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Particles Spreading Phenomena in the Case of Glass Thermal Spraying

Materia

materiales

Título

Particles Spreading Phenomena in the Case of Glass Thermal Spraying

Descripción

The spreading phenomena of particles during thermal spraying are quite difficult to observe given the kinetics of the process. In this work, the splat formation of glass and alumina is theoretically compared, showing that glass transition and low-thermal conductivity yield a higher ratio between cooling and flattening times, which strongly modifies their spreading behavior. Wipe tests show that splash—splat transition temperature can be modified by the glass composition and its subsequent hydrodynamic properties. The detection of peculiar remaining objects, such as fibers and wavelets shows the possibility of ‘‘freezing’’ some phenomena that are totally unobservable with crystalline oxides, except with highvelocity observations.

Identificador

cooling, fragmentation, glass, splat, substrate temperature, wavelets

Fuente

Journal of Thermal Spray Technology, Volume 17(4) December 2008, 564-573

Tipo

articulo científico en revista SCI

Autor

Thierry Poirier, Marie Pierre Planche, Olivier Landemarre, Christian Coddet

Editor

Springer

Fecha

2015

Formato

pdf

Idioma

inglés

Productor

Thierry Poirier, Marie Pierre Planche, Olivier Landemarre, Christian Coddet

Archivos

Citación

Thierry Poirier, Marie Pierre Planche, Olivier Landemarre, Christian Coddet, “Particles Spreading Phenomena in the Case of Glass Thermal Spraying,” esopo.usb.ve, consulta 26 de abril de 2017, http://esopo.usb.ve/items/show/63.