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This article discusses the characterization of additive manufacturing powders.

Limitations of Simple Powder Flow Measurements and Particle Size Analysis for Bulk Powder Characterisation Freeman Technology is pleased to announce the release of a new application note “Limitations of Simple Powder Flow Measurements and Particle Size Analysis for Bulk Powder Characterisation”. An important point to appreciate about powders is that they are essentially three-phase systems consisting of solid particles, liquid (often relatively poorly controlled levels of water) and gas, typically air. This is why particle characterisation alone cannot reliably differentiate samples when ...