A neutron and X-ray diffraction study of Ca–Mg–Cu metallic glasses
作者： Emma R. Barney , Alex C. Hannon , Oleg N. Senkov , James M. Scott , Daniel B. Miracle
DOI: 10.1016/J.INTERMET.2011.02.001
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摘要: The structures of Ca60Mg15Cu25, Ca60Mg20Cu20 and Ca60Mg25Cu15 metallic glasses have been investigated by neutron and X-ray diffraction. The correlation functions show a peak manifold in the region 2.2–4.5 Å, arising from the various atom pairs for these glasses. The results show clearly that there are contacts between the solute atoms (Cu and Mg) which agree with a simple estimate of the maximum solute atom fraction beyond which solute–solute contact becomes topologically necessary. The Cu–Mg and Cu–Ca distances …
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