Method of joining different metal materials by friction welding
US6691910B2 · kind B2 · utility
6Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2002 |
| Grant date | Feb 17, 2004 |
| Priority date | — |
| Expiry date | Sep 17, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rod material made of Ti alloy has a larger diameter portion at the end, which is joined with the end of material made of Ti—Al intermetallic compound, by friction welding, to form a poppet valve for an internal combustion engine. Instead of providing such larger diameter portion, the end of the material made of Ti—Al intermetallic compound may be heated to facilitate joining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.