Composite material part including an interphase layer of aluminum-doped boron nitride
US10689298B2 · kind B2 · utility
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Key dates
| Filing date | Nov 22, 2017 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Nov 22, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/614
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composite material part includes fiber reinforcement made of carbon or ceramic yarns and a matrix that is mostly ceramic, the part further including a first interphase layer covering the yarns and present between the yarns and the matrix, the first interphase layer being a layer of boron nitride doped with aluminum and presenting an atom content of aluminum lying in the range 5% to 15%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.