The flow properties of five samples of a ceramic powder, characterized by different particle size distributions were measured at ambient temperature and at 500. °C with the High Temperature Annular Shear Cell. A significant increase of powder cohesion was observed at high temperature. A model combining a continuum approach and a particle-particle interaction description was used to correlate the powder tensile strength with the interparticle forces. The dependence of the tensile strength on powder consolidation and temperature is correctly described by the model.
Bulk flow properties of sieved samples of a ceramic powder at ambient and high temperature / Chirone, R.; Barletta, D.; Lettieri, P.; Poletto, M.. - In: POWDER TECHNOLOGY. - ISSN 0032-5910. - 288:(2015), pp. 379-387. [10.1016/j.powtec.2015.11.040]
Bulk flow properties of sieved samples of a ceramic powder at ambient and high temperature
Chirone R.Primo
;
2015
Abstract
The flow properties of five samples of a ceramic powder, characterized by different particle size distributions were measured at ambient temperature and at 500. °C with the High Temperature Annular Shear Cell. A significant increase of powder cohesion was observed at high temperature. A model combining a continuum approach and a particle-particle interaction description was used to correlate the powder tensile strength with the interparticle forces. The dependence of the tensile strength on powder consolidation and temperature is correctly described by the model.| File | Dimensione | Formato | |
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