期刊
INTERMETALLICS
卷 19, 期 6, 页码 782-786出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2010.11.018
关键词
Titanium aluminides, based on TiAl; Fatigue resistance and crack growth
资金
- European Commission [NMP3-CT-2004-500635]
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 degrees 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. (C) 2010 Elsevier Ltd. All rights reserved.
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