التفاصيل البيبلوغرافية
| العنوان: |
β-relaxation related bright bands in thin film metallic glasses: Localized percolation of flow units captured via transmission electron microscope. |
| المؤلفون: |
Chen, Z. Q., Huang, P., Xu, K. W., Wang, F., Lu, T. J. |
| المصدر: |
Applied Physics Letters; 12/26/2016, Vol. 109 Issue 26, p261903-1-261903-5, 5p, 2 Diagrams, 2 Graphs |
| مصطلحات موضوعية: |
CHEMICAL relaxation, METALLIC glasses, THIN films, PERCOLATION, TRANSMISSION electron microscopes, MICROSTRUCTURE |
| مستخلص: |
We report that β-relaxation of amorphous NiW alloy film was effectively enhanced by adding two thin crystalline layers into the amorphous layer. Correspondingly, more bright bands, i.e., nano shear bands, were captured in the amorphous layer, which experienced more pronounced β-relaxations. Based on the potential energy landscape theory, the bright band was proposed to be the localized percolation of flow units corresponding to β-relaxation. Our findings may help connecting experimentally β-relaxation with flow units and shed light on the microstructure origin of β-relaxation. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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