Method for producing a semi-finished product for a composite matertal
US11612934B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 14, 2018 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Oct 6, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2301/052
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a method for producing a semi-finished product comprising a foamable core comprising a foamable mixture that comprises at least one first metal having an aluminum content of at least approximately 80 wt. %, in relation to the quantity of the at least one first metal, and at least one foaming agent, wherein a layer of at least one second metal in the form of a non-foamable solid material and with an aluminum content of at least approximately 80 wt. %, in relation to the quantity of the at least one second metal, is respectively applied to at least one first and second surface of the core. The invention also relates to a corresponding semi-finished product and to the use of such a semi-finished product for foaming a metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.