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Deformation Twinning, Slip, Martensite Formation and Crack Inhibition in the B2-Type Zr50Pd35Ru15 Alloy

Published online by Cambridge University Press:  25 February 2011

R.M. Waterstrat ,
L.A. Bendersky  and
R. Kuentzler
R.M. Waterstrat
Affiliation:
American Dental Association Health Foundation, Paffenbarger Research Center, NIST, Gaithersburg Md 20899
L.A. Bendersky
Affiliation:
Institute for Materials Science and Engineering, NIST, Gaithersburg Md 20899
R. Kuentzler
Affiliation:
Institute de Physique et Chemie des Materiaux de Strasbourg, 67084 Strasbourg, France
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Abstract

Enhanced room temperature toughness of the Zr50Pd35Ru15B2 phase alloy was found to be a result of the activation of an additional deformation mode besides the b=[001] dislocation slip mode - {114}-type mechanical twinning. The twinning is a true one, i.e. there is no change in the ordered crystal structure. Another additional mode of plastic deformation, expected for more Pd rich alloys, is the formation of stress-induced martensite. The martensite was found to have a CrBtype structure.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 246: Symposium M – Shape-Memory Materials and Phenomena--Fundamental Aspects and Applications , 1991 , 115
Copyright
Copyright © Materials Research Society 1992

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