Surface modification by chemical-slurry laser coating

Philippus Crouse, Tamer Ezz, Philip Grouse, Lin Li, Zhu Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Of the many methods of laser treatment for improving materials surface properties that have been reported, very few have addressed laser processing assisting chemical reaction. In this work laser deposition of different composites is reported, using chromium oxide, silicon carbide and titanium nitride mixed in silicon alkoxide or titanium alkoxide sol-gel mixtures, on mild steel substrates. A diode laser at different powers is applied to specimens submerged in slurries of different chemical composition. The effect of various solution compositions and bath depths are examined in order to achieve optimum experimental parameters. Surface morphology and microstructure of the deposited coatings and substrate surface layers are examined using both optical and scanning electron microscopes. Chemical composition is determined by energy dispersive X-ray analysis. The phases were identified by X-ray diffraction. Results of microhardness measurements are also reported.
Original languageEnglish
Title of host publication24th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2005 - Congress Proceedings|Int. Congr. Applic. Lasers Electro-Optics Congr. Proc.
Pages674-679
Number of pages5
Publication statusPublished - 2005
Event24th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2005 - Miami, FL
Duration: 1 Jul 2005 → …

Conference

Conference24th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2005
CityMiami, FL
Period1/07/05 → …

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