Skip to main content
. 2020 Sep 12;11(9):850. doi: 10.3390/mi11090850

Table 5.

Response observations and SN ratios of microhardness (MH) and surface roughness (SR).

Exp. Trial Output Responses SN Ratio, dB
MH (HV) SR (µm) MH SR
Rep 1 Rep 2 Rep 3 Rep 1 Rep 2 Rep 3
1. 897.8 937.0 925.7 0.053 0.061 0.087 59.2731 −24.0190
2. 1066.5 929.3 1025.7 0.138 0.094 0.105 60.0179 −19.3177
3. 1177.4 1098.1 1109.8 0.106 0.101 0.119 61.0373 −19.3390
4. 1091.9 1287.0 1259.3 0.802 0.657 0.883 61.6051 −2.3502
5. 1484.3 1561.2 1586.0 0.661 0.794 0.675 63.7615 −3.0605
6. 1497.0 1434.7 1205.9 0.698 1.021 0.976 62.6768 −1.3158
7. 1419.8 1459.2 1384.3 0.959 1.014 1.018 63.0465 −0.0358
8. 1736.8 1689.1 1656.5 0.855 0.954 0.969 64.5740 −0.7086
9. 1748.3 1761.2 1786.0 0.897 0.892 0.941 64.9347 -0.8266
10. 2140.5 2362.8 2306.1 0.523 0.591 0.615 67.0966 −4.8491
11. 2705.1 2653.1 3067.4 0.534 0.698 0.686 68.9165 −4.0849
12. 2901.8 3242.1 3263.2 0.412 0.469 0.501 69.8885 −6.8189
13. 3147.0 3242.9 3171.3 0.676 0.733 0.709 70.0657 −3.0383
14. 2890.0 2982.9 3329.9 0.885 0.974 0.874 69.6885 −0.8398
15. 3488.2 3792.7 3524.3 1.118 0.980 1.002 71.1123 0.2422
16. 4530.9 4346.8 4306.0 0.991 1.322 1.267 72.8520 1.3207
17. 4394.0 4494.0 4469.6 1.527 0.913 1.280 72.9709 1.2709
18. 3979.4 4283.0 4293.2 1.248 1.226 0.992 72.4180 1.1097

Rep: Repetitions