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Aerospace
B180 is out-of-autoclave prepreg for the manufacture of parts operated at temperatures up to 150 °С.
—Read allВ180 is a prepreg based on epoxy resin and reinforcing filler (unidirectional tapes or fabrics of various weaving) for producing details with operating temperatures up to 150°C. Out-of-autoclave prepreg technology has the most advantages of autoclave.
The autoclave is not required for processing the prepreg B180. Curing takes place in a vacuum bag, with the technology of the package laminating slightly different from the vacuum infusion.
Neat resin characteristics
|
Tensile strength, MPa |
ASTM D638 |
94 |
|
Flexural strength, MPa |
ASTM D790 |
162 |
|
Fracture toughness, KIC, MPa∙m1/2 |
ASTM D5045 |
1.88 |
|
Strain energy release, GIC, J/m2 |
ASTM D5045 |
1340 |
|
Dry glass transition temperature, Tg, °С |
ASTM E2092 |
175 |
|
Wet glass transition temperature, Tg, °С |
ASTM D3418 |
154 |
|
Moisture absorption, % (54h, boiling water) |
|
4.17 |
Prepreg characteristics
| Tensile strength 25°C σ11+, MPa | ASTM D3039 | 871 |
| Compression strength 25°C σ11-, MPa | ASTM D6641 | 802 |
| Tensile modulus 25°C E11+, GPa | ASTM D3039 | 71 |
| Compression modulus 25°C E11-, GPa | ASTM D695 | 60 |
| Compression strength 25°C [0,+45]nS, σ11-, MPa | ASTM D6641 | 708 |
| Compression strength 85°C [0,+45]nS, σ11-, MPa | ASTM D6641 | 639 |
| Tensile strength 25°C [0,+45]nS, σ11+, MPa | ASTM D3039 | 668 |
| Tensile strength 85°C [0,+45]nS, σ11+, MPa | ASTM D3039 | 670 |
| Shear strength τ12 (5% / max), MPa, 25 °C | ASTM D5379 | 126 |
| Shear modulus G12, GPa, 25 °C | ASTM D3518 | 5.7 |
| Shear strength 25°C [0,+45]nS, τ13, MPa | ASTM D2344 | 66 |
| Shear strength 85°C [0,+45]nS, τ13, MPa | ASTM D2344 | 59 |
