Laser cladding of protective coatings of limited cracking susceptibility

Rafal Jendrzejewski; Gerard Sliwinski; Marek Krawczuk; Wieslaw M. Ostachowicz

doi:10.1117/12.611284

23 March 2005 Laser cladding of protective coatings of limited cracking susceptibility

Rafal Jendrzejewski, Gerard Sliwinski, Marek Krawczuk, Wieslaw M. Ostachowicz

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611284
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

During direct laser cladding process teh substrate preheating temperature is selected together with interaction parameters of the 1.2 kW cw CO₂ laser source. The Co-based protective coatings are prepared on chromium steel. A decrease of cracking susceptibility with increasing substrate temperature follows from the model calculation of the temperature and stress fields and is confirmed in experiment. For laser intensities around 10⁸ W/m² and preheating above 600°C the crack-free 2-layer coatings are produced.

Citation Download Citation

Rafal Jendrzejewski, Gerard Sliwinski, Marek Krawczuk, and Wieslaw M. Ostachowicz "Laser cladding of protective coatings of limited cracking susceptibility", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611284

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