Temperature-Controlled Powder Rheology Measurements in a Fluidized and Consolidated State

Relevant for: Temperature Impact on Powder Behavior, Powder Rheology, Powder Flow Cell, Powder Shear Cell, Powder Characterization, Flowability, Cohesion Strength, Deaeration, Air-retention

Temperature can have a strong impact on the behavior of powders. At elevated temperatures the powders can become sticky or exhibit partial melting resulting in a decreased or increased flowability. Additionally, at sub-zero temperatures freezing can occur which also will impede flowability. These changes will affect the behavior in a consolidated state, and influence for example the flowability, cohesion or angle of internal friction. However, it also influences fluidized powders and can change their behavior e.g. regarding their air-retention.

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