Method of shot peening processing and article processed thereby, and peening material and use thereof
US6658907B2 · kind B2 · utility
8Cited by
3References
11Claims
0Family size
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Key dates
| Filing date | Jun 20, 2002 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | Jun 20, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/479
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for shot peening wherein peening shot having a Vickers hardness (Hv) in the range of 900-1100 and a Young's modulus of 200,000 MPa or less, is used, and wherein a treated article is obtained by such a method that has a maximum residual compressive stress of 1600 MPa or more and a surface roughness of 5 microns or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.