Crack repair using friction stir welding on materials including metal matrix composites, ferrous alloys, non-ferrous alloys, and superalloys
US7225968B2 · kind B2 · utility
11Cited by
41References
7Claims
0Family size
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Key dates
| Filing date | Aug 4, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Aug 31, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23P6/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A system and method of using friction stir welding and friction stir processing to perform crack repair or preventative maintenance of various materials and structures, wherein the structures include pipeline, ships, and nuclear reactor containment vessels, wherein the friction stir welding and processing can be performed on various materials including metal matrix composites, ferrous alloys, non-ferrous alloys, and superalloys, and wherein the friction stir welding and processing can be performed remotely and in harsh environments such as underwater or in the presence of radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.