Measurement Model for Young's Modulus of Axially Functionally Graded Materials

For axially functionally graded beams with elastic modulus varying through the longitudinal directions, a measurement model for Young's modulus is presented based on the classic Euler-Bernoulli beam theory. When the force and deflection of cantilever beams are measured by the experiment method,...

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Bibliographic Details
Published in:	Key engineering materials 2017-08, Vol.748, p.391-395
Main Authors:	Chen, Xiao Liang, Zhang, Long, Li, Ding Yu
Format:	Article
Language:	eng
Subjects:	Beam theory (structures) Cantilever beams Computer simulation Deflection Euler-Bernoulli beams Finite element method Functionally gradient materials Modulus of elasticity
Online Access:	Get full text
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Summary:	For axially functionally graded beams with elastic modulus varying through the longitudinal directions, a measurement model for Young's modulus is presented based on the classic Euler-Bernoulli beam theory. When the force and deflection of cantilever beams are measured by the experiment method, the Young's modulus of axially functionally graded beams can be obtained by the measurement model. By the derivation rule of compound functions, the validity of the measurement model is proved. For the axially functionally graded beams with elastic modulus varying according to the power law and the exponential law respectively, the deflection is simulated by the finite element method. The simulated elastic modulus by the model is in accord with the theoretical value well.
ISSN:	1013-9826 1662-9795 1662-9795