Abstract
Micro Speckle Stamping has been developed and tested whereby repeatable micro speckle patterns for DIC are applied with no basecoat. The speckle patterns are created on a stamp, and ink is applied to the stamp. The user then transfers the speckle pattern from the stamp to the specimen. Micro Speckle Stamping uses high optical contrast and high electrical contrast speckle materials and leaves no residue between speckles. This new method is more amenable to applying patterns to complex surface geometries and large surface areas and also allows investigations of the virgin surface with EDS and EBSD.
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Acknowledgements
The authors thank Brian Wisner/Drexel for Fig. 34.1 SEM imaging and Prof. Michael Sangid/Purdue for DIC results
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Cannon, A.H., Hochhalter, J.D., Bomarito, G.F., Ruggles, T. (2017). Micro Speckle Stamping: High Contrast, No Basecoat, Repeatable, Well-Adhered. In: Sutton, M., Reu, P. (eds) International Digital Imaging Correlation Society. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51439-0_34
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DOI: https://doi.org/10.1007/978-3-319-51439-0_34
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