Aircraft Structures

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The Advantages and Disadvantages of Composites

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Aircraft Structures

  1. 1. Aircraft Structures<br />Presentation by: #3 Matthew Cheung<br />April 26, 2010<br />
  2. 2. What Will be Discussed…<br />The use of aluminum alloy (advantages, disadvantages)<br />Breakthrough in composites<br />Composite advantages, disadvantages<br />
  3. 3. A Brief Look into History<br /><ul><li>Used aluminum alloy
  4. 4. 1903-1930: minimum weight
  5. 5. 1930-1960: Aircraft performance, plus weight
  6. 6. 1990’s: Material damage tolerance</li></li></ul><li>Aluminum Alloy<br /><ul><li>Advantages:
  7. 7. Ease of manufacture
  8. 8. High Tolerance
  9. 9. Ease of Maintenance
  10. 10. Disadvantages:
  11. 11. Prone to corrosion
  12. 12. Weak at High Temperature
  13. 13. Difficult to compound Curve</li></li></ul><li>The Alternative: Composites<br />
  14. 14. Composite Construction<br /><ul><li>Two Stages:
  15. 15. Matrix
  16. 16. Rienforcement</li></li></ul><li>Composite Pros/Cons<br /><ul><li>Disadvantages:
  17. 17. Square cube law
  18. 18. Hard to Maintain
  19. 19. No electrical conductivity
  20. 20. Advantages:
  21. 21. Lightweight
  22. 22. Resistant to Corrosion
  23. 23. Ease of Compound Curve</li></li></ul><li>Ethics<br /><ul><li>People</li>

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