CYCLIC CRACK-GROWTH IN TITANIUM ALUMINIDES

Authors
BOWEN P CHAVE RA JAMES AW
Citation
P. Bowen et al., CYCLIC CRACK-GROWTH IN TITANIUM ALUMINIDES, Materials science & engineering. A, Structural materials: properties, microstructure and processing, 193, 1995, pp. 443-456
Citations number
28
Categorie Soggetti
Material Science
Journal title
Materials science & engineering. A, Structural materials: properties, microstructure and processing → ACNP
ISSN journal
09215093
Volume
193
Year of publication
1995
Pages
443 - 456
Database
ISI
SICI code
0921-5093(1995)193:<443:CCITA>2.0.ZU;2-M
Abstract
Micromechanisms of fatigue crack growth have been studied in specific Ti3Al-based aluminides and TiAl-based aluminides. Effects of test temp erature, environment and microstructure on fatigue crack growth resist ance are considered. For both intermetallic systems brittle mechanisms of crack extension are observed at room temperature, and such mechani sms persist in the TiAl-based aluminides considered to a test temperat ure of 800 degrees C. The implications of such observations for the en gineering application of these materials are addressed briefly.