Abstract
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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Carlos Alberto Fonzar Pintão was born in Bilac, Brazil in 1954. He received B.Sc. degree in Physics and Mechanical Engineering from the São Paulo University (USP) and the Faculty of Industrial Engineering (FEI), Brazil in 1985 and 1979, respectively, the M.Sc. degree from the São Paulo University (USP), São Carlos, Brazil in 1989 and the Ph.D. degree from the São Paulo University (USP), São Carlos, Brazil in 1996. During the last 28 years he has lectured Physics for Engineering and Physics courses. Most of his research is focused on electron secondary emission in metals and polymers, mechanical properties of materials (elastic modulus and internal friction) and physics experiments in education.
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Foschini, C.R., Souza, E.A.C., Borges, A.F.S. et al. A new approach to measure the elasticity modulus for ceramics using the deformation energy method. J Mech Sci Technol 30, 3585–3590 (2016). https://doi.org/10.1007/s12206-016-0719-z
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DOI: https://doi.org/10.1007/s12206-016-0719-z