Patent · US Expired

Protective layer of hard material with homogeneous distribution of elements

US5182238A · kind A · utility

10Cited by
19References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1989
Grant dateJan 26, 1993
Priority date
Expiry dateApr 10, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31815
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A primarily crystalline, titanium-containing protective layer of hard material with homogeneous distribution of elements on the surfaces of a substrate material. The protective layer comprises a stabilized mixed phase having a crystal structure made of a metallic hard material which is at least one material selected from TiN and TiC and a covalent hard material which is at least one material selected from SiC and Si.sub.3 N.sub.4.

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