Micro Speckle Stamping: High Contrast, No Basecoat, Repeatable, Well-Adhered

  • Andrew H. Cannon
  • Jacob D. Hochhalter
  • Geoffrey F. Bomarito
  • Timothy Ruggles
Conference paper
First Online:
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

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.

Keywords

Digital image correlation Micro speckle stamping Designer patterns Pattern Optimization 
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Notes

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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Copyright information

© The Society for Experimental Mechanics, Inc. 2017

Authors and Affiliations

  • Andrew H. Cannon
    • 1
    • 2
  • Jacob D. Hochhalter
    • 3
  • Geoffrey F. Bomarito
    • 3
  • Timothy Ruggles
    • 4
  1. 1.1900 Engineering, LLCClemsonUSA
  2. 2.Department of Chemical and Biomolecular EngineeringClemson UniversityClemsonUSA
  3. 3.NASA Langley Research Center: Durability, Damage Tolerance, and Reliability BranchHamptonUSA
  4. 4.National Institute of AerospaceHamptonUSA

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