Title

Laser Glazing Of Vacuum Plasma Spray Coated Narloy-Z

Authors

Authors

J. Singh; B. N. Bhat; R. Poorman; A. Kar;J. Mazumder

Comments

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Abbreviated Journal Title

Surf. Coat. Technol.

Keywords

laser glazing; vacuum plasma spray forming; Materials Science, Coatings & Films; Physics, Applied

Abstract

A CO2 laser was used to modify the surface layer of vacuum plasma sprayed NARloy-Z (Cu-3 wt.%Ag-0.5 wt.%Zr). The laser glazing dramatically reduced voids and cavities originally present in the alloy matrix. In addition, grain boundary precipitates were eliminated. A highly refined microstructure was obtained with extended solid solubility of solute atoms (Ag and Zr) into the matrix. A theoretical model was developed to predict the melt pool depth that occurred during laser glazing.

Journal Title

Surface & Coatings Technology

Volume

79

Issue/Number

1-3

Publication Date

1-1-1996

Document Type

Article

Language

English

First Page

35

Last Page

49

WOS Identifier

WOS:A1996UB58000005

ISSN

0257-8972

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