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Texture development in Bi2Te3 during hot forging

Published online by Cambridge University Press:  31 January 2011

E. J. Gonzalez ,
J. E. Blendell ,
J. P. Cline ,
J. J. Ritter ,
P. Maruthamuthu ,
E. H. Nelson  and
S. B. Horn
E. J. Gonzalez
Affiliation:
Ceramics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
J. E. Blendell
Affiliation:
Ceramics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
J. P. Cline
Affiliation:
Ceramics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
J. J. Ritter
Affiliation:
Ceramics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
P. Maruthamuthu
Affiliation:
Department of Energy, University of Madras, Madras 600 025, India
E. H. Nelson
Affiliation:
Sensors and Electron Devices Directorate, Army Research Laboratory, Department of the Army, Fort Belvoir, Virginia 22060
S. B. Horn
Affiliation:
Infrared Technology Branch, Night Vision and Electronic Sensors Directorate, Department of the Army, Fort Belvoir, Virginia 22060
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Abstract

The development of crystallographic texture in hot-forged polycrystalline Bi2Te3 samples was studied. Texture was evaluated with the use of the March–Dollase model in conjunction with a Rietveld analysis of x-ray diffraction data. It was determined that during forging a strong (0001) texture develops along the loading axis. The magnitude of the (0001) texture increases systematically with the amount of height reduction during hot-forging. The correlation between the observed deformation and the March–Dollase texture model suggests that grain rotation is the primary mechanism for texture development in Bi2Te3.

Type
Articles
Information
Journal of Materials Research , Volume 13 , Issue 3 , March 1998 , pp. 766 - 773
Copyright
Copyright © Materials Research Society 1998

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References

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