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Calculation of the [111]-Texture Dependence of the Elastic Biaxial Modulus

Published online by Cambridge University Press:  15 February 2011

Martha K. Small  and
William. D. Nix
Martha K. Small
Affiliation:
Laboratoire de Métallurgie Physique, Université de Poitiers (URA CNRS 131), 86022 Poitiers Cedex, France
William. D. Nix
Affiliation:
Department of Materials Science and Engineering, Stanford University, Stanford, California 94305
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Abstract

The elastic biaxial modulus of a polycrystalline material as a function of [111] fiber texture was determined by imposing an equibiaxial strain and calculating the resulting stress assuming a plane-stress condition. The situation of a such a texture in a film under plane-stress is commonly seen in deposited thin films of face centered cubic metals. The calculation was performed by determining the average biaxial modulus of a single crystal as a function of tilt angle off the [111] plcine normal and then using these values in a Gaussian distribution of crystal tilts off the [111] to simulate varying degrees of texture. Results are presented for several fee materials with different elastic anisotropy factors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 343: Symposium H – Polycrystalline Thin Films - Structure, Texture, Properties and Applications , 1994 , 561
Copyright
Copyright © Materials Research Society 1994

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References

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