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Elasticity Shear Modulus Modification By Impulsive Ion Implantation

Published online by Cambridge University Press:  21 February 2011

Jorge N. Feugeas,
O.A. Lambri,
G. Grigioni,
G. Sanchez and
F. Povolo
Jorge N. Feugeas
Affiliation:
Instituto de FÍsica Rosario (CONICET-UNR), Bv. 27 de Febrero 210 Bis., 2000 Rosario, Argentina.
O.A. Lambri
Affiliation:
Instituto de FÍsica Rosario (CONICET-UNR), Bv. 27 de Febrero 210 Bis., 2000 Rosario, Argentina.
G. Grigioni
Affiliation:
Instituto de FÍsica Rosario (CONICET-UNR), Bv. 27 de Febrero 210 Bis., 2000 Rosario, Argentina.
G. Sanchez
Affiliation:
Instituto de FÍsica Rosario (CONICET-UNR), Bv. 27 de Febrero 210 Bis., 2000 Rosario, Argentina.
F. Povolo
Affiliation:
Comisión Nacional de EnergÍa Atómica, Av. del Libertador 8250, Buenos Aires, Argentina.
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Abstract

Samples of pure copper were argon ion irradiated using a Plasma Gun operated in the detonation mode. The irradiated copper samples were studied by means of the Mechanical Dynamical Spectroscopy technique.The results show an anomalous behavior in the Elasticity Shear Modulus, consisting in an abrupt jump in its value at ∼840K, repeated in the running up as well as in the running down part of the temperature cycling. A Damping Peak at that temperature was also observed.

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