HV and also exhibits pore and crack free surface. Bonding strength of the composite layer is also examined by the hardness test.
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A. Viswanathan, A. Viswanathan, D. Sastikumar, D. Sastikumar, Harish Kumar, Harish Kumar, A. K. Nath, A. K. Nath, } "Laser generated TiC reinforced with Fe-Al matrix composite layer on Al-Si alloy", Proc. SPIE 6666, Optical Materials and Structures Technologies III, 66660R (17 September 2007); doi: 10.1117/12.734197; https://doi.org/10.1117/12.734197
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