Laser thermal combination remanufacturing method for damaged metal part
US10391587B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2014 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Aug 8, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/05
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A remanufacturing method for a metal part having a damage. The damage groove is divided into a number of levels, and the groove bottom is treated by absorption layer-free laser shock peening to remove surface impurities and to refine surface-layer crystal grains. Then a cladding layer is formed by laser cladding. The process is repeated until the groove is completely filled by the cladding layer to higher than the surface of the metal part and the cladding layer higher than the surface is cut by a mechanical processing and polished, and the upper surface of the laser cladding layer is subjected to large-area overlapped laser shock peening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.