Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1600910 | Intermetallics | 2011 | 5 Pages |
Abstract
Laboratory simulated domestic object damage (DOD) was imposed on aerofoil style specimens manufactured from a latest generation gamma titanium aluminide. The form of the impact sites was characterised in detail before assessment under fatigue loading at room temperature and 650 °C. A reduction in fatigue strength due to the presence of DOD was shown to be sensitive to the projectile impact energy but independent of test temperature. Instantaneous fracture from high-speed impacts is reported.
► Simulated domestic object damage (DOD) characterised in TiAl. ► Direct relationship demonstrated between projectile velocity and damage. ► Fatigue strength is sensitive to damage. ► Extreme impacts can introduce catastrophic failure.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
M.R. Bache, C.C. Morgans,