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    Volume 8, Issue 2 (March 2019)

    Special Issue Paper

    Quenchant Cooling Curves, Rewetting, and Surface Heat Flux Properties of Vegetable Oils

    (Received 5 March 2018; accepted 9 May 2018)

    Published Online: 05 December 2018

    CODEN: MPCACD

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    Abstract

    Vegetable oils are currently used for biodegradable and renewable base stocks for quenchant formulation. However, there are relatively few references relating to their true equivalency, or lack thereof, comparative to the quenching performance of petroleum oil-based quenchant formulations. To obtain an overview of the variability vegetable oil quenching performance, the cooling curves and rewetting properties were determined, and the surface heat flux properties were calculated. The vegetable oils that were studied included canola, coconut, corn, cottonseed, palm, peanut, soybean, and sunflower oils. Cooling curves were obtained using the Tensi multiple-surface thermocouple 15 mm diameter by 45 mm cylindrical Inconel 600 probe (Note: The multiple thermocouple probe was custom manufactured to conform to a drawing provided by: Heattec located at Seglaregatan 1C, 302 90 Halmstad, Sweden). For comparison, similar data was obtained with Houghto-Quench H100, a conventional (slow) petroleum quenchant oil, and Houghto-Quench HKM, an accelerated (fast) petroleum oil quenchant (Houghton International Inc., Valley Forge, PA). The results of this work will be discussed here.

    Author Information:

    Simencio Otero, Rosa L.
    Department of Materials Engineering, São Carlos School of Engineering, University of São Paulo, São Carlos SP,

    Viscaino, Jônatas M.
    Department of Materials Engineering, São Carlos School of Engineering, University of São Paulo, São Carlos SP,

    Xu, Jun
    Institute of Materials Modification and Modelling School of Materials Science and Engineering, Shanghai,

    Gu, Jianfeng
    Institute of Materials Modification and Modelling School of Materials Science and Engineering, Shanghai,

    Totten, George E.
    Department of Mechanical and Materials Engineering, Portland State University, Portland, OR

    Canale, Lauralice C. F.
    Department of Materials Engineering, São Carlos School of Engineering, University of São Paulo, São Carlos SP,


    Stock #: MPC20180042

    ISSN:2379-1365

    DOI: 10.1520/MPC20180042

    Author
    Title Quenchant Cooling Curves, Rewetting, and Surface Heat Flux Properties of Vegetable Oils
    Symposium ,
    Committee A01