Research Article
Study of the Frost Resistance of HDFC Based on a Response Surface Model and GM (1,1) Model
Table 2
The performance index of PVA fiber.
| Length (mm) | Diameter () | Tensile strength (MPa) | Dynamic elastic modulus (GPa) | Elongation (%) | Density (g/cm3) |
| 6, 9, 12 | 39 | 1600 | 40 | 7 | 1.3 |
|
|