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Plasticity and Microstructure of Irradiated Pd

Published online by Cambridge University Press:  15 February 2011

N. Baluc,
Y. Dai and
M. Victoria
N. Baluc
Affiliation:
Swiss Federal Institute of Technology - Lausanne, Centre of Research in Plasma Physics, Fusion Technology Materials, 5232 Villigen-PSI, Switzerland, baluc@psi.ch, victoria@psi.ch
Y. Dai
Affiliation:
Paul Scherrer Institut, SINQ, 5232 Villigen-PSI, Switzerland, dai@psi.ch
M. Victoria
Affiliation:
Swiss Federal Institute of Technology - Lausanne, Centre of Research in Plasma Physics, Fusion Technology Materials, 5232 Villigen-PSI, Switzerland, baluc@psi.ch, victoria@psi.ch
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Abstract

Single crystalline specimens of pure Pd have been irradiated at ambient temperature with 590 MeV protons to doses ranging between 10−4 and 10−1 dpa. Tensile deformation experiments revealed that irradiation induces hardening and embrittlement, while scanning (SEM) and transmission electron microscopy (TEM) observations showed that plastic deformation of specimens irradiated to a dose ≥ 10−2 dpa is strongly localized and yields the creation of slip bands at the macroscopic scale and of defect-free channels at the microscopic level.

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