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Thermodynamics of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass forming alloy

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Abstract

Recently, multicomponent glass forming alloys have been found which exhibit extraordinary glass forming ability and cooling rates of less than 100 K/s are sufficient to suppress nucleation of crystalline phases and consequently bulk metallic glass (BMG) is formed. The undercooled melts of BMG systems have high thermal stability in the undercooled region. Therefore, it is interesting to study the thermodynamics of such materials. This article investigates the thermodynamic behavior of a BMG system namely Zr52.5Cu17.9Ni14.6Al10Ti5 by estimating the Gibbs free energy difference ΔG, entropy difference ΔS, enthalpy difference ΔH between the undercooled liquid and corresponding equilibrium crystalline solid phase, in the entire temperature range from T m to T K. Glass forming ability (GFA) of this system has been investigated through various GFA parameters indicating the degree of ease of glass formation.

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Authors and Affiliations

  1. Condensed Matter Physics Laboratory, Applied Physics Department, Faculty of Technology & Engineering, The M. S. University of Baroda, Vadodara, 390 001, India

    Ashmi T. Patel & Arun Pratap

  2. Department of Electronics, Mukesh Patel School of Technology Management and Engineering, SVKM’s NMIMS Deemed University, Vile Parle West, Mumbai, 400 056, India

    Heena R. Shevde

Authors
  1. Ashmi T. Patel
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  2. Heena R. Shevde
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  3. Arun Pratap
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Correspondence to Arun Pratap.

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Patel, A.T., Shevde, H.R. & Pratap, A. Thermodynamics of Zr52.5Cu17.9Ni14.6Al10Ti5 bulk metallic glass forming alloy. J Therm Anal Calorim 107, 167–170 (2012). https://doi.org/10.1007/s10973-011-1591-9

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  • DOI: https://doi.org/10.1007/s10973-011-1591-9

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