METALS

METALS

1. METALLIC MATERIALS

   • PROPERTIES OF METALS
     • THEY ARE
       • HARD
       • MALLEABLE
       • DUCTILE
       • TOUGH
     • MECHANICAL PROPERTIES
     • THERMAL PROPERTIES
       • VERY GOOD CONDUCTORS OF HEAT
       • EXPAND OR CONTRACT WHEN THE TEMPERATURE RISES OR FALLS
       • CAN BE SOLDERED EASILY
     • ELECTRICAL AND MAGNETIC PROPERTIES
       • VERY GOOD CONDUCTORS OF ELECTRIC CURRENT
       • WITH MAGNETIC BEHAVIOUR AND CAN ATTRACT OTHER METALS
     • OTHER PROPERTIES
       • RUST EASILY
       • SOUND CONDUCTORS
       • HEAVY AND DENSE
       • SOLID AT ROOM TEMPERATURE
   • FORMS OF METAL
     • PLATES
     • SECTIONS
     • INGOTS
   • CLASSIFYING METALS
     • FERROUS METALS
       • IRON
       • STEEL
         • EASY TO SOLDER
         • CAN BE FORGED
         • IT RUSTS EASILY
         • HARD AND TOUGH
       • CAST IRON
         • RESISTS CORROSION AND TEMPERATURE CHANGES
         • EASY TO MOULD
         • DIFFICULT TO SOLDER
         • HARDER BUT NOT DUCTILE
     • NON-FERROUS METALS
       • COPPER
         • DUCTILE, MALLEABLE AND EASY TO SOLDER
         • RESISTANT TO CORROSION
         • GOOD CONDUCTOR OF HEAT AND ELECTRICITY
       • TIN
         • DUCTILE AND MALLEABLE WHEN IS COLD
         • EASY TO WORK AND TO MELT
       • ALUMINIUM
         • VERY LIGHT
         • RESISTANT TO CORROSION
         • GOOD CONDUCTOR OF HEAT AND ELECTRICITY
         • NON-TOXIC
         • EASY TO SHAPE
         • DUCTILE AND MALLEABLE
       • ZINC
         • MALLEABLE AND DUCTILE
         • GOOD CONDUCTOR OF HEAT AND ELECTRICITY
         • RESISTANT TO CORROSION AND RUST

2. METALWORKING

   • MEASUREMENTS AND LAYOUT
   • METAL TREATMENTS
   • FILING
   • JOINTS
   • HOLDING AND BENDING
   • CUTTING
   • PERFORATING