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    Volume 46, Issue 2 (October 2017)

    Mini Round-Robin Test on the Split Hopkinson Pressure Bar

    (Received 26 January 2016; accepted 4 November 2016)

    Published Online: 17 October 2017

    CODEN: JTEVAB

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    Abstract

    It is known that the split Hopkinson pressure bar (SHPB) technique has not been standardized yet. A standardized SHPB technique is necessary to provide guidelines for determining the intrinsic material properties. One possibility to examine the consistency of the SHPB technique is to conduct a mini round-robin test. This paper examines whether consistent results can be achieved from three sets of SHPBs by conducting numerical simulations and physical tests on two metals: commercial copper and 6060-T5 aluminum. Both numerical simulation and physical tests employed three sets of SHPBs, namely, 12.7-mm-diameter SHPB made from the AISI 4140 steel, 13-mm-diameter SHPB made from the high-strength steel (HSS), and 14.5-mm-diameter SHPB made from maraging steel 350 (AISI 18Ni). The current study shows that consistent flow stresses (with an acceptable flow stress fluctuation of ±2.2 %) were obtained from these three sets of SHPBs, which indicates the possibility of SHPB standardization in the future.

    Author Information:

    Kariem, M. A.
    Faculty of Mechanical and Aerospace Engineering, Bandung Inst. of Technology, Bandung, West Java

    Ruan, D.
    Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn, Victoria

    Beynon, J. H.
    Faculty of Science and Engineering, Flinders University, Bedford Park, South Australia

    Prabowo, D. A.
    Faculty of Mechanical and Aerospace Engineering, Bandung Inst. of Technology, Bandung, West Java


    Stock #: JTE20160054

    ISSN:0090-3973

    DOI: 10.1520/JTE20160054

    Author
    Title Mini Round-Robin Test on the Split Hopkinson Pressure Bar
    Symposium ,
    Committee E28