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Matthew R. Maschmann, Gregory J. Ehlert, Sei Jin Park, David Mollenhauer, Benji Maruyama, A. John Hart and Jeffery W. Baur Digital Image Correlation: Visualizing Strain Evolution and Coordinated Buckling within CNT Arrays by In Situ Digital Image Correlation (Adv. Funct. Mater. 22/2012) Advanced Functional Materials 22

Version of Record online: 9 NOV 2012 | DOI: 10.1002/adfm.201290134

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Digital image correlation is used for the first time to measure the spatially resolved strain evolution of compressed carbon nanotube columns. A consistent local critical strain criterion of 5% is discovered, unifying otherwise disparate column behavior. As reported by Jeffery W. Baur and co-workers on page 4686, this new capability enables the visualization of the inhomogeneous deformation inherent in many nanoscale and microscale materials.

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