Low density fragile states in cohesive powders

@article{goldmanpowder, abstract = {We discuss the difference between cohesive and non-cohesive granular media in the context of dry quicksand, recently proposed as a new fragile state of sand. We demonstrate that weak low density configurations with properties like dry quicksand are readily formed in many common household powders. In contrast, such states cannot be formed in non-cohesive granular media such as ordinary sand. {\copyright}2006 American Association of Physics Teachers}, author = {Umbanhowar, Paul B. and Goldman, Daniel I. }, citeulike-article-id = {2409631}, doi = {http://dx.doi.org/10.1119/1.2201858}, journal = {American Journal of Physics}, keywords = {granular, jamming, qual}, number = {8}, pages = {720--721}, posted-at = {2008-07-02 13:51:35}, priority = {2}, publisher = {AAPT}, title = {Low density fragile states in cohesive powders}, url = {http://dx.doi.org/10.1119/1.2201858}, volume = {74}, year = {2006} }

TY - JOUR ID - goldmanpowder L3 - citeulike-article-id:2409631 TI - Low density fragile states in cohesive powders JF - American Journal of Physics VL - 74 IS - 8 SP - 720 EP - 721 PB - AAPT N2 - We discuss the difference between cohesive and non-cohesive granular media in the context of dry quicksand, recently proposed as a new fragile state of sand. We demonstrate that weak low density configurations with properties like dry quicksand are readily formed in many common household powders. In contrast, such states cannot be formed in non-cohesive granular media such as ordinary sand. ©2006 American Association of Physics Teachers KW - granular KW - jamming KW - qual AU - Umbanhowar, Paul AU - Goldman, Daniel PY - 2006/// UR - http://dx.doi.org/10.1119/1.2201858 ER -