کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1498546 | 1510912 | 2014 | 4 صفحه PDF | دانلود رایگان |
The influence of irradiation-induced damage on the interfacial shear strength of Cu–Nb interfaces was characterized via compression of nanolaminate pillars performed in situ in a transmission electron microscope. Chemical mixing and interfacial roughening during MeV Kr ion irradiation leads to increased interfacial shear strength by as much as 60%, from 0.6 GPa for the as-deposited material to 0.95 GPa for samples irradiated at liquid nitrogen temperature. The increase in interfacial shear strength was most pronounced at low temperatures (∼−196 °C), but it is still significant at ∼300 °C. This observation was correlated with increased chemical mixing at lower temperatures, as determined from compositional profiles characterized by energy-dispersive spectroscopy.
Journal: Scripta Materialia - Volumes 90–91, November 2014, Pages 29–32