Patent · US Expired

Process for forming a refractory oxide coating

US5418015A · kind A · utility

9Cited by
9References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1994
Grant dateMay 23, 1995
Priority date
Expiry dateMar 28, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2235/765
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A thermal spray powder feed coating composition composed of stabilized zirconia mixed with zircon and a selected oxide, such as yttria, to form a refractory oxide coating ideally suited for hearth rolls for annealing steel. Process for producing the coating and the coated article so produced is also disclosed.

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