Back to results
US 2016/0236995 A1Published application
Patterned abradable coating and methods for the manufacture thereof
AssigneeROLLS-ROYCE plc
InventorsBenjamin John Bowin Lai, Kang N. Lee, David J. Thomas
Life of this patent
Estimating the term…
Abstract
A ceramic article includes a flexible backing selected from paper, woven fabric, non-woven fabric, polymeric films, metal foils, and combinations thereof. A green ceramic layer is on a first side of the flexible backing, wherein the green ceramic layer includes a ceramic material and a polymeric binder. A major surface of the green ceramic layer includes a pattern of features.
Claims20
A ceramic article, comprising:
- a flexible backing selected from paper, woven fabric, non-woven fabric, polymeric films, metal foils, and combinations thereof;
- and
- a green ceramic layer on a first side of the flexible backing, wherein the green ceramic layer comprises a ceramic material and a polymeric binder, and wherein a major surface of the green ceramic layer comprises a pattern of features.
A method, comprising:
- forming a slurry comprising a ceramic material, a polymeric binder, and at least one solvent;
- coating the slurry on a flexible backing to form a green ceramic layer with a disperse phase of the ceramic material in a matrix of the polymeric binder;
- and
- machining an array of features into a surface of the green ceramic layer to form a machined green ceramic article.
1 more element
Dependencies are inferred from the claim text.