3-MECHANICAL CHARACTERISTICS OF THE COMPOSITE PANEL |
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Property of a section that quantifies its amount of mass (area) with respect to its center of gravity. It directly influences the tension and deflection obtained in a panel under a given load (the higher the inertia, the lower the tension and deflection for the same load). |
Also known as Young’s Modulus, it is a constant characteristic of elastic materials that relates the force applied to the deformation or displacement obtained. The higher the modulus of elasticity, the smaller the deflection for a given load. |
It is the product of inertia and elastic modulus. For a given load and support configuration, this is the only data required to obtain the deflection on the panel. The greater the stiffness, the lesser the deflection.
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Limit stress supported by an elastic material up to which the deformation obtained is 99.8% recoverable after removal of the applied force. The higher this limit, the more difficult it is for the acting loads to cause permanent deformations in the panel. |
Stress at which a material breaks. Once the yield stress has been exceeded, the material continues to deform without breaking, but in a plastic form (non-recoverable deformation). When the ultimate limit stress is reached, the material breaks. |
Increase in length (in percent) of an element from the time the yield strength is exceeded until failure occurs. |
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