Current Investigations at Quenching Research Centre

    (Received 19 December 2013; accepted 18 February 2014)

    Published Online: 2014

    CODEN: MPCOAD

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    Abstract

    Quenching Research Centre (QRC) was established at the beginning of 2010 through the financial support for excellence of the Ministry of Science Education and Sport, of the Republic of Croatia. The main investigation and research possibilities and potentials of the QRC are: quenching in liquids or in a salt bath and cooling by high pressure gases. As a result of long term research, the Temperature Gradient System has been designed, together with a unique cylindrical probe of 50 mm diameter by 200 mm instrumented with three thermocouples. Another device used at the Centre was the IVFSmartQuench® system according to ISO 9950, using a quenching device with agitation according to the ASTM D6482 standard. That equipment is used to investigate liquid quenchants and process parameters, including development of new quenchants: water, oil, and polymer based nanofluids, agitated by ultrasonic vibrations as a novel technology. QRC is also equipped with unique high pressure gas quenching facilities, providing the hardware for controllable heat extraction. The aim of using that equipment is to develop the method for measuring hardenability of high-alloyed steels when they are gas quenched and where a Jominy test is not applicable. QRC is also one of the initiators and an active participant in the project Global database on cooling intensities of liquid quenchants, which is coordinated and conducted by International Federation for Heat Treatment and Surface Engineering (IFHTSE).


    Author Information:

    Liščić, Božidar
    Univ. of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Quenching Research Centre, Zagreb,

    Filetin, Tomislav
    Univ. of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Quenching Research Centre, Zagreb,

    Landek, Darko
    Univ. of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Quenching Research Centre, Zagreb,

    Župan, Josip
    Univ. of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Quenching Research Centre, Zagreb,


    Stock #: MPC20130102

    ISSN: 2165-3992

    DOI: 10.1520/MPC20130102

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    Author
    Title Current Investigations at Quenching Research Centre
    Symposium , 0000-00-00
    Committee A01