Stability diagram for dense suspensions of model colloidal Al[sub 2]O[sub 3] particles in shear flow

@article{citeulike:2882834, abstract = {In Al2O3 suspensions, depending on the experimental conditions, very different microstructures can be found, comprising fluidlike suspensions, a repulsive structure, and a clustered microstructure. For technical processing in ceramics, the knowledge of the microstructure is of importance, since it essentially determines the stability of a workpiece to be produced. To enlighten this topic, we investigate these suspensions under shear by means of simulations. We observe cluster formation on two different length scales: the distance of nearest neighbors and on the length scale of the system size. We find that the clustering behavior does not depend on the length scale of observation. If interparticle interactions are not attractive the particles form layers in the shear flow. The results are summarized in a stability diagram.}, author = {Hecht, Martin and Harting, Jens and Herrmann, Hans J. }, citeulike-article-id = {2882834}, doi = {10.1103/PhysRevE.75.051404}, journal = {Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)}, keywords = {2007, application, flow, material, phase, pre, shear}, number = {5}, posted-at = {2008-06-11 15:34:22}, priority = {2}, publisher = {APS}, title = {Stability diagram for dense suspensions of model colloidal Al[sub 2]O[sub 3] particles in shear flow}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PLEEE8000075000005051404000001\&idtype=cvips\&gifs=yes}, volume = {75}, year = {2007} }

TY - JOUR ID - citeulike:2882834 L3 - citeulike-article-id:2882834 TI - Stability diagram for dense suspensions of model colloidal Al[sub 2]O[sub 3] particles in shear flow JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics) VL - 75 IS - 5 PB - APS N2 - In Al2O3 suspensions, depending on the experimental conditions, very different microstructures can be found, comprising fluidlike suspensions, a repulsive structure, and a clustered microstructure. For technical processing in ceramics, the knowledge of the microstructure is of importance, since it essentially determines the stability of a workpiece to be produced. To enlighten this topic, we investigate these suspensions under shear by means of simulations. We observe cluster formation on two different length scales: the distance of nearest neighbors and on the length scale of the system size. We find that the clustering behavior does not depend on the length scale of observation. If interparticle interactions are not attractive the particles form layers in the shear flow. The results are summarized in a stability diagram. KW - 2007 KW - application KW - flow KW - material KW - phase KW - pre KW - shear AU - Hecht, Martin AU - Harting, Jens AU - Herrmann, Hans PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLEEE8000075000005051404000001&idtype=cvips&gifs=yes ER -