Patent · US Active

Superfinishing of high density carbides

US7641744B2 · kind B2 · utility

9Cited by
16References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 2006
Grant dateJan 5, 2010
Priority date
Expiry dateMar 13, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23F3/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method for superfinishing a high density carbide steel component using chemically accelerated finishing is provided. The high density carbide steel component is vibrated in a vessel containing a plurality of media, with active chemistry being added to the vessel at a low flow rate. An active chemistry composition is also provided, consisting of one or more conversion coating agents having preferably a phosphate radical, and one or more chelating agents preferably including citric acid.

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