WO2006039304B1 - Modified aluminun braze sheets - Google Patents
Modified aluminun braze sheetsInfo
- Publication number
- WO2006039304B1 WO2006039304B1 PCT/US2005/034707 US2005034707W WO2006039304B1 WO 2006039304 B1 WO2006039304 B1 WO 2006039304B1 US 2005034707 W US2005034707 W US 2005034707W WO 2006039304 B1 WO2006039304 B1 WO 2006039304B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- core layer
- layer further
- core
- aluminum
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/016—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention provides an aluminum alloy bilaver material, particularly suitable for heat exchanger tube applications, as well as alloy compositions.
Claims
AMENDED CLAIMS PCT/US2005/034707
[Received by the International Bureau on 03 April 2006 (03.04.2006): original claims 1-29 replaced by amended claims 1-29]
1. A bilayer heat exchanger material comprising a braze layer and a core layer consisting essentially of an aluminum 3xxx series alloy including Mg in an amount from about 0.19 to about 0.339 weight % sufficient to increase core erosion/corrosion resistance, at least one dispersoid forming element selected from the group consisting of Mn, Cr, Zr and V, optionally Si, optionally Fe, optionally Cu, and optionally at least one selected from the group consisting of Ti, Zn, and Ni.
2. A material of claim 1 wherein said material has a yield strength of at least about 76 MPa.
3. A material of claim 1 wherein said material has a tensile strength of at least about 177 MPa.
4. A material of claim 1 that has been subjected to Controlled Atmosphere Brazing.
5. A material of claim 4 wherein said dispersoid forming element is selected from the group consisting of Mn, Cr, Zr, and combinations thereof.
6. A material of claim 5 wherein, said dispersoid forming element comprises between about 0.11 and 0.14 weight % Cr.
7. A material of claim 1 wherein said core layer comprises between about 1.0 and about 1.7 weight % Mn.
8. A material of claim 7 wherein said core layer further comprises about 0.12 weight % Cr.
9. A material of claim 1 wherein said core layer further comprises about 0.16 weight % V.
10. A material of claim 9 wherein said core layer further comprises about 0.1 weight % Si, about 0.26 weight % Fe, about 0.4S weight % Cu, about 1 ,5 weight % Mn, and about 0.11 weight % Cr,
11. A material of claim 1 wherein Mg is present in said core in an amount of from 0.19 to 0.23%.
12. A material of claim 1 wherein said core layer further comprises between about 0.40 and about 0.70 weight % Cu.
W SMl 140536 Vl 2901745-000012 03/30/06
13. A material of claim 1 wherein said core layer further comprises between about 0.03 and about 0.11 weight % Si.
14. A material of claim 1 wherein said core layer further comprises a metal selected from the group consisting of about 0.15 weight % Ti5 about 0.01 weight % Zn, about 0.01 weight % Ni, and combinations thereof.
15. A material of claim 1 wherein said braze layer is selected from the group consisting of AA 4343 and AA 4045 aluminum alloy.
16. A heat exchanger tube prepared from a material of claim 1.
17. A tube stock prepared from a material of claim 1. I S. A radiator lube prepared from a material of claim 1.
19. A condenser tube prepared from a material of claim 1.
20. An evaporator tube prepared from a material of claim 1.
21. A method of reducing erosion/corrosion associated with fluid velocity in the interior of a heat exchange tube comprising forming said tube from a material of claim 1.
22. A heat exchanger material of claim 1 wherein said core layer further comprises in weight percent based on the weight of the alloy:
Si 0.1 max,
Fe 0.2 max,
Cu 0,4 - 0.7,
Mn 1.4 - 1.7,
Cr 0.05 - 0.2,
Ti 0,2 max, and the balance aluminum and inevitable elements or impurities,
23. A bilayer heat exchanger material comprising a braze layer and a core layer comprising an aluminum 3xxx series alloy having about 0,57 weight % Mg sufficient to increase core erosion/corrosion resistance.
W SMl 140536 vl 290I745-0000I2 03/30/06
4. Aa aluminum alloy suitable for use as a wrought product consisting essentially of up to about 0.11 weight % Si3 up to about 0,27 weight % Fe, between about 0.4 weight % and about 0.7 weight % Cu, between about 1.45 weight % and about 1.66 weight % Mn, between about 0.25 weight % and about 0.72 weight % Mg, up to about 0,14 weight % Cr3 up to about 0.15 weight % Ti, substantially 0 weight % Zr, up to about 0.16 weight % V, less than about 0.01 weight % Zn and Ni, and the balance aluminum and normal and/or inevitable elements and irnpurities.
