Patent · US Expired

Hard material coating with yttrium and method for its deposition

US6033768A · kind A · utility

42Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1997
Grant dateMar 7, 2000
Priority date
Expiry dateNov 3, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Ternary hard material layers are described to which a small proportion of yttrium is added to increase the resistance to wear at elevated temperatures.

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