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/mm^2)
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/mm^2)				38.55