Non-Destructive Testing for Evaluation of Young’s Modulus by Using Free Vibration Response of Composite Materials
Source abstract
Abstract
This article presents a non-destructive method, based on the response to free vibrations, which can be used with efficiency and reliability to determine the Young’s modulus of polymer composite materials reinforced with natural or synthetic fibers. The non-destructive tests are carried out by measuring the frequencies of bending free vibrations of cantilever beams with additional masses. By using inverse methods, the experimental values of elasticity modulus E are assessed and validated by numerical simulation, using the finite element method (FEM). For FEM modeling, the materials are considered linear, homogeneous, isotropic, and viscoelastic.
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Research context
OpenAlex topics: Structural Health Monitoring Techniques · Ultrasonics and Acoustic Wave Propagation · Optical measurement and interference techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Solid Mechanics of the Romanian Academy, 010141 Bucharest, Romania
Department of Strength of Materials, National University of Science and Technology POLITEHNICA Bucharest, 060042 Bucharest, Romania
References (27)
Show source-provided references
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