Research Article
Sandwich Structured Composites for Aeronautics: Methods of Manufacturing Affecting Some Mechanical Properties
Table 5
Results of impact strength according to Charpy’s method.
| Method of producing composite | Type of panel | Average impact strength, kJ/m2 | Standard deviation, kJ/m2 |
| Hand lay-up | M2 | 10.15 | 1.35 | M4 | 10.42 | 1.93 | T2 | 11.48 | 5.61 | T3 | 12.87 | 4.47 |
| Press | P2 | 19.04 | 3.05 | P3 | 13.25 | 5.32 |
| Autoclave | A2 | 20.30 | 2.37 | A3 | 15.58 | 3.33 |
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