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Physics of Metals and Metallography
Erschienen in: Physics of Metals and Metallography 7/2019

01.07.2019 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Effect of Chemical Bonding on the Thermal Stability of Cu–Zr-Rich Cu–Zr–Al Bulk Metallic Glasses

verfasst von: Ailong Zhang, Ding Chen, Zhenhua Chen, Yongfu Long, Yan Li, Shenghui Wang, Lei Ma, Jingping Zhang

Erschienen in: Physics of Metals and Metallography | Ausgabe 7/2019

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Abstract

The chemical enthalpies of formation of the liquid alloy, ∆Hc,l, of Cu–Zr-rich Cu–Zr–Al bulk metallic glasses (BMGs) in a broad composition region have been calculated, in order—to investigate the effect of the chemical bonding on the thermal stability of these BMGs, based on the efficient cluster-packing model. It is found that the Al–Zr bonding has more important effect than the Cu–Zr bonding on the thermal stability of Cu–Zr-rich Cu–Zr–Al BMGs with the same Cu/Zr content ratio, and the thermal stability of Cu–Zr-rich Cu–Zr–Al BMGs has close correlation with the chemical stability. The results could be useful for understanding the underlying mechanism of crystallization of metallic glasses.
Vorheriger Artikel Nano-Sized Precipitates in a Cast Cu–Cr–Zr Alloy and Their Evolution during Subsequent Heat Treatment
Nächster Artikel Evolution of Microstructure during Welding Simulation of Boron Modified P91 Steel

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Metadaten
Titel
Effect of Chemical Bonding on the Thermal Stability of Cu–Zr-Rich Cu–Zr–Al Bulk Metallic Glasses
verfasst von
Ailong Zhang
Ding Chen
Zhenhua Chen
Yongfu Long
Yan Li
Shenghui Wang
Lei Ma
Jingping Zhang
Publikationsdatum
01.07.2019
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 7/2019
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X19070020

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