Sound velocity of glassy Pdg<sub>0</sub>Si2o after heavy-ion irradiation at low temperatures

Schumacher, G.; Birtcher, R. C.; Renusch, D.; Grimsditch, M.; Rehn, L. E.

doi:10.1080/01418610208235742

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A Irradiation Damages Of Mg Nanopillars1

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2013

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“…This is consistent with earlier observations that the elastic modulus decreases with increasing ion fluence in MG samples. 43 The FIG. 5.…”

Section: A Irradiation Damages Of Mg Nanopillarsmentioning

confidence: 97%

Suppression of shear banding in amorphous ZrCuAl nanopillars by irradiation

Xiao

Huang

Shi

2013

Journal of Applied Physics

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Using molecular dynamics simulations, model Zr50Cu40Al10 metallic glass (MG) nanopillars were subjected to simulated irradiation processes followed by uniaxial compression tests. As the intensity or dosage of irradiation increases, the plastic deformation mode of the MG nanopillars transits from localized shear banding to homogeneous shear flow. The suppression of shear banding in MG nanopillars is due to irradiation-induced structural disordering. Furthermore, a correlation is found between the average potential energy of MG nanopillars and their deformation modes, common to both irradiation processing and thermal processing. Our results imply that the homogeneous shear flow observed in experimental MG nanopillars carved by focused ion beam may be due to irradiation damage instead of size effect.

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“…This is consistent with earlier observations that the elastic modulus decreases with increasing ion fluence in MG samples. 43 The FIG. 5.…”

Section: A Irradiation Damages Of Mg Nanopillarsmentioning

confidence: 97%