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Proceedings Paper

Direct laser cladding of stellite coatings and selection of process parameters
Author(s): Rafal Jendrzejewski; Gerard Sliwinski; Ana Conde; Carmen Navas; Juan J. de Damborenea
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Paper Abstract

The direct laser cladding technique is applied for preparation of Co-based stellite SF6 protective coatings on the chromium steel base of a composition designed for the steam turbine blades. The cw 1.5 kW CO2 laser stand equipped with the multi-stream nozzle characterized by a powder feeding coaxial with the laser beam is used. It is observed that the increase of the base preheating temperature and the average temperature of the coating reduces the cracking susceptibility of the laser clads. This is accompanied by the decrease of the corrosion and wear resistances.

Paper Details

Date Published: 23 March 2005
PDF: 4 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611281
Show Author Affiliations
Rafal Jendrzejewski, Institute of Fluid-Flow Machinery (Poland)
Gerard Sliwinski, Institute of Fluid-Flow Machinery (Poland)
Ana Conde, Ctr. Nacional de Investigaciones Metalurgicas (Spain)
Carmen Navas, Ctr. Nacional de Investigaciones Metalurgicas (Spain)
Juan J. de Damborenea, Ctr. Nacional de Investigaciones Metalurgicas (Spain)


Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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