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    Volume 6, Issue 5

    Special Issue Paper

    Comparative Measurement and Evaluation of the Quenching Intensity of Palm Oil, Canola Oil and a Conventional Petroleum Oil Quenchant Based on Temperature Gradient Measurements

    (Received 6 April 2017; accepted 28 July 2017)

    Published Online: 2017

    CODEN: MPCOAD

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    Abstract

    In contrast with small laboratory probes developed to evaluate the cooling properties of relatively small samples of a quenchant, the new Liscic/Petrofer probe is designed to measure and record the quenching intensity under real industrial conditions. The Liscic/Petrofer probe is a cylindrical Inconel 600 probe with a 50-mm diameter and a 200-mm length and is instrumented with three thermocouples on the same radius of the cross-section at the middle point of its length. The outer thermocouple measures the temperature 1 mm below the surface, the second one 4.5 mm below the surface, and the third one at the center of the probe. The working principle of the probe is the measurement of the dynamic of heat extraction, which is best represented by the change of temperature gradients. Comparative testing was recently performed with the Liscic/Petrofer probe in two different vegetable oils (canola oil and palm oil) and a commercially available conventional petroleum oil quenchant. The work was performed at the Quenching Research Centre (QRC) of the Faculty for Mechanical Engineering, University of Zagreb, Croatia. The results of this work showed distinctive differences in the quenching behavior of these three quenchant media. The results of this comparative study are reported herein.

    Author Information:

    Matijevic, Bozidar
    Department of Mechanical Engineering and Naval Architecture, Department of Materials Science, University of Zagreb, Zagreb, Croatia

    Liscic, Bozidar
    Department of Mechanical Engineering and Naval Architecture, Department of Materials Science, University of Zagreb, Zagreb, Croatia

    Totten, George E.
    G.E. Totten & Associates, LLC, Seattle, WA

    Canale, Lauralice de C. F.
    Departamento de Engenharia de Materials, Universidade de Sao Paulo, Sao Carlos, SP


    Stock #: MPC20170041

    ISSN:2379-1365

    DOI: 10.1520/MPC20170041

    Author
    Title Comparative Measurement and Evaluation of the Quenching Intensity of Palm Oil, Canola Oil and a Conventional Petroleum Oil Quenchant Based on Temperature Gradient Measurements
    Symposium ,
    Committee D02