Aluminum alloy brazing sheet
US7771839B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Dec 6, 2006 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Jun 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12764
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aluminum alloy brazing sheet which has a clad of a sacrificial anode material/a core alloy/an intermediate material/a filler alloy, wherein number density ratios N1/N2 and N1/N3 each are 1.5 or more, in which a number density ((the number of grains)/μm3) of an intermetallic compound having a sphere-equivalent grain diameter of 0.1 μm or less present in the core alloy, the intermediate material, and the sacrificial anode material, is represented by N1, N2, and N3, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.