| Why
is shape important? |
| Qualitative
Descriptions... |
| |
| |
| Geometric
Shape Features |
|
Shape
Affects:
- Material Removal Rate
- Free Cutting/Specific Energy
- Grading/Size measurement
|
Qualitative
Descriptors
-Blocky -Angular -Rounded
-Sharp -Platey -Acicular
-Flakey -Spherical -Nodular
|
|
Subtle
shape features
-Edges/Corners :
Sharp --> Dull
- Surface Roughness:
Rough
--> Smooth
|
|
Bulk
Shape Descriptors
- Packing (Bulk) Density
- Surface/Volume Ratios
- Size conversion coefficients
|
| |
| Qualitative
shape terms are subjective and not controllable. |
| |
| How
is "Shape" Measured? |
| |
 |
 |
Quantitative
Descriptors
- Aspect Ratio (dmax/dmin)
- Area/Perimeter2
- Angularity
- Shape distribution parameters
|
| Powder
A |
Powder
B |
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| GE
utilizes quantitative image analysis! |
