Patent · US Expired

Nanocrystalline alumina-diamond composites

US5728637A · kind A · utility

4Cited by
14References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1996
Grant dateMar 17, 1998
Priority date
Expiry dateFeb 1, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/117
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Alumina composites of unusually high hardness and toughness are formed by combining alumina and diamond in nanocrystalline form, followed by sintering at high pressure.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.