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Strength of fiber reinforced metal laminates with a circular hole

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Abstract

The effect of notching on fiber-reinforced metal laminates (FML) is studied 3-2 lay up carbon fiber aluminum laminates specimens containing a circular hole were employed in notch tests. The notch effect for a composite laminate was investigated and compared with carbon/epoxy composites and aluminum sheets. The degradation of notch strength for carbon fiber aluminum laminates was smaller than for carbon/epoxy composites. The point and average stress criteria were used in the notch strength analysis. A finite width correction factor was also used. The strength degradation models involve a single parameter that is a function of the hole size and the characteristic length. These models were compared with experimental data and good agreement was found.

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Authors and Affiliations

  1. Department of Information and Mathematics, Korea University, 208 Seochang-ri, Jochiwon-eup, Yeongi-gun, 339-700, Chungnam, Korea

    W. J. Hwang

  2. Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), San 31 Hyoja-dong, Nam-gu, 790-784, Pohang, Korea

    Y. T. Park & W. Hwang

Authors
  1. W. J. Hwang
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  2. Y. T. Park
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  3. W. Hwang
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Correspondence to W. Hwang.

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Hwang, W.J., Park, Y.T. & Hwang, W. Strength of fiber reinforced metal laminates with a circular hole. Met. Mater. Int. 11, 197–204 (2005). https://doi.org/10.1007/BF03027442

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