CMC component, power generation system and method of forming a CMC component
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-009/00
B32B-019/00
B32B-009/04
B32B-013/04
B32B-003/00
F03B-003/12
C04B-037/00
F01D-005/28
출원번호
US-0252540
(2011-10-04)
등록번호
US-8980435
(2015-03-17)
발명자
/ 주소
de Diego, Peter
출원인 / 주소
General Electric Company
대리인 / 주소
McNees Wallace & Nurick LLC
인용정보
피인용 횟수 :
3인용 특허 :
18
초록▼
A ceramic matrix composite component for a power generation system includes a ceramic foam core and a ceramic matrix composite material surrounding at least a portion of the ceramic foam core. The ceramic foam core remains in place during operation of the component in the power generation system. Ad
A ceramic matrix composite component for a power generation system includes a ceramic foam core and a ceramic matrix composite material surrounding at least a portion of the ceramic foam core. The ceramic foam core remains in place during operation of the component in the power generation system. Additionally, a method of forming the ceramic matrix composite component is provided.
대표청구항▼
1. A ceramic matrix composite component for a power generation system comprising: a ceramic foam core;a ceramic matrix composite material surrounding at least a portion of the ceramic foam core, the ceramic matrix composite material comprising at least one reinforcing fiber and a matrix material; an
1. A ceramic matrix composite component for a power generation system comprising: a ceramic foam core;a ceramic matrix composite material surrounding at least a portion of the ceramic foam core, the ceramic matrix composite material comprising at least one reinforcing fiber and a matrix material; anda silicon boron material melt infiltrated into the ceramic foam core and the ceramic matrix composite material;wherein the ceramic foam core remains in place during operation of the component. 2. The ceramic matrix composite component of claim 1, wherein the ceramic foam core includes a material selected from alumina, mullite, silica, zirconia, zircon, silicon carbon, silicon boron, and combinations thereof. 3. The ceramic matrix composite component of claim 2, wherein the ceramic foam core is selected from an open cell foam or a closed cell foam. 4. The ceramic matrix composite component of claim 1, wherein the at least one reinforcing fiber includes material selected from metallic fibers, ceramic fibers, carbon fibers, and combinations thereof. 5. The ceramic matrix composite component of claim 1, wherein the matrix material selected from SiC, SiN, and combinations thereof. 6. The ceramic matrix composite component of claim 1, wherein an intermediate layer is adjacent to the ceramic foam core and adjacent to the ceramic matrix composite material. 7. The ceramic matrix composite component of claim 1, wherein the ceramic foam core and the ceramic matrix composite material form a unitary ceramic matrix composite component. 8. The ceramic matrix composite component of claim 1, wherein a leading edge, a trailing edge, and a stem portion of the ceramic matrix composite component surround the portion of the ceramic foam core. 9. The ceramic matrix composite component of claim 8, wherein the ceramic foam core surrounded by the leading edge and the trailing edge is exposed through the stem portion of the ceramic matrix composite component. 10. The ceramic matrix composite component of claim 1, wherein the at least one reinforcing fiber comprises a chopped strand. 11. The ceramic matrix composite component of claim 1, wherein the at least one reinforcing fiber is selected from the group consisting of uniaxial oriented material, biaxial oriented material, quadraxial oriented materials, non-crimp fabric (NCF), chopped strands, knitted fabrics, and combinations thereof. 12. The ceramic matrix composite component of claim 1, wherein the ceramic foam core increases a stiffness of the ceramic matrix composite. 13. The ceramic matrix composite component of claim 1, wherein the ceramic foam core increases a stability of the ceramic matrix composite. 14. The ceramic matrix composite component of claim 1, wherein the at least one reinforcing fiber is arranged and disposed to form the ceramic matrix composite component. 15. A power generation system comprising: a turbine having a blade comprising: a ceramic foam core;a ceramic matrix composite material surrounding at least a portion of the ceramic foam core, the ceramic matrix composite material forming a leading edge, a trailing edge, and a stem portion of the blade; anda silicon boron material melt infiltrated into the ceramic foam core and the ceramic matrix composite material;wherein the ceramic foam core remains in place within the leading edge, the trailing edge, and the stem portion, during operation of the component in the power generation system. 16. The power generation system of claim 15, wherein the ceramic foam core includes a material selected from alumina, mullite, silica, zirconia, zircon, silicon carbon, silicon boron and combinations thereof. 17. The power generation system of claim 15, wherein the ceramic foam core is selected from an open cell foam or a closed cell foam. 18. The power generation system of claim 15, wherein an intermediate layer is adjacent to the ceramic foam core and adjacent to the ceramic matrix composite material. 19. The power generation system of claim 15, wherein the ceramic matrix composite material includes reinforcing layer selected from metallic fiber, ceramic fiber, carbon fiber, and combinations thereof. 20. The power generation system of claim 15, wherein the ceramic matrix composite material includes a matrix material selected from SiC, SiN, and combinations thereof.
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