Research Article
Fabrication and Microhardness Analysis of MWCNT/MnO2 Nanocomposite
Table 4
Microhardness data of 10 wt% MWCNT/MnO2 nanocomposite.
| Observation | Applied load ( in Kgf) | (μm) | (μm) | (Kgf/mm2) |
| 1 | 0.2 | 255.8 | 213.5 | 6.73 | 2 | 0.2 | 129.4 | 125 | 22.9 | 3 | 0.2 | 99.1 | 82.8 | 44.8 | 4 | 0.2 | 77.5 | 46.3 | 96.8 | 5 | 0.2 | 99.1 | 82.8 | 44.8 | 6 | 0.2 | 143.3 | 156.5 | 16.5 | 7 | 0.2 | 168.3 | 150.3 | 14.6 | 8 | 0.2 | 158.2 | 130.4 | 17.8 | 9 | 0.2 | 117.4 | 92.38 | 33.7 | 10 | 0.2 | 104.1 | 92.1 | 38.5 | 11 | 0.2 | 96.3 | 70.6 | 53.2 | 12 | 0.2 | 158.7 | 141.1 | 16.5 | 13 | 0.3 | 85.1 | 85.1 | 76.8 | 14 | 0.3 | 101.2 | 97.9 | 56.1 | 15 | 0.3 | 155.5 | 148.3 | 24.1 | 16 | 0.3 | 127.4 | 115.3 | 37.8 | 17 | 0.3 | 119.8 | 111.2 | 41.7 | 18 | 0.3 | 120.1 | 103.6 | 44.4 | 19 | 0.3 | 106.4 | 96.9 | 53.8 | 20 | 0.3 | 120.8 | 104.8 | 43.7 | 21 | 0.3 | 150.8 | 128.8 | 28.4 | 22 | 0.3 | 127.8 | 110.2 | 39.3 | 23 | 0.3 | 132 | 114.2 | 36.7 | 24 | 0.3 | 127.3 | 122.7 | 35.6 |
| Average (Kgf/mm2) | | | | 38.55 |
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