Spray powder, thermal spraying process using it, and sprayed coating
US6482534B2 · kind B2 · utility
12Cited by
8References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 13, 2001 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | May 4, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A spray powder which has a particle size of from 6 to 63 &mgr;m and which comprises from 75 to 95 wt % of a ceramic phase made of a WC powder and at least one chromium carbide powder selected from the group consisting of Cr3C2, Cr7C3 and Cr23C6, and from 5 to 25 wt % of a metal phase made of a Ni or Ni-based alloy powder, wherein the mean particle size of primary particles of the WC powder constituting the ceramic phase is from 5 to 20 &mgr;m, and the mean particle size of primary particles of the chromium carbide powder is from 1 to 10 &mgr;m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.