Cooling Performance of Select Mineral Oil and Polymer Quenchants

    (Received 26 January 2014; accepted 11 April 2014)

    (Received 26 January 2014; accepted 11 April 2014)

    Published Online: 2014

    CODEN: MPCOAD

    Published Online: 2014

    CODEN: MPCOAD

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    Abstract

    In the present investigation, quench severity was determined for industrial oil quenchants and varying concentrations of PAG polymer. Viscosity, thermal conductivity, density, flash point, and fire point were measured for all quenchants. Cooling curve parameters were determined based on cooling curve analysis ISO/DIS 9950 technique. An Inconel 600 probe was used for this purpose. Severity of quenching was determined based on the Grossmann technique. Viscosity and thermal conductivity had a significant effect on quench severity. Heat flux and HTC at the metal/quenchant interface were computed by both lumped capacitance and Inverse modeling techniques. The effect of ultrasonic and Tensi agitation on cooling curve parameters was assessed. Polymer quenchants of lower concentrations showed marginally higher heat transfer rates compared to water particularly during unagitated condition.


    Author Information:

    Tiwary, Vivek
    Department of Metallurgical and Materials Engineering, National Institute of Technology Karnataka Surathkal, Mangalore,

    Prabhu, Narayan K.
    Department of Metallurgical & Materials Engineering, National Institute of Technology Karnataka Surathkal, Mangalore,

    Tiwary, Vivek
    Department of Metallurgical and Materials Engineering, National Institute of Technology Karnataka Surathkal, Mangalore,

    Prabhu, Narayan K.
    Department of Metallurgical & Materials Engineering, National Institute of Technology Karnataka Surathkal, Mangalore,


    Stock #: MPC20140014

    ISSN: 2165-3992

    DOI: 10.1520/MPC20140014

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    Author
    Title Cooling Performance of Select Mineral Oil and Polymer Quenchants
    Symposium , 0000-00-00
    Committee A01