Method to manufacture titanium aluminide matrix composites
US5104460A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Dec 17, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12806
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for fabricating a composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide and silicon-coated silicon carbide, embedded in an alpha-2 titanium aluminide metal matrix, which comprises the steps of modifying the desired filamentary material with at least one beta stabilizer, providing a beta-stabilized Ti.sub.3 Al foil, fabricating a preform consisting of alternating layers of foil and a plurality of at least one of the beta stabilizer-coated filamentary materials, and applying heat and pressure to consolidate the preform. The composite structure fabricated using the method of this invention is characterized by its lack of a denuded zone and absence of fabrication cracking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.