Metal coatings for reduced friction in composites
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-001/36
B05D-003/02
C23C-016/00
C25D-005/54
출원번호
UP-0973987
(2007-09-18)
등록번호
US-7846506
(2011-01-31)
발명자
/ 주소
Bhattacharya, Rabi S.
Forster, Nelson H.
Trivedi, Hitesh
Rosado, Lewis
Rai, Amarendra K.
출원인 / 주소
The United States of America as represented by the Secretary of the Air Force
대리인 / 주소
AFMCLO/JAZ
인용정보
피인용 횟수 :
4인용 특허 :
11
초록▼
The present invention provides a method for applying a tribological coating to a carbon composite substrate. The method includes providing the carbon composite substrate, depositing a layer of carbon on the substrate, applying a layer of aluminum on the layer of carbon, annealing the substrate at a
The present invention provides a method for applying a tribological coating to a carbon composite substrate. The method includes providing the carbon composite substrate, depositing a layer of carbon on the substrate, applying a layer of aluminum on the layer of carbon, annealing the substrate at a temperature greater than a melting temperature of aluminum, and applying a layer of silver. A layer of mixed aluminum and silver may be substituted for the layer of silver.
대표청구항▼
What is claimed is: 1. A method for applying a tribological coating to a carbon composite substrate, the method comprising: providing the carbon composite substrate; thereafter, depositing a layer of carbon on the substrate; thereafter, applying a layer of aluminum; thereafter, annealing the substr
What is claimed is: 1. A method for applying a tribological coating to a carbon composite substrate, the method comprising: providing the carbon composite substrate; thereafter, depositing a layer of carbon on the substrate; thereafter, applying a layer of aluminum; thereafter, annealing the substrate at a temperature greater than a melting temperature of aluminum; and thereafter, applying a layer of silver. 2. The method of claim 1 further comprising after the step of applying the layer of silver, applying an additional layer of silver using electro-deposition. 3. The method of claim 2 wherein the layer of carbon is deposited using chemical vapor deposition. 4. The method of claim 2 wherein the layer of aluminum is applied using physical vapor deposition. 5. The method of claim 2 wherein the layer of aluminum is applied using electron beam evaporation, sputter deposition, ion plating, chemical enhanced vapor deposition, or plasma enhanced vapor deposition. 6. The method of claim 2 wherein the layer of silver is applied using physical vapor deposition. 7. The method of claim 2 wherein the layer of silver is applied using electron beam evaporation, sputter deposition, ion plating, chemical enhanced vapor deposition, or plasma enhanced vapor deposition. 8. The method of claim 2 wherein the layer of aluminum has a thickness of approximately 15 microns. 9. The method of claim 2 wherein the layer of silver has a thickness of about 1 to 5 microns. 10. The method of claim 2 where the additional layer of silver has a thickness of about 10 to 15 microns. 11. A method for applying a tribological coating to a carbon composite substrate, the method comprising: providing the carbon composite substrate; thereafter, depositing a layer of carbon on the substrate; thereafter, applying a layer of aluminum; thereafter, annealing the substrate at a temperature greater than a melting temperature of aluminum; and thereafter, applying a layer of mixed aluminum and silver. 12. The method of claim 11 further comprising after the step of applying the layer of mixed aluminum and silver, applying a layer of silver using electro-deposition. 13. The method of claim 12 wherein the layer of carbon is deposited using chemical vapor deposition. 14. The method of claim 12 wherein the layer of aluminum is applied using physical vapor deposition. 15. The method of claim 12 wherein the layer of aluminum is applied using electron beam evaporation, sputter deposition, ion plating, chemical enhanced vapor deposition, or plasma enhanced vapor deposition. 16. The method of claim 12 wherein the layer of mixed aluminum and silver is applied using physical vapor deposition. 17. The method of claim 12 wherein the layer of mixed aluminum and silver is applied using electron beam evaporation, sputter deposition, ion plating, chemical enhanced vapor deposition, or plasma enhanced vapor deposition. 18. A method for applying a tribological coating to a carbon composite substrate, the method comprising: providing the carbon composite substrate; thereafter, depositing a layer of carbon on the substrate using chemical vapor deposition; thereafter, applying a layer of aluminum using physical vapor deposition, the layer of aluminum having a thickness of approximately 15 microns; thereafter, annealing the substrate; thereafter, applying a layer of silver using physical vapor deposition, the layer of silver having a thickness of about 1 to 5 microns; and thereafter, applying an additional layer of silver using electro-deposition, the additional layer of silver having a thickness of about 10 to 15 microns.
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