Silica dispersion in styrene butadiene rubber composites studied by synchrotron tomography

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By means of synchrotron X-ray computed tomography, model composites consisting of silica and styrene-butadiene rubber were studied with a very high spatial resolution. By our analysis technique we were able to determine the nano- and micro dispersion from the experimental results by our numerical analysis. These results are discussed with respect to crucial advantages of the generically 3-dimensional tomography technique as compared to 2-dimensional methods. Our quantitative analysis of the 3d images demonstrates that in the case of our model composites the filler dispersion is good, independent on the filler concentration. Our new 3-dimensional results evidence that considering only 2-d pictures may lead to ambiguities that can lead to wrong conclusions. © 2011 Elsevier B.V. All rights reserved.

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Journal of Non-Crystalline Solids

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