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Creep data for different Al–Fe–V–Si alloys and composites were analysed using the detachment model. Between 673 and 723 K, the materials exhibited a typical threshold-like behaviour but the magnitude of the threshold stress was found to change from one material to another. The threshold stress was ascribed to the particle-dislocation interaction; in particular, the Rösler–Arzt model for athermal detachment...
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