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Some Defect Types in Intermetallics and their Consequences

Published online by Cambridge University Press:  11 February 2011

Robert W. Cahn
Robert W. Cahn*
Affiliation:
Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ, England
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Abstract

This short introductory overview focuses on point defects and their practical implications, on antiphase domains, and also on a feature that is not always perceived as a defect – imperfect long-range order. All these defect types have consequences for mechanical behavior of various kinds; imperfect LRO also affects the superconducting behavior of A15s. Other unfamiliar defects in intermetallics, to be outlined, include ‘rattling atoms’ in certain thermoelectric materials. Geometry and dynamics of dislocations in intermetallics are left to other contributors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 753: Symposium BB – Defect Properties and Related Phenomena in Intermetallic Alloys , 2002 , BB1.1
Copyright
Copyright © Materials Research Society 2003

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