Research Article
Effect of Sizing Agents on Surface Properties of T800 Grade CF and Thermal Aging Time on Mechanical Properties of T800 Grade CF/Epoxy Composites
Table 6
The thermal aging properties of CCF800/5228 composites—flexural strength and modulus.
| Test temperature | Flexural strength (MPa) | Flexural modulus (GPa) | Room temperature (25°C) | 150°C | Retention rate (%) | Room temperature (25°C) | 150°C | Retention rate (%) | Aging time (h) | Average value | Standard deviation | Average value | Standard deviation | Average value | Standard deviation | Average value | Standard deviation |
| 0 | 1516 | 61 | 1220 | 44 | 80 | 117 | 5 | 118 | 4 | 101 | 100 | 1566 | 78 | 1187 | 24 | 76 | 116 | 4 | 114 | 4 | 98 | 250 | 1589 | 40 | 1215 | 27 | 76 | 115 | 4 | 116 | 2 | 101 | 500 | 1609 | 57 | 1259 | 72 | 78 | 116 | 4 | 115 | 4 | 99 | 750 | 1603 | 75 | 1288 | 36 | 80 | 117 | 3 | 116 | 4 | 99 | 1000 | 1612 | 56 | 1235 | 60 | 77 | 117 | 4 | 116 | 4 | 99 |
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