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Proceedings Paper

Laser generated TiC reinforced with Fe-Al matrix composite layer on Al-Si alloy
Author(s): A. Viswanathan; D. Sastikumar; Harish Kumar; A. K. Nath
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Paper 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.

Paper Details

Date Published: 17 September 2007
PDF: 10 pages
Proc. SPIE 6666, Optical Materials and Structures Technologies III, 66660R (17 September 2007); doi: 10.1117/12.734197
Show Author Affiliations
A. Viswanathan, National Institute of Technology (India)
D. Sastikumar, National Institute of Technology (India)
Harish Kumar, Raja Ramanna Ctr. for Advanced Technology (India)
A. K. Nath, Indian Institute of Technology, Kharagpur (India)

Published in SPIE Proceedings Vol. 6666:
Optical Materials and Structures Technologies III
William A. Goodman; Joseph L. Robichaud, Editor(s)

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