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Ceramic attachment configuration and method for manufacturing same
US2016251972A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016251972-A1 |
| Application number | US-201415028777-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 10, 2014 |
| Priority date | Oct 21, 2013 |
| Publication date | Sep 1, 2016 |
| Grant date | — |
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- Title
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Abstract
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A component assembly includes a support structure, a ceramic substrate mounted to the support, and a foam-like coating adhered to one of the support structure and the ceramic substrate. The foam-like coating engages the other of the support structure and the ceramic substrate.
First claim
Opening claim text (preview).
What is claimed is: 1 . A component assembly comprising: a support structure; a ceramic substrate mounted to the support; and a foam-like coating adhered to one of the support structure and the ceramic substrate, and the foam-like coating engaging the other of the support structure and the ceramic substrate. 2 . The assembly according to claim 1 , wherein the support structure is metallic. 3 . The assembly according to claim 1 , wherein the foam-like coating is a porous metal. 4 . The assembly according to claim 3 , wherein the porous metal is at least one of copper and aluminum. 5 . The assembly according to claim 1 , wherein the foam-like coating is one of a ceramic matrix composite and a monolithic ceramic. 6 . The assembly according to claim 5 , wherein the foam-like coating is at least one of a carbide and an oxide. 7 . The assembly according to claim 6 , wherein the foam-like coating is zirconia. 8 . The assembly according to claim 1 , wherein the foam-like coating is adhered to the ceramic substrate. 9 . The assembly according to claim 1 , wherein the foam-like coating has filaments intersecting one another to provide voids creating a flexible layer. 10 . The assembly according to claim 9 , wherein the foam-like coating has a thickness of up to 5 mils (127 micrometers). 11 . The assembly according to claim 1 , wherein the support structure is a rotor having a slot, and comprising a blade including a root that provides the ceramic substrate, the root received in the slot. 12 . The assembly according to claim 11 , wherein the foam-like coating is adhered to the root. 13 . The assembly according to claim 11 , wherein the foam-like coating is adhered to the slot. 14 . The assembly according to claim 11 , wherein the foam-like coating is configured to transfer a force from a high point on the support to the ceramic substrate without cracking a surface of the ceramic substrate with which the foam-like coating is in engagement. 15 . The assembly according to claim 14 , wherein the foam-like coating is configured to flex in response to the force. 16 . A method of manufacturing a component assembly, the method comprising the steps of: depositing ceramic onto a rigid ceramic substrate to produce a flexible foam-like coating having a porosity of less than 30%. 17 . The method according to claim 16 , wherein the depositing step includes one of chemical vapor deposition, electron beam physical vapor deposition, flame spraying and plasma spraying. 18 . The method according to claim 16 , wherein the foam-like coating includes filaments intersecting one another to provide voids creating a flexible layer having a thickness of up to 5 mils (127 micrometers). 19 . The method according to claim 16 , comprising a blade including a root that provides the ceramic substrate, and including the step of installing the root into a rotor slot, wherein the foam-like coating is configured to transfer a force from a high point on the rotor slot to the ceramic substrate by flexing without cracking a surface of the root. 20 . The method according to claim 16 , wherein the ceramic substrate is one of a ceramic matrix composite and a monolithic ceramic.
Assignees
Inventors
Classifications
by torch or flame spraying · CPC title
Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process (C23C26/00, C23C28/00 take precedence) · CPC title
Silicon nitride · CPC title
Foam · CPC title
Ceramic matrix composites [CMC] · CPC title
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Frequently asked questions
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- What does patent US2016251972A1 cover?
- A component assembly includes a support structure, a ceramic substrate mounted to the support, and a foam-like coating adhered to one of the support structure and the ceramic substrate. The foam-like coating engages the other of the support structure and the ceramic substrate.
- Who is the assignee on this patent?
- United Technologies Corp
- What technology area does this patent fall under?
- Primary CPC classification F01D5/3007. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Thu Sep 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).