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The slope of the curve defined by flexural load versus resultant strain. A high flexural modulus indicates a stiffer material. ... It is used to calculate how far a bar will bend when a bending load is applied to it. Units are normally millions of pounds per square inch. (10 psi) - Giga Pascals (gPa).
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Networks: Calculating Crosslink Density from Modulus Applet; Networks: Calculating Crosslink Density from Solvent Uptake Applet; Mechanical Properties: Calculating Strain with the Four-Element Model Applet;
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The flexural modulus, which is a modulus of elasticity, is determined by calculating the slope of the linear portion of the stress-strain curve during the bending test. The formula used to calculate the flexural modulus from the recorded load (F) and deflection (D) is:
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A manufacturer of composite materials uses an Instron® electromechanical testing system and 3-point bend fixture to determine the flexural modulus, flexural strength (stress) and flexural strain of their composite bars.
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1.1 This test method covers the procedure for determining the flexural modulus of elasticity of stone by using a simple beam with quarter-point loading.
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under study and only shows a significant drop for the laminates containing milled fibres (L = 0.09 mm). The sample containing 60% fibres is also somewhat lower than the trend, particularly in the flexural modulus plot.
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