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Phys Rev Lett. 2011 Dec 2;107(23):235503. Epub 2011 Nov 30.

Tracer measurements of atomic diffusion inside shear bands of a bulk metallic glass.

Author information

1
Institute of Materials Physics, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm Strasse 10, 48149 Münster, Germany. joachim.bokeloh@uni-muenster.de

Erratum in

  • Phys Rev Lett. 2011 Dec 23;107(26):269901.

Abstract

Atomic diffusion in deformed Pd(40)Ni(40)P(20) bulk metallic glass containing a single family of deformation-induced shear bands was measured by the radiotracer technique. The significant, by orders of magnitude, enhancement of the diffusion rate with respect to that in the untransformed matrix suggests that the shear bands represent short-circuit diffusion paths. Correlations between diffusivity, viscosity, and the excess free volume distribution inside of shear bands are discussed.

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