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Kinematic and Topological Models of Martensitic Interfaces

Published online by Cambridge University Press:  01 February 2011

Robert C. Pond ,
Xiao Ma ,
Yaw W. Chai  and
John P. Hirth
Robert C. Pond
Affiliation:
Department of Engineering, University of Liverpool, Brownlow Hill, Liverpool, L69 3BX, U.K.
Xiao Ma
Affiliation:
Department of Engineering, University of Liverpool, Brownlow Hill, Liverpool, L69 3BX, U.K.
Yaw W. Chai
Affiliation:
Department of Engineering, University of Liverpool, Brownlow Hill, Liverpool, L69 3BX, U.K.
John P. Hirth
Affiliation:
114 E. Ramsey Canyon Road, Hereford, AZ 85615, U.S.A.
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Abstract

The Phenomenological Theory of Martensite Crystallography, developed fifty years ago, envisages martensitic interfaces to be invariant planes of the shape transformation. This theory has been very successful, but neither incorporates the notion of atomic relaxations at martensitic interfaces, nor explicitly demonstrates that such interfaces are glissile. A new model, called the Topological Model, is proposed that addresses these issues. Predictions of the habit plane and relative orientation of the crystals according to the two models are compared and contrasted.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 855: Symposium W – Mechanically Active Materials , 2004 , W5.3
Copyright
Copyright © Materials Research Society 2005

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References

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