Pulsed Nd-YAG laser deposition of TiN and TiAlN coating

This paper demonstrates the feasibility of generating a thin clad coating of TiN and TiAlN on SS304 base material by using the pulsed Nd-YAG laser. In the experiment TiN based coating was created with and without the addition of Al-powder. In the post processing, a precision grinder was employed to...

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Bibliographic Details
Published in:Physics procedia 2011, Vol.12, p.506-511
Main Authors: Kathuria, Y.P., Uchida, Yoshiyuki
Format: Article
Language:English
Subjects:
Laser cladding
TiAlN and surface grinder
TiN
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Summary:This paper demonstrates the feasibility of generating a thin clad coating of TiN and TiAlN on SS304 base material by using the pulsed Nd-YAG laser. In the experiment TiN based coating was created with and without the addition of Al-powder. In the post processing, a precision grinder was employed to smoothen the top surface. SEM, XRD and EDS analysis were employed to study the surface topography etc. Microhardness mapping was performed at various points across the surface. The results show the average microhardness of the coating deposited with TiN is lower (1035 HV) than that of using Al-mixed powder (1264 HV).
ISSN:1875-3892
1875-3892
DOI:10.1016/j.phpro.2011.03.062