Research Article
Morphological Investigation of Foamed Aluminum Parts Produced by Melt Gas Injection
Table 4
Circularity
parameter.
| Mould type | Pressure | Gas | C range | C average value |
| SM | Ambient | Nitrogen | 0.33–0.95 | 0.799 | SM | Suction | Nitrogen | 0.43–0.94 | 0.912 | ME | Ambient | Air | 0.28–0.92 | 0.663 | ME | Suction | Nitrogen | 0.57–0.96 | 0.947 | BM | Suction | Nitrogen | 0.52–0.93 | 0.903 | BM | Suction | Air | 0.57–0.95 | 0.862 |
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