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# Materials Engineering

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**Index of SubsTech articles**

*to *Fiberglasses

*to *Properties of composites

(submitted by the website administration)

Fiberglass |
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Composition: Glass fibers reinforced polyester matrix composite |
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Property | Value in metric unit | Value in US unit |
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Density | 1.8 *10³ | kg/m³ | 114 | lb/ft³ |
---|---|---|---|---|

Tensile modulus (LW) | 17.2 | GPa | 2500 | ksi |

Tensile modulus (CW) | 5.5 | GPa | 800 | ksi |

Compressive modulus (LW) | 17.2 | GPa | 2500 | ksi |

Compressive modulus (CW) | 6.9 | GPa | 1000 | ksi |

Flexural modulus (LW) | 12.4 | GPa | 1800 | ksi |

Flexural modulus (CW) | 5.5 | GPa | 800 | ksi |

Tensile strength (LW) | 207 | MPa | 30000 | psi |

Tensile strength (CW) | 48 | MPa | 7000 | psi |

Compressive strength (LW) | 207 | MPa | 30000 | psi |

Compressive strength (CW) | 103 | MPa | 15000 | psi |

Flexural strength (LW) | 207 | MPa | 30000 | psi |

Flexural strength (CW) | 69 | MPa | 10000 | psi |

Shear strength (short beam) | 31 | MPa | 4500 | psi |

Thermal expansion (20 ºC) | 8*10^{-6} | ºCˉ¹ | 4.4*10^{-6} | in/(in* ºF) |

Barcol hardness | 45 | - | 45 | - |

Dielectric constant (60 Hz) | 5 | - | 5 | - |

LW- Lengthwise direction, CW- Crosswise direction

http://www.cems.uvm.edu/~iatridis/me257/introduction.ppt

http://teaching.ust.hk/~mech106/MECH106-Composites.pdf

http://matesrv.ceng.calpoly.edu/kcchen/public_html/MATE210/Envt/15-composites.pdf

http://www.cs.berkeley.edu/~jfc/DR/F03/lectures/lec13/lec13.ppt

http://www.uofaweb.ualberta.ca/mece/pdfs/Chapter1-06.pdf

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