Introduction to Composite Materials
Introduction to Composite Materials
Introduction to Composite Materials
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ME 423 Polymers & Polymer <strong>Composite</strong>s 08/09<br />
Carbon Fibres<br />
• May be manufactured from PAN or Pitch<br />
• Lightweight<br />
• High performance<br />
• High strength - intermediate modulus – high modulus<br />
• Lower modulus – intermediate strength – lower strength<br />
• High electrical and thermal conductivity<br />
• Dimensional stability (negative CTE in fibre direction)<br />
• Relatively expensive (aerospace grade $30-50/Kg)<br />
• Transversely isotropic<br />
• Relatively brittle<br />
• Not very damage resistant
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