Coating processes – Coating by vapor – gas – or smoke
Patent
1994-01-18
1996-09-10
Beck, Shrive
Coating processes
Coating by vapor, gas, or smoke
427249, 4272554, 427553, 427595, 148241, 148278, 148512, 148525, 148565, 21912185, 117 90, 117 92, 117103, 117108, 423446, C23C 1644, C08J 718
Patent
active
055544150
ABSTRACT:
Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the energy to alter its physical structure (e.g., from carbon to diamond) to that of a composite material which is diffused back into the substrate as a composite material. An additional secondary element, which can be the same as or different from the constituent element, may optionally be directed (e.g., sprayed) onto the substrate to augment, enhance and/or modify the formation of the composite material, as well as to supply sufficient or additional material for fabricating one or more coatings on the surface of the substrate. The process can be carried out in an ambient environment (e.g., without a vacuum), and without pre-heating or post-cooling of the substrate.
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Mistry Pravin
Turchan Manuel C.
Beck Shrive
Linden Gerald E.
Meeks Timothy H.
QQC, Inc.
Shara Milad G.
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