Abstract
Initially, we critically examined the results provided by the improved Hall-flowmeter, based on bulk volume flow rate, with narrow particle size distribution metal powders (iron, aluminium and copper) of different sizes (fine to coarse) and shapes (nearly spherical to non-spherical). Binary and ternary mixtures of various combinations of fine (100 mu m) metal powders at different size ratios and weight fractions were allowed to discharge from a mass flow hopper. The results show that the mass flow rate of polydisperse mixtures of metal powders is affected by four factors: the size ratio, the volume fraction of the smallest sieved fraction, the initial mass flow rate and the shape of metal powders. (C) 2010 Elsevier B.V. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 71-80 |
| Number of pages | 10 |
| Journal | Powder Technology |
| Volume | 205 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 1 Jan 2011 |
Keywords
- Particle size distribution
- Polydisperse mixtures
- Metal powder
- Flow properties
- Hall-flowmeter
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