Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hierarchically Ordered Particle Mixtures by Thermally-Triggered Granulation
A method was developed to granulate ceramic particles using metallo-organic soap as a binder. A high shear mechanical mixer (i.e., mechanofusion) was used to coat the soap over the ceramic particle surfaces. Agglomeration of the coated particles was triggered by increasing the mixing temperature to the softening point of the soap and transforming the soap from a crystalline to an amorphous phase. The crystalline soap acted as a solid lubricant and the amorphous phase was a cohesive binder. Granule growth was correlated to the thermomechanical properties of the soap, which depended on temperature, applied pressure and compaction history. The resultant spherical granules were densely packed assemblages of coated particles (i. e., multicore microcapsules). Sequential cladding of layers onto pre-formed core granules resulted in microstructures with hierarchical compositional ordering.
Hierarchically Ordered Particle Mixtures by Thermally-Triggered Granulation
A method was developed to granulate ceramic particles using metallo-organic soap as a binder. A high shear mechanical mixer (i.e., mechanofusion) was used to coat the soap over the ceramic particle surfaces. Agglomeration of the coated particles was triggered by increasing the mixing temperature to the softening point of the soap and transforming the soap from a crystalline to an amorphous phase. The crystalline soap acted as a solid lubricant and the amorphous phase was a cohesive binder. Granule growth was correlated to the thermomechanical properties of the soap, which depended on temperature, applied pressure and compaction history. The resultant spherical granules were densely packed assemblages of coated particles (i. e., multicore microcapsules). Sequential cladding of layers onto pre-formed core granules resulted in microstructures with hierarchical compositional ordering.
Hierarchically Ordered Particle Mixtures by Thermally-Triggered Granulation
Paul R. Mort (Autor:in) / Richard E. Riman (Autor:in)
2014
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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