Method for prestressing turbine disks
US4155780A · kind A · utility
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1Claims
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Key dates
| Filing date | Dec 30, 1977 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Dec 30, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D1/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for adding a residual compressive stress to the rim of a turbine disk by heating the disk to a uniform high temperature, then insulating the rim from the remainder of the disk and cooling to a temperature wherein the rim yields in tension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.