Preparation of 7XXX aluminum alloys for adhesive bonding
US12305289B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 26, 2022 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Jul 28, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2400/166
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A preparation method for adhesive bonding of magnesium-containing aluminum alloy products includes a magnesium-containing aluminum alloy product including a matrix and a surface oxide layer overlying the matrix. The magnesium-containing aluminum alloy product also includes intermetallic particles at least proximal the surface oxide layer. The method also includes ablating at least some of the intermetallic particles via an energy source, and in the absence of melting of the matrix of the magnesium-containing aluminum alloy product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.