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Fatigue Crack Growth in a TiAl Alloy with Lamellar Microstructure
Published online by Cambridge University Press: 15 February 2011
Abstract
The mechanisms of fatigue crack advance are examined for a lamellar α2 + γ alloy. Crack growth rates are highly dependent on the orientation of the loading axis to the lamellae direction. Thus, the material has some of the characteristics of a composite. For crack growth perpendicular to the lamellae, the mechanisms of crack advance are similar to those of other titanium alloys, while crack growth parallel to lamellae has other characteristics.
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- Copyright © Materials Research Society 1992