Publicação: A new approach to measure the elasticity modulus for ceramics using the deformation energy method
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This paper presents an alternative method to measure the modulus of elasticity to traction, E, for relatively limited sample sizes. We constructed a measurement system with a Force sensor (FS) and a Rotation movement sensor (RMS) to obtain a relationship between force (F) and bending (ΔL). It was possible by calculating the strain energy and the work of a constant force to establish a relationship between these quantities; the constant of proportionality in this relationship depends on E, I and L. I and L are the moment of inertia of the uniform cross-section in relation to an oriented axis and length, respectively, of the sample for bending. An expression that could achieve the value of E was deduced to study samples of Y-TZP ceramics. The advantages of this system compared to traditional systems are its low cost and practicality in determining E.
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Deformation energy, Elasticity modulus, Force sensor, Rotational movement sensor, Y-TZP
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Inglês
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Journal of Mechanical Science and Technology, v. 30, n. 8, p. 3585-3590, 2016.
