Glass forming ability and crystallisation processes within the Al-Ni-Sm system

M. Gich; T. Gloriant; S. Suriñach; A. L. Greer; M. D. Baró

doi:https://doi.org/10.1016/S0022-3093(01)00650-0

Glass forming ability and crystallisation processes within the Al-Ni-Sm system

M. Gich, T. Gloriant, S. Suriñach, A. L. Greer, M. D. Baró

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

41 Citations (Scopus)

Abstract

Several melt-spun ribbons of different compositions in the Al-rich corner of the Al-Ni-Sm ternary system were analysed by means of X-ray diffraction (XRD) and differential scanning calorimetry (DSC) in order to determine their thermal stability and to understand the nanocrystallisation process. Out of all the compositions analysed, only three were found to be completely amorphous, whereas the others were partially crystallised. The activation energies of the α-Al nanocrystallisation were evaluated using the Kissinger method. Isothermal DSC scans revealed the existence of quenched-in nuclei in the more unstable amorphous alloys. These quenched-in nuclei are probably due to the melt-spinning process and the crystalline structure after devitrification is strongly dependent on them. © 2001 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	214-220
Journal	Journal of Non-Crystalline Solids
Volume	289
DOIs	https://doi.org/10.1016/S0022-3093(01)00650-0
Publication status	Published - 1 Aug 2001

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title = "Glass forming ability and crystallisation processes within the Al-Ni-Sm system",

abstract = "Several melt-spun ribbons of different compositions in the Al-rich corner of the Al-Ni-Sm ternary system were analysed by means of X-ray diffraction (XRD) and differential scanning calorimetry (DSC) in order to determine their thermal stability and to understand the nanocrystallisation process. Out of all the compositions analysed, only three were found to be completely amorphous, whereas the others were partially crystallised. The activation energies of the α-Al nanocrystallisation were evaluated using the Kissinger method. Isothermal DSC scans revealed the existence of quenched-in nuclei in the more unstable amorphous alloys. These quenched-in nuclei are probably due to the melt-spinning process and the crystalline structure after devitrification is strongly dependent on them. {\textcopyright} 2001 Elsevier Science B.V. All rights reserved.",

author = "M. Gich and T. Gloriant and S. Suri{\~n}ach and Greer, {A. L.} and Bar{\'o}, {M. D.}",

year = "2001",

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doi = "https://doi.org/10.1016/S0022-3093(01)00650-0",

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TY - JOUR

T1 - Glass forming ability and crystallisation processes within the Al-Ni-Sm system

AU - Gich, M.

AU - Gloriant, T.

AU - Suriñach, S.

AU - Greer, A. L.

AU - Baró, M. D.

PY - 2001/8/1

Y1 - 2001/8/1

N2 - Several melt-spun ribbons of different compositions in the Al-rich corner of the Al-Ni-Sm ternary system were analysed by means of X-ray diffraction (XRD) and differential scanning calorimetry (DSC) in order to determine their thermal stability and to understand the nanocrystallisation process. Out of all the compositions analysed, only three were found to be completely amorphous, whereas the others were partially crystallised. The activation energies of the α-Al nanocrystallisation were evaluated using the Kissinger method. Isothermal DSC scans revealed the existence of quenched-in nuclei in the more unstable amorphous alloys. These quenched-in nuclei are probably due to the melt-spinning process and the crystalline structure after devitrification is strongly dependent on them. © 2001 Elsevier Science B.V. All rights reserved.

AB - Several melt-spun ribbons of different compositions in the Al-rich corner of the Al-Ni-Sm ternary system were analysed by means of X-ray diffraction (XRD) and differential scanning calorimetry (DSC) in order to determine their thermal stability and to understand the nanocrystallisation process. Out of all the compositions analysed, only three were found to be completely amorphous, whereas the others were partially crystallised. The activation energies of the α-Al nanocrystallisation were evaluated using the Kissinger method. Isothermal DSC scans revealed the existence of quenched-in nuclei in the more unstable amorphous alloys. These quenched-in nuclei are probably due to the melt-spinning process and the crystalline structure after devitrification is strongly dependent on them. © 2001 Elsevier Science B.V. All rights reserved.

U2 - https://doi.org/10.1016/S0022-3093(01)00650-0

DO - https://doi.org/10.1016/S0022-3093(01)00650-0

M3 - Article

VL - 289

SP - 214

EP - 220

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

SN - 0022-3093

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