Q:
What are the Different
Classes of Materials?




A:
  • "Building Materials:"
    - Glass - Vitreous Ceramic
    - Steel - Metal
    - Wood - Polymer
    - Cement/Concrete - Composite

  • Structural Metals:
    - Steels/Cast Irons
    - Aluminum Alloys
    - Brasses and Bronzes - Cu, Zn, Sn, etc.

  • Aerospace Materials:
    - Carbon/Carbon Composites, e.g.,
      Aircraft Brakes
    - Aluminum Lithium Alloys
    - Space Shuttle Thermal Protection Tiles
    - Crystalline Ceramic (SiC)

  • Electronics:).
    - Silicon, Gallium Arsenide
    - Crystalline Ceramics, Semiconductors