10.5.4.2 Hard
Machined Surfaces
Material: Aluminium oxide 96
%
- Surface after sintering
![](/pic/bild217.jpg)
Figure 217: "as fired"
- Tumbled or vibromilled surface
![](/pic/bild218.jpg)
Figure 218: Tumbled or vibromilled
- Ground surface
![](/pic/bild219.jpg)
Figure 219: Ground , V = 1.000
- Polished surface
![](/pic/bild220.jpg)
Figure 220: Polished
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