Methods for repair of single crystal superalloys by laser welding and products thereof
US7250081B2 · kind B2 · utility
4Cited by
23References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2003 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Nov 16, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S117/905
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods for repair of single crystal superalloys by laser welding and products thereof have been disclosed. The laser welding process may be hand held or automated. Laser types include: CO2, Nd:YAG, diode and fiber lasers. Parameters for operating the laser process are disclosed. Filler materials, which may be either wire or powder superalloys are used to weld at least one portion of a single crystal superalloy substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.