25. An aluminum alloy according to claim 24 wherein said Cr is between about 0.11 weight % and 0.14 weight %,
26. Au aluminum alloy according to claim 24 wherein said V is about 0.158 weighi%.
27. A wrought aluminum alloy product consisting essentially of wo layers wherein a first layer comprises die alloy of claim 24 and a second layer comprises a brazing layer.
28. A product according to claim 27 wherein said product has a yield strength of at least about 76 Mpa.
29. A product according to claim 27 wherein said product has a, tensile strength of at least about 177.
VV SMl 140536 vl
2901745-0000 I2 03/30/06
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/694,589 US20080056931A1 (en) | 2004-10-01 | 2007-03-30 | Aluminum Alloy And Brazing Sheet Manufactured Therefrom |
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61449004P | 2004-10-01 | 2004-10-01 | |
| US61448904P | 2004-10-01 | 2004-10-01 | |
| US61448304P | 2004-10-01 | 2004-10-01 | |
| US60/614,489 | 2004-10-01 | ||
| US60/614,483 | 2004-10-01 | ||
| US60/614,490 | 2004-10-01 | ||
| US61716104P | 2004-10-12 | 2004-10-12 | |
| US60/617,161 | 2004-10-12 | ||
| US64698505P | 2005-01-27 | 2005-01-27 | |
| US60/646,985 | 2005-01-27 | ||
| USUS05/009841 | 2005-03-23 | ||
| PCT/US2005/009841 WO2006041518A1 (en) | 2004-10-01 | 2005-03-23 | Brazing sheet suitable for use in heat exchangers and the like |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US11/694,589 Continuation-In-Part US20080056931A1 (en) | 2004-10-01 | 2007-03-30 | Aluminum Alloy And Brazing Sheet Manufactured Therefrom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2006039304A1 WO2006039304A1 (en) | 2006-04-13 |
| WO2006039304B1 true WO2006039304B1 (en) | 2006-11-02 |
Family
ID=36142879
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2005/009841 WO2006041518A1 (en) | 2004-10-01 | 2005-03-23 | Brazing sheet suitable for use in heat exchangers and the like |
| PCT/US2005/034707 WO2006039304A1 (en) | 2004-10-01 | 2005-09-28 | Modified aluminun braze sheets |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2005/009841 WO2006041518A1 (en) | 2004-10-01 | 2005-03-23 | Brazing sheet suitable for use in heat exchangers and the like |
Country Status (1)
| Country | Link |
|---|---|
| WO (2) | WO2006041518A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2039790A1 (en) | 2007-09-18 | 2009-03-25 | Hydro Aluminium Deutschland GmbH | Anti-corrosion layer |
| US9545777B2 (en) | 2013-03-13 | 2017-01-17 | Novelis Inc. | Corrosion-resistant brazing sheet package |
| ES2795293T3 (en) | 2013-03-13 | 2020-11-23 | Novelis Inc | Brazing Sheet Core Alloy For Heat Exchanger |
| CN105397430A (en) * | 2015-12-24 | 2016-03-16 | 常熟市欧迪管业有限公司 | Titanium tube for tube type heat exchanger |
| CN105648280A (en) * | 2016-01-22 | 2016-06-08 | 济南大学 | As-cast alloy material used for aluminum veneer and manufacturing method for as-cast alloy material |
| MX2018004511A (en) * | 2016-05-27 | 2018-08-01 | Novelis Inc | High strength and corrosion resistant alloy for use in hvac&r systems. |
| DE102016008490A1 (en) | 2016-07-14 | 2018-01-18 | Modine Manufacturing Company | Low-flux CAB brazing in heat exchangers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60248859A (en) * | 1984-05-25 | 1985-12-09 | Sumitomo Light Metal Ind Ltd | Fin material of plate fin type heat exchanger for ultra-high pressure |
| US5976278A (en) * | 1997-10-03 | 1999-11-02 | Reynolds Metals Company | Corrosion resistant, drawable and bendable aluminum alloy, process of making aluminum alloy article and article |
| US6800244B2 (en) * | 1999-11-17 | 2004-10-05 | Corus L.P. | Aluminum brazing alloy |
| US6756133B2 (en) * | 2001-03-02 | 2004-06-29 | Pechiney Rolled Products Llc | High temperature aluminum alloy brazing sheet and methods of manufacturing and uses therefor |
| FR2862894B1 (en) * | 2003-11-28 | 2007-02-16 | Pechiney Rhenalu | ALLUMINIUM ALLOY BAND FOR BRAZING |
-
2005
- 2005-03-23 WO PCT/US2005/009841 patent/WO2006041518A1/en active Application Filing
- 2005-09-28 WO PCT/US2005/034707 patent/WO2006039304A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006041518A1 (en) | 2006-04-20 |
| WO2006039304A1 (en) | 2006-04-13 |
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