Invention Application
- Patent Title: PREFORM CMC ARTICLE, CMC ARTICLE, AND METHOD FOR FORMING CMC ARTICLE
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Application No.: US15421882Application Date: 2017-02-01
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Publication No.: US20180216477A1Publication Date: 2018-08-02
- Inventor: Jacob John KITTLESON , James MURRAY , Gregory Scot CORMAN
- Applicant: GENERAL ELECTRIC COMPANY
- Main IPC: F01D5/28
- IPC: F01D5/28 ; B32B5/26

Abstract:
A preform CMC article is disclosed comprising an interior ply structure having at least one interior CMC ply including at least one longitudinal CMC ply disposed along the article length, an exterior shell ply forming an article surface and having at least one exterior CMC ply substantially surrounding the interior ply structure, and at least one wicking portion in which the interior ply structure penetrates the exterior ply shell with an exposed edge of the longitudinal CMC ply disposed at the article surface. A CMC article is disclosed including the interior ply structure and the exterior ply shell, wherein the longitudinal CMC ply includes an exposed edge disposed at the surface of the CMC article. A method for forming the CMC article is disclosed including wicking a melt infiltration agent into the article through the wicking portion into the interior ply structure along the longitudinal CMC ply.
Public/Granted literature
- US10533432B2 Preform CMC article, CMC article, and method for forming CMC article Public/Granted day:2020-01-14
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