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Abstract
Experiments have been conducted on a model Cu–Cr alloy to investigate the role of fine-scale embedded phases in co-deformation. The results of this work show that, when sufficiently fine, plasticity in embedded phases is accompanied by very large internal stresses. This has been attributed to the difficulty of maintaining compatibility between the phases. A simple model is proposed that is able to capture the essential features of the strengthening in this material under uniaxial tension at low temperatures.
Acknowledgements
The authors (CWS, JDE and KTC) note with regret the passing of George C. Weatherly on April 29, 2003. George contributed directly and significantly to the work described here and helped prepare the initial draft of this manuscript. The authors would like to acknowledge fruitful discussions with Y. Brechet. JDE and CWS would like to acknowledge NSERC for support of this work.
Notes
Current address: Atomic Energy of Canada Ltd., Chalk River Laboratories, Stn. 63, Chalk River, Canada.
