Abstract
Polycarbonate material is calibrated for photoplastic studies using reflection photoelasticity and digital image correlation (DIC) techniques. A modified dog bone specimen is used for easy ordering of photoelastic fringes and to obtain optimum information from a single photoelastic image. The specimen surface is coated with a reflective aluminium spray paint. On top of this a random speckle pattern required for DIC experiment is achieved by spraying black speckles on white background. Both reflection photoelasticity and DIC experiments are performed simultaneously on the dog bone specimen. A maximum principal strain difference of 7 % is measured in the experiment. The photoplastic constant is evaluated by relating the fringe order, N from reflection photoelasticity to the principal strain difference, (ε 1 − ε 2) data from DIC.
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© 2016 The Society for Experimental Mechanics, Inc.
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Subramanyam Reddy, M., Ramesh, K. (2016). A New Approach to Calibration of Polycarbonate Material for Photoplastic Studies. In: Jin, H., Yoshida, S., Lamberti, L., Lin, MT. (eds) Advancement of Optical Methods in Experimental Mechanics, Volume 3. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-22446-6_33
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DOI: https://doi.org/10.1007/978-3-319-22446-6_33
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-22445-9
Online ISBN: 978-3-319-22446-6
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