Metal matrix composite and process for producing the same
US5763109A · kind A · utility
4Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1996 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Feb 27, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12667
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A metal matrix composite comprising 2 to 80 volume % of .alpha.-alumina powder as a reinforcement, said .alpha.-alumina powder comprises polyhedral primary particles substantially having no fracture surface, D50 of .alpha.-alumina powder is 0.1 .mu.m to 50 .mu.m and a ratio of D50 to D10 is not more than 2, wherein D10 and D50 are particle sizes at 10% and 50% cumulation from the smallest particle side of a weight cumulative particle size distribution, respectively, and a process for producing the metal matrix composite which comprises infiltrating a molten metal into the .alpha.-alumina powder under pressure or non-pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.