IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0342123
(2006-01-26)
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등록번호 |
US-7465423
(2008-12-16)
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발명자
/ 주소 |
- Raybould,Derek
- Chipko,Paul
- Pohlman,Matthew
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출원인 / 주소 |
- Honeywell International, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
12 |
초록
▼
A braze material and method of brazing titanium metals. The material may consist of Ti, Ni, Cu Zr, PM and M where PM is a precious metal and M may be Fe, V, Cr, Co, Mo, Nb, Mn, Si, Sn, Al, B, Gd, Ge or combinations thereof, with the (Cu+PM)/Ni ratio around 0.9. Optionally, a second brazing may be pe
A braze material and method of brazing titanium metals. The material may consist of Ti, Ni, Cu Zr, PM and M where PM is a precious metal and M may be Fe, V, Cr, Co, Mo, Nb, Mn, Si, Sn, Al, B, Gd, Ge or combinations thereof, with the (Cu+PM)/Ni ratio around 0.9. Optionally, a second brazing may be performed to rebraze any braze joint that did not braze successfully. The second brazing material has a lower braze temperature than the first and may consist of a mixture of Ti, Ni, Cu, Zr PM and M with from 1-20 wt % more Zr, PM, M or combinations thereof than the first braze. The braze material may be placed on a base material, in a vacuum furnace, and heated to form a braze joint between the braze and base material. The heating step may occur from about 800-975�� C. and over 3 to 15 minutes.
대표청구항
▼
We claim: 1. A brazing material for joining titanium metals comprising; a first powder for a first braze on a base material; a second powder for a second braze on the first brazed base material: the first powder comprising 54-76% by weight Ti, 12-24% by weight Ni, 12-22% by weight Cu, and a preciou
We claim: 1. A brazing material for joining titanium metals comprising; a first powder for a first braze on a base material; a second powder for a second braze on the first brazed base material: the first powder comprising 54-76% by weight Ti, 12-24% by weight Ni, 12-22% by weight Cu, and a precious metal (PM) wherein the (Cu+PM)/Ni ratio is between 0.5 and 1.0; the second powder comprising Ti, Ni, Cu and PM; the second powder comprising 1-20 wt % more of PM than said first powder; and wherein the second powder has a brazing temperature lower than a brazing temperature of the first powder. 2. A brazing material as in claim 1, wherein said Ti, Ni, and Cu are in powder form with a particle size less than 60 microns. 3. A brazing material for joining titanium metals as in claim 1: wherein the second powder further comprises Zr; wherein the second powder comprises 0.5-12% by wt. Zr., 42-76 wt % Ti, 12-22% by weight Cu+PM; and wherein the (Cu+PM)/Ni ratio is between 0.5 and 1.0. 4. A braze material as in claim 3, wherein said Ti, Ni, Cu, PM and Zr are in particle form with a particle size of less than 60 microns. 5. A brazing material for joining titanium metals comprising: a first powder for a first braze on a base material; a second powder for a second braze on the first brazed base material: the first powder comprising 30-80 wt % Ti, 10-30 wt % Ni, 10-30 wt % Cu, and 1-20 wt % M, wherein M is selected from the group consisting of Fe, V, Cr, Co, Mo, Nb, Mn, Si, Sn, Al, B, Gd, and Ge and any combinations thereof; the second powder comprising Ti, Ni, Cu and M; the second powder comprising 1-20 wt % more of M than said first powder; and wherein said Ti, Ni, Cu and M are in powder form and have a particle size no greater than 20 microns. 6. A brazing material for joining titanium metals comprising: a first powder for a first braze on a base material; a second powder for a second braze on the first brazed base material: the first powder comprising 30-80 wt % Ti, 10-30 wt % Ni, 10-30 wt % Cu+PM, and 1-20 wt % M, wherein the (Cu+PM)/Ni ratio is between 0.8 and 1.0, and M is selected from the group consisting of Fe, V, Cr, Co, Mo, Nb, Mn, Si, Sn, Al, B, Gd and Ge or any combinations thereof; the second powder comprising Ti, Ni, Cu, Zr and PM; and the second powder comprising 1-20 wt % more of (PM+Zr) than said first powder. 7. A brazing material as in claim 6, wherein said Ti, Ni, Cu, PM and M of the first powder are in powder form and have a particle size less than 60 microns. 8. A brazing material as in claim 6: wherein the second powder comprises 0.5-12 % by wt. (PM+Zr). 9. A braze material as in claim 8 wherein said Ti, Ni, Cu, PM, M, and Zr of the second powder are in powder form and have a particle size less than 60 microns.
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