Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 673, Issue -, Pages 239-242Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2016.07.082
Keywords
Metallic glasses; Pair distribution function; Nanoindentation; Synchrotron radiation
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Funding
- National Natural Science Foundation of China [51401104]
- Natural Science Foundation of Jiangsu Province [BK20140765]
- Opening Project of Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology [ASMA201417]
- Scientific Foundation of Nanjing Institute of Technology [CKJA201503, YKJ201404]
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The changes in the atomic structure and mechanical properties of Zr-Cu metallic glasses caused by low temperature annealing were studied by X-ray diffraction synchrotron radiation and nanoindentation. Results show that the nanohardness, wear resistance, and uniformity were improved by low-temperature annealing, which indicated that annealing plays a significant contribution. Diffractions patterns showed that the content of high-strength Zr-Cu pairs was increased whereas those of Zr-Zr and Cu-Cu pairs were decreased after low-temperature annealing. Thus, the process improvement was achieved by increasing the proportion of Zr-Cu pairs. (C) 2016 Elsevier B.V. All rights reserved.
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