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CUSTOM ENGINEERED PRODUCTS
Custom Fabricated Tubing
- Fabricated from any commercially available reinforcement
- Circular, rectangular, hexagonal or elliptical cross sections
- Designed and engineered to meet specific requirements:
- Stiffness
- Strength
- Weight reduction
- Impact resistance
- Conductivity
- Vibration/natural frequency
| Property |
E-glass |
Commercial Carbon |
Intermediate Modulus |
High Modulus |
Flexural Modulus (psi) |
5,500,000 |
16,000,000 |
22,000,000 |
30,000,000 |
| Tensile Strength (psi) |
115,000 |
130,000 |
140,000 |
140,000 |
| Compressive Strength (psi) |
57,000 |
130,000 |
47,000 |
47,000 |
| Shear Modulus (psi) |
800,000 |
800,000 |
800,000 |
800,000 |
| Shear Strength (psi) |
8,000 |
8,000 |
8,000 |
8,000 |
| CTE (in/in/°F) |
4.8 |
0.17 |
-43.6 |
-43.6 |
| Poissons ratio (NUyx) |
.27 |
0.33 |
0.069 |
0.070 |
| Density (Pound/cubic inch) |
0.072 |
0.058 |
0.058 |
0.058 |
Engineering Capability
- Structural Analysis
- Laminate Analysis
- Solid Modeling
- Critical Speed/Natural Frequency Analysis
- Buckling Stress Analysis
- Joining Analysis
- Material Selection
Stiffness Comparison
- Filament wound composites can be fabricated to match the stiffness of traditional materials
- Filament wound composites offer the advantage of customizing stiffness by varying both the type of fiber and the angle of the reinforcement
The Effect of Wind Angle on Stiffness
- The stiffness of a composite structure is controlled by the orientation of the reinforcing fibers
- The design engineer must understand the requirements of the application to properly design the filament wound structure
Ultimate Tensile Strength Comparison
- Filament wound composites exhibit superior strength
- They do not yield or plastically deform the way that metal does
- Filament wound composites offer the advantage of customizing strength by varying both the type of fiber and the angle of the reinforcement
The Effect of Wind Angle on Strength
- As with stiffness, the strength of a composite structure is also controlled by the orientation of the reinforcing fibers
- The design engineer must understand the requirements of the application to properly design the filament wound structure
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