Flux-cored wire for welding different materials, method for laser welding of different materials and method for MIG welding of different materials
US8907246B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2011 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There are provided a flux-cored wire for welding different materials, a method for laser welding of different materials and a method for MIG welding of different materials which can improve tensile shear strength of a welded joint portion and peeling strength of a welded portion interface in welding aluminum or an aluminum alloy material and a steel material. The flux-cored wire has a cylindrical sheath comprising an aluminum alloy which contains Si in an amount of 1.5 to 2.5% by mass and Zr in an amount of 0.05 to 0.25% by mass, with the remainder being aluminum and inevitable impurities, and a flux filling inside this sheath and containing cesium fluoride in an amount of 20 to 60% by mass, and the packing fraction of the flux being 5 to 20% by mass of the total mass of the wire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.