Experimental Ultrasonic Study of the Elastic Modulus of Glass Fiber Plastics in Constructions

Abstract

Results of experimental study of the elastic modulus of composite polymer materials (glass fiber plastics) by a pulsed ultrasonic method are considered. Results of the in situ elastic-modulus testing in isotropic, transverse-isotropic, and orthotropic glass fiber plastics in articles and constructions are presented. A significant distinction between a dynamic elastic modulus determined by the speed of ultrasound and a static one measured according to GOST (State Standard) 9550-81 is demonstrated. Results of studying the anisotropy of fiber glass plastics are provided.

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Correspondence to A. I. Potapov.

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Original Russian Text © A.I. Potapov, V.E. Makhov, 2018, published in Defektoskopiya, 2018, No. 1, pp. 3–18.

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Potapov, A.I., Makhov, V.E. Experimental Ultrasonic Study of the Elastic Modulus of Glass Fiber Plastics in Constructions. Russ J Nondestruct Test 54, 1–16 (2018). https://doi.org/10.1134/S1061830918010060

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Keywords

  • composite materials
  • fiber glass plastic
  • isotropic fiber glass plastic
  • transverse-isotropic fiber glass plastic
  • orthotropic fiber glass plastic
  • elastic modulus
  • anisotropy of fiber glass plastic