Hardened metal product produced by shot peening with shot having high hardness
US6153023A · kind A · utility
5Cited by
4References
2Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 18, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Nov 18, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D9/0068
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for shot peening a hard metal product that has a hardened surface. The method includes projecting shot on the hardened surface of the hard metal product. The ratio of the Vickers hardness of the shot to that of the hardened surface is 0.8-1.6, and the diameter of the shot is 30-250 .mu..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.