Research Article
Fabrication and Microhardness Analysis of MWCNT/MnO2 Nanocomposite
Table 3
Microhardness data of 5 wt% MWCNT/MnO2 nanocomposite.
| Observation | Applied load ( in Kgf) | (μm) | (μm) | = 1.854() (Kgf/mm2) |
| 1 | 0.2 | 88 | 83.9 | 50.2 | 2 | 0.2 | 62.9 | 74.1 | 79 | 3 | 0.2 | 107.9 | 101.7 | 33.7 | 4 | 0.2 | 117.3 | 106.1 | 29.7 | 5 | 0.2 | 157.2 | 135.6 | 17.3 | 6 | 0.2 | 157.3 | 142.7 | 16.4 | 7 | 0.2 | 165.7 | 147.7 | 15.1 | 8 | 0.2 | 134.2 | 118.6 | 23.2 | 9 | 0.2 | 122.3 | 108.5 | 27.8 | 10 | 0.2 | 134.7 | 126.7 | 21.7 | 11 | 0.2 | 157.4 | 140.6 | 16.7 | 12 | 0.3 | 201.6 | 185.3 | 14.8 | 13 | 0.3 | 82.2 | 99 | 67.8 | 14 | 0.3 | 111.8 | 118.6 | 41.9 | 15 | 0.3 | 193.7 | 176.7 | 16.2 | 16 | 0.3 | 185.2 | 159.6 | 18.7 | 17 | 0.3 | 211.2 | 193.2 | 13.6 | 18 | 0.3 | 184.6 | 174 | 17.3 | 19 | 0.3 | 159.3 | 149.7 | 23.3 | 20 | 0.3 | 169.2 | 154.2 | 21.2 | 21 | 0.3 | 144.6 | 133.8 | 28.7 | 22 | 0.3 | 267.2 | 238.4 | 8.7 | 23 | 0.3 | 211.2 | 196.2 | 13.4 | 24 | 0.3 | 168.3 | 152.5 | 21.6 |
| Average (Kgf/mm2) | | | | 26.583 |
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