Method of repairing damages in superalloys
US5040718A · kind A · utility
23Cited by
17References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1988 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Sep 9, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of repairing damages in a superalloy component is disclosed wherein existing brazed joints and protective coatings are not harmed. The method entails the use of a silicon-free metal mixture comprising (i) a low melting alloy having a liquidus below the temperature to be used to deposit the metal mixture, (ii) an alloy melting above about 2100.degree. F., and (iii) optionally nickel. The resultant repair has a solidus temperature of at least 1950.degree. F., preferably at least 2000.degree..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.