Research Article
Evaluation on Powder Metallurgy Process Parameters of Ball-Milled AA8079-B4C Nanostructured Composites via Taguchi Grey Relational Analysis
Table 5
Grey relational grade for each level of parameters.
| Factor | Parameters | Level 1 | Level 2 | Level 3 | Delta | Rank |
| A | Reinforcement wt. % | -6.195 | -6.622 | -4.367 | 2.255 | 1 | B | Compaction pressure | -6.601 | -5.198 | -5.384 | 1.403 | 3 | C | Sintering temperature | -6.954 | -5.269 | -4.961 | 1.992 | 2 | D | Sintering time | -5.128 | -6.160 | -5.896 | 1.032 | 4 |
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