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mappa - Coggle Diagram

- - - - STIFFNESS:the ability of a materials to resist deformation in response to an applied force or load
      - TOUGHNESS:the ability of a material to resist shock and plastically deform without breaking
      - PLASTICITY:the ability of a material to be deformed permanently without breaking or fracturing.
        
        two more properties associated with plasticity are ductility and malleability
        
        DUCTILITY:the ability of a material to be deformed plastically when its stretched
        
        MALLEABILITY:the ability of a material to be deformed plastically when it is compressed
      - BRITTLNESS:the tendency of a material to break under stress before it deforms
      - ELASTICITY:the ability of a material to return to its original shape when a force is removed
      - HARDNESS:the ability of na material to resist scratching abrasion and indentation
      - FATIGUE:the ability of a materials to resist repeated stress cycles bending or tensions
- - - - THERMAL CONDUCTIVITY:the ability of a material to conduct heat
      - THERMAL EXPANSION:the tendency of metter to change a shape, area and volume in response to a change in temperature
      - MELTING POINT: the temperature at which the substance changes from a solid to a liquid state
      - ELECTRICAL CONDUCTIVITY:the ability of a material to conduct electricity.the opposition of a material to the flow of electric current is called electrical resistivity