Research Article
Free Vibration Analysis of a Rotating Composite Shaft Using the -Version of the Finite Element Method
Table 1
Properties
of composite materials [
22].
| | Boron-epoxy | Graphite-epoxy |
| (GPa)
| 211.0
| 139.0
| (GPa) | 24.1 | 11.0 | (GPa) | 6.9
| 6.05
| (GPa) | 6.9 | 3.78 | | 0.36
| 0.313
| (kg/) | 1967.0 | 1578.0 |
|
|