Process for increasing strength of glass by forming ceramic coat

Details Process for increasing strength of glass by forming ceramic coat Process for increasing strength of glass by forming ceramic coat

1990-07-30

1992-11-10

Morgenstern, Norman

Coating processes

Heat decomposition of applied coating or base material

427228, 4271262, 4271263, 65 608, 65 605, 65901, 428428, B05D 302, C03C 1725

Patent

active

051621363

ABSTRACT:
A method is disclosed for improving the rupture strength of a glass material which comprises coating an unannealed glass material with a tractable preceramic coating material capable of pyrolyzing to form a ceramic coating at a temperature not exceeding the annealing temperature of the glass material and heating the coated glass material to a temperature sufficiently high to permit pyrolysis of the pre-ceramic polymer without exceeding the annealing temperature of the glass for a period of time sufficient to form a ceramic coating on the surface of the glass material.

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Coblenz, W. S., et al., "Formation of Ceramic Composites and Coatings Utilizing Polymer Pyrolysis", Emergent Process Methods for High-Technology Ceramics, Plenum Publishing Corporation, 1984, pp. 271-285.

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