Research Article
Evaluation of Water Diffusion Mechanism on Mechanical Properties of Polypropylene Composites
Table 5
Comparison of Hardness properties of polypropylene composites under wet and dry conditions.
| | Composites codes | Dry specimen | Wet specimen | % reduction in impact strength | | Hardness properties (BHN) | Hardness properties(BHN) |
| | KA1 | 6.40 | 4.90 | 23.4 | | KA2 | 5.56 | 4.39 | 21.0 | | KA3 | 7.32 | 6.10 | 16.6 | | KA4 | 10.2 | 7.52 | 26.3 | | NB1 | 3.72 | 2.78 | 25.3 | | NB2 | 4.53 | 3.44 | 24.1 | | NB3 | 4.67 | 3.26 | 30.2 | | NB4 | 7.67 | 5.67 | 20.1 | | PPP | 4.3 | 3.80 | 11.6 |
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