Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.intermet.2004.02.038
Title: Glass transition and crystallization of Mg-Ni-Nd metallic glasses studied by temperature-modulated DSC
Authors: Lu, Z.P.
Liu, C.T.
Li, Y. 
Keywords: B. Phase identification
B. Precipitates
B. Thermal properties
B. Thermal stability
F. Calorimetry
Issue Date: Jul-2004
Citation: Lu, Z.P., Liu, C.T., Li, Y. (2004-07). Glass transition and crystallization of Mg-Ni-Nd metallic glasses studied by temperature-modulated DSC. Intermetallics 12 (7-9 SPEC. ISS.) : 869-874. ScholarBank@NUS Repository. https://doi.org/10.1016/j.intermet.2004.02.038
Abstract: Glass transition and crystallization behavior of several Mg-Ni-Nd metallic glasses has been systematically studied by temperature-modulated differential scanning calorimetry (TMDSC). The glass transition transformation of alloys Mg75Ni10Nd15 and Mg77Ni 18Ni5, which cannot be detected in conventional differential scanning calorimetry (DSC) heating scans, was observed through TMDSC measurements. It was concluded that the signal of the glass transition on the DSC scans overlapped with the relatively large heat release from the primary crystallization of either intermetallic Mg3Nd phase in glassy Mg75Ni10Nd15 alloy or Mg2Ni phase in amorphous alloy Mg77Ni18Ni5. Increasing the content of Ni in alloy Mg75Ni10Nd 15 can suppress the precipitation processes of Mg3Nd, and results in the appearance of glass transition transformation on DSC heating curves. This confirmed and verified our TMDSC measurements. Clear observation of glass transition and understanding of crystallization micro-mechanism in such alloys can offer us new alloying and processing strategies for the preparation of bulk glassy alloys and development of new nanocrystalline/amorphous composite materials. © 2004 Elsevier Ltd. All rights reserved.
Source Title: Intermetallics
URI: http://scholarbank.nus.edu.sg/handle/10635/107278
ISSN: 09669795
DOI: 10.1016/j.intermet.2004.02.038
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