Wednesday, January 25, 2012

Material Properties


Ductility is a solid material's ability to deform under tensile stress. Ductile metals include mild steel, copper etc .  Its make cup and cone shape during tensile stress.

(a) Brittle fracture         (b) Ductile fracture                (c) Completely ductile fracture

Malleability is a similar property, is a material's ability to deform under compressive stress.

Brittle materials absorb relatively little energy before fracture. Cast iron is a typical brittle metal.


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