Titlebook: Impact-Activated Solidification of Cornstarch and Water Suspensions; Scott R. Waitukaitis Book 2015 Springer International Publishing Swit

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Scott R. WaitukaitisNominated by the University of Chicago, USA, as an outstanding Ph.D. thesis.Provides evidence that the impact response of dense suspensions is caused by dynamic jamming fronts.Presents a new perspecti

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Introduction,In its simplest definition, a suspension is a mixture of macroscopic, undissolved, hard particles in a liquid. From paints to oils to beauty products, suspensions surround us in our everyday lives. They also exhibit rich and interesting phenomena at the forefront of physics and materials science.

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Freely Accelerating Impact into Cornstarch and Water Suspensions,This chapter is dedicated to an experimental study of the response of dense suspensions of cornstarch and water to surface impact.

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Dynamic Jamming Fronts in a Model 2D System,In the previous chapter, it was shown that the behavior of the suspension directly below the rod suggests that the suspension solidifies as a consequence of impact. This process was reminiscent of a snowplow. In this chapter, we construct a model experiment to study this snowplow solidification.

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Speed-Controlled Impact into Cornstarch and Water Suspensions,In Chap. 4 we investigate the dependence of the solidification of the suspension on particle packing fraction with speed-controlled impact experiments. We find that for high-enough impact speeds, it is consistent with the 2D experiments of Chap. 3. Additionally, we also uncover the role of the liquid viscosity.

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Impact-Activated Solidification of Cornstarch and Water Suspensions978-3-319-09183-9Series ISSN 2190-5053 Series E-ISSN 2190-5061

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Results and Conclusions,namic jamming of the suspension is the cause. In this final chapter, we review and gather all of the evidence we have found to support this claim, as well as give an outlook for future questions and experiments.