Method of forming weld bead of pure copper on ferroalloy base material
US5230756A · kind A · utility
9Cited by
4References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 3, 1991 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Apr 3, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/50
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In forming a weld bead of pure copper on a ferroalloy base material by laying a powder of copper and melting the powder by a high density energy source such as laser beams, TIG arc or electron beams, the powder of copper is beforehand mixed with a powder of an auxiliary metal having a higher melting point than pure copper. In order to ensure the substantial purity in copper of the weld bead, the powder mixture should not include more than 16 wt % nickel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.