Research Article
Optimization of Cutting Parameters during Dry Turning of Austenitic Stainless Steel Using nc-AlTiN/Si3N4, TiAlN, and TiN Coated Inserts
Table 5
GRA for nc-AlTiN/Si3N4 coated insert.
| Run | Speed | Feed | Flank wear | | Surface roughness | | AVG | Grade |
| 1 | 175 | 0.1 | 0.001 | 0.125 | 1.26 | 0.1575 | 0.1 | 4 | 2 | 175 | 0.3 | 123.33 | 0.10001 | 2.34 | 0.2925 | 0.07084 | 5 | 3 | 200 | 0.1 | 45.455 | 0.11446 | 0.96 | 0.12 | 0.10544 | 2 | 4 | 200 | 0.3 | 150.45 | 0.0958 | 2.2 | 0.275 | 0.07001 | 6 | 5 | 225 | 0.1 | 73.33 | 0.10883 | 0.91 | 0.11375 | 0.10504 | 3 | 6 | 225 | 0.3 | 220.025 | 0.08646 | 2.12 | 0.265 | 0.06614 | 7 | 7 | 250 | 0.1 | 80.455 | 0.10748 | 0.72 | 0.09 | 0.11624 | 1 | 8 | 250 | 0.3 | 987.123 | 0.04167 | 1.69 | 0.21125 | 0.04927 | 8 |
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