Friction stir welding tool made of cemented tungsten carbide with nickel and with a AL2O3 surface coating
US9656345B2 · kind B2 · utility
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4References
12Claims
0Family size
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Key dates
| Filing date | Nov 9, 2012 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Nov 9, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A friction stir welding tool for welding of metallic plates and especially steel plates. The friction stir welding tool is made of cemented carbide comprising WC grains in a binder phase and wherein the welding tool is at least partly coated with a surface coating comprising Al2O3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.