초록 ▼

The present application provides a component for use in streams of hot gas, which comprises a first region of fiber-ceramic material, a second region of fiber-ceramic material and a middle layer of fiber-ceramic material which is arranged between the first region and the second region, wherein the f

The present application provides a component for use in streams of hot gas, which comprises a first region of fiber-ceramic material, a second region of fiber-ceramic material and a middle layer of fiber-ceramic material which is arranged between the first region and the second region, wherein the fiber-ceramic material of the middle layer has a lower ceramic content than the fiber-ceramic material of the first region and the second region, and wherein at least one acute-angled in-flow edge and/or away-flow edge of the component is formed on the middle layer.

대표청구항 ▼

1. A component for use in streams of hot gas, comprising a first region of fiber-ceramic material;a second region of fiber-ceramic material; anda middle layer of fiber-ceramic material which is arranged between the first region and the second region;wherein the fiber-ceramic material of the middle l

1. A component for use in streams of hot gas, comprising a first region of fiber-ceramic material;a second region of fiber-ceramic material; anda middle layer of fiber-ceramic material which is arranged between the first region and the second region;wherein the fiber-ceramic material of the middle layer has a lower ceramic content than the fiber-ceramic material of the first region and the second region; andwherein at least one of (i) at least one acute-angled in-flow edge and (ii) at least one acute-angled away-flow edge of the component is formed on the middle layer. 2. A component in accordance with claim 1, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer over at least a part of its finite longitudinal extent. 3. A component in accordance with claim 2, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer over its entire longitudinal extent. 4. A component in accordance with claim 1, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge has a finite transverse extent transverse to its longitudinal extent. 5. A component in accordance with claim 4, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer over at least a part of its transverse extent. 6. A component in accordance with claim 5, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer over its entire transverse extent. 7. A component in accordance with claim 6, wherein at least one of (i) the at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer over its entire transverse extent and also a near-edge section of a flow guidance surface of the component bordering on at least one of the (i) at least one in-flow edge and (ii) at least one away-flow edge is formed on the middle layer. 8. A component in accordance with claim 1, wherein the running direction of the middle layer is parallel to the longitudinal extent of at least one of the (i) at least one in-flow edge and (ii) at least one away-flow edge. 9. A component in accordance with claim 1, wherein a bisector of an edge angle of at least one of (i) at least one in-flow edge and (ii) at least one away-flow edge lies within the component in the middle layer. 10. A component in accordance with claim 1, wherein a bisector of an edge angle of at least one of (i) at least one in-flow edge and (ii) at least one away-flow edge runs in a middle plane of the component which extends in parallel with the longitudinal extent of at least one of said at least one in-flow edge and away-flow edge. 11. A component in accordance with claim 10, wherein the construction of the component consisting of regions of fiber-ceramic material is mirror-symmetrical with respect to the middle plane. 12. A component in accordance with claim 1, wherein at least one of the first region and the second region are formed as layers of fiber-ceramic material. 13. A component in accordance with claim 1, wherein the component comprises at least one intermediate layer of fiber-ceramic material which is directly bounded on a first and a second side by a respective layer of fiber-ceramic material, wherein the ceramic content of the fiber-ceramic material of the intermediate layer lies between the ceramic content of the layer bordering on the first side and the ceramic content of the layer bordering on the second side. 14. A component in accordance with claim 1, wherein the component has a layered structure consisting of layers of fiber-ceramic material in which, in a direction of superposition of the layers, there are arranged, in an alternating manner, layers in each case of a fiber-ceramic material having a relatively high ceramic content and layers in each case of a fiber-ceramic material having a relatively low ceramic content. 15. A component in accordance with claim 1, wherein the component has a covering layer of fiber-ceramic material, and wherein the fiber-ceramic material of the covering layer has a higher ceramic content than the fiber-ceramic material of the middle layer. 16. A component in accordance with claim 1, wherein the fiber-ceramic material in at least one region is or comprises a carbide ceramic material. 17. A component in accordance with claim 1, wherein the fiber-ceramic material in at least one region contains C fibers or SiC fibers. 18. A component in accordance with claim 17, wherein the fiber-ceramic material in at least one region is or comprises a C/C-SiC material or a SiC/SiC material. 19. A component in accordance with claim 18, wherein the middle layer consists of a C/C-SiC-XB material. 20. A component in accordance with claim 18, wherein at least one of the first region and the second region consists of a C/C-SiC-XD material. 21. A component in accordance with claim 1, wherein the fiber-ceramic material in at least one region is made at least partially of a biomorphic material. 22. A component in accordance with claim 1, wherein the fiber-ceramic material in at least one region contains fibers which are arranged in the form of a felt, a fleece, a lap roll, a scrim, a woven fabric or a braiding. 23. A component in accordance with claim 1, said component being in the form of a jet vane.