An X-ray micro-computed tomography study of agglomerate breakdown during the extrusion of ceramic pastes
By using X-ray micro-computed tomography it was possible to determine the extent of agglomerate breakdown during the mixing and extrusion of ceramic pastes. The technique allowed a significant improvement over previous attempts to visually monitor agglomerate breakdown which have been hampered by th...
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| Veröffentlicht in: | Chemical engineering science 2007-11, Vol.62 (22), p.6451-6456 |
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| creator | McGuire, P.A. Blackburn, S. Holt, E.M. |
| description | By using X-ray micro-computed tomography it was possible to determine the extent of agglomerate breakdown during the mixing and extrusion of ceramic pastes. The technique allowed a significant improvement over previous attempts to visually monitor agglomerate breakdown which have been hampered by the lack of a suitable technique with which to obtain fast and reliable three-dimensional data regarding the volume and size distribution of agglomerates. The extent of agglomerate breakdown in a model agglomerate/matrix system was compared after processing by z-blade mixing followed by ram extrusion and by a co-rotating twin-screw mixing/extrusion process at various operating parameters; the latter process was found to be more effective at breaking down the agglomerates under all processing conditions. |
| doi_str_mv | 10.1016/j.ces.2007.07.040 |
| format | Article |
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| ispartof | Chemical engineering science, 2007-11, Vol.62 (22), p.6451-6456 |
| issn | 0009-2509 1873-4405 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Agglomerate breakdown Applied sciences Chemical engineering Exact sciences and technology Extrusion Particle processing Product processing Tomography Twin-screw extrusion |
| title | An X-ray micro-computed tomography study of agglomerate breakdown during the extrusion of ceramic pastes |
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