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1 Machine Dynamics Problems

1 2006

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Experimental Determination of Young's Modulus of Rubber from Static and Dynamic Measurements

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Bartko R. , Valášek R. , Malicková P. , Vavro J. , Fandáková M.

Machine Dynamics Problems

2006

tom Vol. 30, No. 3

36-42

One of the most fundamental relations governing the dynamic properties of materials is Hooke's law of elasticity. Hooke's law is a relationship between stress and strain. Hooke's law describes materials which have relatively low damping very accurately. Short theory needed for calculation of elastic modulus, shear modulus and Poison's ratio is presented in this paper. Static measurement stress-strain characteristics of rubber and dynamic tests were described. Calculation of elastic modulus, shear modulus and Poisson's ratio of rubber is shown. Then the influence of strain' velocity on elastic modulus was measured and calculated and complex elastic modulus was calculated from dynamic tests.