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Changes in the elasticity modulus and mechanical dynamical spectroscopy of nitrogen and argon implanted copper |
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| Authors: | O. A. Lambri, G. S nchez, J. Feugeas,F. Povolo |
| Affiliation: | Instituto de Física Rosario (CONICET-UNR), Bv. 27 de Febrero 210 bis, 2000, Rosario, Argentina Comisión Nacional de Energía Atómica, Departamento de Materiales, Av. del Libertador 8250, Buenos Aires, Argentina |
| Abstract: | The effect of pulsed ion implantation of nitrogen and argon on copper was studied by means of mechanical dynamical spectroscopy. A new peak of internal friction at about 800 K (grain boundary relaxation), which is not present in unimplanted samples, was found only in nitrogen ion implanted cases. Nevertheless, a strong increase in the shear modulus was found in the same manner for ion implanted samples with both species of ions. |
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