Patent · US Expired

Wear-resistant coating for substrate and method for applying

US5272014A · kind A · utility

15Cited by

0References

18Claims

0Family size

Assignee

Dr.-Ing. Toni Leyendecker · DE

Inventors

Toni Leyendecker · Aachen, DE
Stefan Esser · Aachen, DE
Oliver Lemmer · Aachen, DE

Key dates

Filing date	Jul 21, 1989
Grant date	Dec 21, 1993
Priority date	—
Expiry date	Jul 21, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A multi-component, metal-containing, wear-resistant coating which is not homogeneous. The coating has a difference of a metallic element concentration of at least about 2 atom percent between the edges of the coating surface and the coating surface remote from the edge. Non-homogeneous coatings of the invention are surprisingly wear-resistant compared to homogeneous coatings. The invention also relates to a method of applying the coatings of the invention by a PVC-process or a plasma-CVD-process wherein the electrical potential difference between the substrate and the ionized coating material is selected to enhance the inhomogeneity of the coating.

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