Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0966-9795(02)00143-7
Title: Study of frequency dependence modulus of bulk amorphous alloys around the glass transition by dynamic mechanical analysis
Authors: Lee, M.L.
Li, Y. 
Feng, Y.P. 
Carter, C.W.
Keywords: B. Glasses, metallic
B. Thermal stability
F. Mechanical testing
Issue Date: Nov-2002
Citation: Lee, M.L., Li, Y., Feng, Y.P., Carter, C.W. (2002-11). Study of frequency dependence modulus of bulk amorphous alloys around the glass transition by dynamic mechanical analysis. Intermetallics 10 (11-12) : 1061-1064. ScholarBank@NUS Repository. https://doi.org/10.1016/S0966-9795(02)00143-7
Abstract: A Dynamic Mechanical Analyzer (DMA) was used to study the frequency dependence of storage and loss moduli of amorphous Pd40Ni10Cu30P20 and La55Al25Cu10Ni5Co5 alloys over a broad frequency range around their glass transition temperatures. The amorphous samples were subjected to continuous heating at a constant frequency. Their storage moduli, E′, exhibited a similar sigmoidal change from a high solid state value to a low value of a supercooled liquid over the glass transition region but decaying at a different degree. The loss moduli, E″, were characterized by a relaxation peak. The peak frequencies obtained were then fitted to the Vogel-Fulcher-Tamman (VFT) equation and the scaling law equation. © 2002 Elsevier Science Ltd. All rights reserved.
Source Title: Intermetallics
URI: http://scholarbank.nus.edu.sg/handle/10635/98902
ISSN: 09669795
DOI: 10.1016/S0966-9795(02)00143-7
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