החומרים השונים בהנדסה

Materials

Metals

• Properties:
  • High strength-to-weight ratio
  • Good electrical and thermal conductivity
  • Can be ductile or brittle
• Types:
  • Ferrous metals (e.g., iron, steel)
  • Non-ferrous metals (e.g., copper, aluminum, titanium)
• Applications:
  • Construction (e.g., building frames, bridges)
  • Transportation (e.g., vehicles, aircraft)
  • Electronics (e.g., wiring, circuits)

Plastics

• Properties:
  • Lightweight
  • Corrosion-resistant
  • Can be flexible or rigid
• Types:
  • Thermoplastics (e.g., polyethylene, polypropylene)
  • Thermosets (e.g., epoxy, polyester)
• Applications:
  • Packaging (e.g., bottles, containers)
  • Medical devices (e.g., syringes, implantable devices)
  • Consumer products (e.g., toys, appliances)

Wood

• Properties:
  • Renewable resource
  • Good thermal insulation
  • Can be prone to decay and insect damage
• Types:
  • Softwoods (e.g., pine, spruce)
  • Hardwoods (e.g., oak, maple)
• Applications:
  • Construction (e.g., building frames, furniture)
  • Paper and pulp products (e.g., paper, cardboard)
  • Energy production (e.g., firewood, biofuels)

Textiles

• Properties:
  • Flexible
  • Breathable
  • Can be woven or non-woven
• Types:
  • Natural fibers (e.g., cotton, wool, silk)
  • Synthetic fibers (e.g., nylon, polyester, acrylic)
• Applications:
  • Clothing and upholstery
  • Medical applications (e.g., surgical meshes, implantable devices)
  • Industrial applications (e.g., filters, composites)