A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The binder comprises binder molecules, the binde
A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The binder comprises binder molecules, the binder molecules having at least one functional group that is capable of forming a hydrogen bond or a coordinate covalent bond with the particles, and at least one functional group that is capable of forming a hydrogen bond with the fibers. A substantial portion of the particles that are adhered to the fibers may be adhered in particulate form by hydrogen bonds or coordinate covalent bonds to the binder, and the binder in turn may be adhered to the fibers by hydrogen bonds. Fibers containing particles bound by this method are easily densified.
대표청구항▼
A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The binder comprises binder molecules, the binde
A binder is applied to particles which are then combined with fibers to bind the particles to the fibers. The particles have functional sites for forming a hydrogen bond or a coordinate covalent bond. The fibers have hydrogen bonding functional sites. The binder comprises binder molecules, the binder molecules having at least one functional group that is capable of forming a hydrogen bond or a coordinate covalent bond with the particles, and at least one functional group that is capable of forming a hydrogen bond with the fibers. A substantial portion of the particles that are adhered to the fibers may be adhered in particulate form by hydrogen bonds or coordinate covalent bonds to the binder, and the binder in turn may be adhered to the fibers by hydrogen bonds. Fibers containing particles bound by this method are easily densified. er skin including a first metal sheet that is at least in partial areas thereof connected to said metallic particles of said interface layer; said cover layer is oriented and arranged with said outer skin facing away from said substrate and with said interface layer adjacent and connected to said substrate; and said interface layer has a volume percentage gradient of a content of said interface layer matrix, with a first volume percentage of said interface layer matrix at a first side of said interface layer adjacent to said outer skin and a second volume percentage of said interface layer matrix at a second side of said interface layer adjacent to said substrate, wherein said first volume percentage is lower than said second volume percentage. 7. The layered composite structure according to claim 6, wherein said content of said interface layer matrix has an average volume percentage averaged throughout said interface layer of about 95%. 8. A layered composite structure comprising a substrate and a cover layer arranged on said substrate, wherein: said substrate comprises a substrate layer of a fiber-reinforced synthetic material including a substrate matrix and reinforcing fibers embedded in said substrate matrix; said cover layer comprises an interface layer including an interface layer matrix and metallic particles selected from the group consisting of metallic fibers and metallic threads, which are embedded in said interface layer matrix; said cover layer further comprises an outer skin including a first metal sheet that is at least in partial areas thereof connected to said metallic particles of said interface layer; said cover layer is oriented and arranged with said outer skin facing away from said substrate and with said interface layer adjacent and connected to said substrate; and said first metal sheet is connected to said metallic particles by at least one of soldered joints and sintered joints at respective contact points between said metallic particles and said first metal sheet. 9. The layered composite structure according to claim 8, wherein said first metal sheet and said metallic particles respectively consist of respective metallic materials that have respective melting temperatures that are within ±10° C. of each other. 10. The layered composite structure according to claim 9, wherein said metallic materials are alloys of at least one of steel and nickel. 11. The layered composite structure according to claim 8, wherein said first metal sheet and said metallic particles respectively consist of the same metallic material. 12. The layered composite structure according to claim 1, wherein said cover layer further includes a second metal sheet arranged spaced apart from said first metal sheet, and an intermediate layer comprising additional metallic particles selected from the group consisting of metallic fibers and metallic threads arranged between said first and second metal sheets, wherein at least some of said additional metallic particles are connected respectively to said first and second metal sheets so that said intermediate layer connects together said first and second metal sheets, and wherein said second metal sheet faces away from said substrate and forms an outer surface of said outer skin. 13. The layered composite structure according to claim 12, wherein said cover layer further includes coolant medium flow conduits arranged between said first and second metal sheets. 14. The layered composite structure according to claim 1, wherein said outer skin includes a metal outer surface that has a surface texture adapted to affect an aerodynamic flow characteristic of said outer surface. 15. The layered composite structure according to claim 1, wherein said outer skin includes a metal outer surface, and said layered composite structure further comprises a protective surface coating that is thermally sprayed or galvanically deposited on said metal outer surface. 16. The layered composite stru cture according to claim 1, wherein said substrate matrix and said interface layer matrix both consist of the same matrix material that has been mutually impregnated into spaces between said reinforcing fibers and spaces between said metallic particles, wherein said substrate matrix and said interface layer matrix together form a continuous integral unitary matrix of said matrix material throughout said substrate and said interface layer, and wherein said integral unitary matrix bonds together said substrate and said cover layer. 17. The layered composite structure according to claim 16, wherein said matrix material comprises a mixed polymer product of synthetic resins. 18. The layered composite structure according to claim 16, wherein said metallic particles and said reinforcing particles are intermeshed with each other along an interface of said interface layer adjoining said substrate layer. 19. The layered composite structure according to claim 1, wherein said metallic particles and said reinforcing particles are intermeshed with each other along an interface of said interface layer adjoining said substrate layer. 20. The layered composite structure according to claim 1, wherein said interface layer comprises a fleece, felt, knit, braid or weave of said metallic particles. 21. The layered composite structure according to claim 1, wherein said cover layer is arranged on plural surfaces of said substrate, and said cover layer encloses said substrate on all sides thereof. 22. The layered composite structure according to claim 1, wherein said substrate layer comprises a plurality of stacked sub-layers of fiber-reinforced synthetic material, and wherein said sub-layers respectively have different compositions to provide different characteristics. 23. The layered composite structure according to claim 1, configured as a blade for a fluid flow machine. 24. The layered composite structure according to claim 1, configured as a piston for a piston machine. 25. The layered composite structure according to claim 1, configured as a hollow pipe, wherein said outer skin of said cover layer forms a radially inwardly facing interior surface of said hollow pipe. 26. The layered composite structure according to claim 1, configured as a component of an aircraft. 27. A method of manufacturing the layered composite structure according to claim 1, comprising the following steps: a) providing a first starting layer comprising said metallic particles; b) bonding together said first starting layer and said first metal sheet by contacting said first starting layer with said first metal sheet and soldering or sintering said metallic particles and said first metal sheet together; c) arranging a second starting layer comprising said reinforcing particles in contact with said first starting layer, after said step b); d) impregnating said first starting layer and said second starting layer with a matrix material, after said step c); and e) curing said matrix material to form thereof said interface layer matrix and said substrate matrix. 28. The method according to claim 27, wherein said contacting in said step b) comprises applying only sufficient contact force to establish contact between said metallic particles and said first metal sheet without compressing said first starting layer. 29. The method according to claim 27, wherein said soldering or sintering of said step b) comprises heating said first metal sheet and said metallic particles to a bonding temperature about 10° C. below a melting temperature of said first metal sheet and said metallic particles, and maintaining said bonding temperature to carry out said soldering or sintering.
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