Powder Flow Rate Sensitivity

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Flow Rate Coefficients

Abstract

Powders react to changed processing conditions in dramatically different ways. Understanding how a powder will flow under new conditions is critical. Quantifying changes in powder flow with traditional powder testing methods is at best difficult, and even then the standard methods are too variable, too operator dependent, and do not discriminate differences between powders well. Stable Micro Systems’ Powder Flow Analyzer quantifies powder flowability precisely and repeatably and allows even subtle flowability differences due to changed conditions to be quantified. This study illustrates how to take an aspect of powder flowability and quantify the answer with the Powder Flow Analyzer. This study calculates Flow Rate Coefficients for a powder’s sensitivity to changes in processing speeds.