Coating processes – Vacuum utilized prior to or during coating
Patent
1995-06-08
1997-09-30
Bell, James J.
Coating processes
Vacuum utilized prior to or during coating
427336, 427350, 427379, 4273936, 4274301, B05D 300
Patent
active
056723890
ABSTRACT:
A low-density resin impregnated ceramic article advantageously employed as a structural ceramic ablator comprising a matrix of ceramic fibers. The fibers of the ceramic matrix are coated with an organic resin film. The organic resin can be a thermoplastic resin or a cured thermosetting resin. In one embodiment, the resin is uniformly distributed within the ceramic article. In a second embodiment, the resin is distributed so as to provide a density gradient along at least one direction of the ceramic article. The resin impregnated ceramic article is prepared by providing a matrix of ceramic fibers; immersing the matrix of ceramic fibers in a solution of a solvent and an organic resin infiltrant; and removing the solvent to form a resin film on the ceramic fibers.
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Henline William D.
Hsu Ming-Ta S.
Rasky Daniel J.
Riccitiello Salvatore R.
Tran Huy K.
Bell James J.
Lupuloff Harry
Mannix John G.
The United States of America as represented by the Administrator
Warsh Kenneth L.
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