A Guide to Particle Size and Shape Parameters By Image Analysis
2021-04-19Guidebook
Introduction
The particle size and shape greatly affect powder properties, which are used to evaluate product performance. Some examples are the packing density of crushed sands, the grinding effect of abrasives, the engineering properties of granular soils, etc. Various parameters are utilized to characterize the particle size and shape, which are described in this guidebook, with the intention to facilitate the understanding of these abstract concepts and provide a more comprehensive interpretation. These parameters provide insight into your samples and will be useful in new product development, product performance improvement, and quality control.
21 Particle size and shape parameters covered:
| 1. Calibration Coefficient | 11. Aspect Ratio |
| 2. Area | 12. Compactness |
| 3. Perimeter | 13. Box Ratio |
| 4. Area-equivalent Diameter and Perimeter-equivalent Diameter | 14. Extent |
| 5. Circularity | 15. Straightness |
| 6. Major Axis and Minor Axis of Legendre Ellipse | 16. Elongation |
| 7. Ellipse Ratio | 17. Martin Diameter |
| 8. Long Diameter and Short Diameter | 18. Convexity |
| 9. L/W Ratio of Minimum Bounding Rectangle | 19. Concavity |
| 10. Feret Diameter | 20. Solidity |
| 21. Irregularity |
Recommended Analyzers:
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Laser Diffraction Particle Size and Shape Analyzer
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