Patent · US Expired

Metal encapsulated solid lubricant coating system

US5302450A · kind A · utility

23Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1993
Grant dateApr 12, 1994
Priority date
Expiry dateJul 6, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2991
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A thermally sprayable powder having grains comprising: a core of solid lubricant particles comprised of at least graphite and MoS.sub.2 (others may include Bn, NaF, LiF, CaF.sub.2, and WS.sub.2); and a thin, soft metal shell (Ni, Co, Fe, Zn, Sn, Mg, or Cu) encapsulating such core. Some core particles may also be hard, wear-resistant particles from the group consisting of SiC, NiCrAl, FeMn, FeCrAl, FeWNiVCr, NiCrMoVW, FeCrMoWV, CoFeNiCrMoWV, NiCrMoV, and CoMoCrVW.

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