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- W4253554485 abstract "Abstract A yield stress anomaly has been observed for ½[112](111) slip in single crystals of γ-Ti-54.5 at.% Al. Weak-beam electron microscopy studies have been carried out to elucidate the origin of this anomaly. At room temperature, screw and 60° dislocations are dissociated in the glide plane, and 30° dislocations are dissociated by glide on intersecting {111} planes, forming weak locks. At high temperatures, ½[112] dislocation loops are elongated along their edge direction, and these edge dislocations are dissociated by climb and glide into sessile configurations consisting of Frank and Shockley partials on different intersecting {111} planes, with a stair-rod dislocation along the line of intersection. There is some evidence for further dissociation of the Frank partial. These strong locks are responsible for the yield stress anomaly. The driving force for the anomaly is the reduction in dislocation energy; the mechanism involves climb, which becomes easier with increasing temperature." @default.
- W4253554485 created "2022-05-12" @default.
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- W4253554485 date "1999-03-01" @default.
- W4253554485 modified "2023-10-18" @default.
- W4253554485 title "Yield stress anomalies in single crystals of Ti-54.5 at.% Al II. 12[112](111) slip" @default.
- W4253554485 doi "https://doi.org/10.1080/014186199252543" @default.
- W4253554485 hasPublicationYear "1999" @default.
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