Three-body joining using friction stir processing techniques
US7845545B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Jun 13, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K20/128
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A friction stir tool is provided to perform friction stir riveting using a partially consumable pin, wherein the pin includes a cutting edge on a bottom surface thereof, wherein the tool is rotated at a first speed to enable cutting by the pin into a first material that is overlapping a second material, wherein after the pin has cut to a sufficient depth, the rotational speed of the tool is increased to thereby enable plasticization of the consumable pin, the first material, and the second material, wherein the tool is then rapidly decelerated until stopped, enabling diffusion bonding between the pin, the first material and the second material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.