Ni-based thermal spraying alloy powder and method for manufacturing alloy coating
US11597992B2 · kind B2 · utility
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Key dates
| Filing date | Feb 8, 2018 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Feb 8, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F7/04
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
There are provided a Ni-based thermal spraying alloy powder having excellent corrosion resistance and erosion-corrosion resistance even in an environment in which corrosion acts or corrosion and erosion act simultaneously, and a method for manufacturing an alloy coating. A Ni-based thermal spraying alloy powder comprising Cr: 15 wt % or more and 25 wt % or less, Mo: 0 wt % or more and 5 wt % or less, Si: 0.5 wt % or more and less than 2 wt %, Fe: 5 wt % or less, C: 0.3 wt % or more and 0.7 wt % or less, and B: 4 wt % or more and 7 wt % or less, with the balance being Ni and incidental impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.