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Fillet Punch Creep Test of Aluminum Alloy 2024-T851: A New Method to Assess Creep Properties of Materials

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Abstract

In this paper, a small specimen method to evaluate creep properties of materials is proposed. It is a modified form of Shear Punch Creep Test that has a small fillet at the end of the punch that is named Fillet Punch Creep Test (FPCT) for simplicity. The activation energy and the Larson-Miller constant of Al2024-T851 are determined using FPCT. The FPCT results closely match the results of Uniaxial Creep Test using the Larson-Miller parameter to convert shear stress of FPCT to equivalent normal stress of Uniaxial Creep Test. The experimental results show the validity of FPCT to evaluate the creep properties of materials.

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Authors and Affiliations

  1. Intelligence-Based Experimental Mechanics (IBEM) Laboratory, Faculty of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran

    A. Moradi, N. Soltani & H. Nobakhti

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  1. A. Moradi
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  2. N. Soltani
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  3. H. Nobakhti
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Correspondence to A. Moradi.

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Moradi, A., Soltani, N. & Nobakhti, H. Fillet Punch Creep Test of Aluminum Alloy 2024-T851: A New Method to Assess Creep Properties of Materials. Exp Tech 41, 59–67 (2017). https://doi.org/10.1007/s40799-016-0160-3

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  • DOI: https://doi.org/10.1007/s40799-016-0160-3

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