Method for the production of aluminum nitride-based sintered products
US5167944A · kind A · utility
5Cited by
2References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 17, 1991 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Oct 17, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B35/581
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aluminum nitride-based sintered product can be produced at a relatively low heating temperature by mixing at least 20% by weight of ultrafine aluminum powder having an average size of not exceeding 0.5 .mu.m with other powdery raw material, compression molding the resultant powdery mixture, and heating the molded article under a nitrogen atmosphere at a heating temperature ranging from 600.degree. to 800.degree. C. to nitride the ultrafine aluminum powder, whereupon the heat of nitridation is utilized to sinter the molded article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.