Page 25 - Template Tesis UTM v2.0

LIST OF SYMBOLS

- Cross-section area of the bar

- Cross-section area of the specimen

- Width of the beam tested

- Uniaxial elastic stress wave speed in pressure bar

- Wave velocity of the bar
0
- Depth of the beam tested
- Young’s modulus

- Young’s modulus of the bar

- Flexural modulus

- Impact energy

- Initial length of the specimen

- Support span
- Original thickness of the specimen

- Slope of the tangent to the initial straight-line portion of the

load-deflection curve (N/mm)
- Maximum load

- Melting temperature

- Mechanical impedance

- Volume composite

- Volume fraction fibre

- Volume fraction matrix

- Weight composite

- Weight fraction fibre

- Weight fraction matrix

- Impact velocity

- Mechanical impedance value of tested specimen

- Mechanical impedance value of steel bar

- Mechanical impedance ratio

( ) - Engineering stress

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