Method for electron-beam welding of dissimilar metals
US3999031A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Jan 31, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D9/044
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method whereby defect-free welds can be produced in joining metallic members of dissimilar materials by electron-beam welding. The method consists in inserting one of the metallic members in openings formed in a metallic plate of the same material as the other metallic member and welding one metallic member to the metallic plate by providing a weld metal, providing by overlay welding on the weld metal a padding metal of a material substantially similar to that of the other metallic member but lower in oxygen content, effecting machining of the outer surface of the padding metal to form a faying surface, and joining by electron beam welding the faying surface of the padding metal to a faying surface formed on the other metallic member whereby the faying surfaces can be rigidly welded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.