MATERIALS

MATERIALS

1. Raw Materials

   • They are taken directly from nature
   • Their Origin can be
     • ANIMAL
     • PLANT
     • MINERAL

2. Processed Materials

   • When we process raw materials, they became raw materials

3. We can classify them in

   • Woods
   • Metals
   • Plastics
   • Textiles
   • Construction Materials

4. Properties

   • Sensory
     • TRANSPARENT
     • TRANSLUCENT
     • OPAQUE
   • Mechanical
     • HARDNESS
       • THE RESISTANCE OF A MATERIAL TO BENG SCRATCHED OR PIERCED
     • TOUGHNESS
       • THE RESISTANCE OF A MATERIAL RO BEING BROKEN WHEN WE STRIKE IT
     • DEFORMABILITY
       • THE ABILITY OF A MATERIAL TO BE DEFORMED
     • DUCTILITY
       • THE ABILITY OF A MATERIAL TO BE STRETCHED INTO A WIRE
     • MALLEABILITY
       • THE ABILITY OF A MATERIAL RO BE PRESSED OR ROLLED INTO A SHEET
   • Physical
     • ELECTRICAL CONUCTIVITY, THERMAL CONDUCTIVITY AND SOUND CONDUCTIVITY