Tuesday 29 August 2017

Engineering Materials Ductile Vs Brittle

When you select the material for design, you must be very sure about functionality and applications of the product. There are different aspects that can affect the product such as Yielding, Toughness, Hardness, Thermal conductivity etc.

Ductile materials are those which can undergo plastic deformation under the tensile loading and it is the ability to be drawn into wire. Ductile materials are generally used in metal forming processes.

Brittle materials do not undergo any plastic deformation that's why they fracture if load exceed yielding value. Brittle material are harder then ductile materials. Glass, Ceramic, Gray Cast Iron are some of the brittle materials examples. Brittle has less energy absorbing capacity.

In Brittle materials fracture occur before yield point but ductile materials go beyond yield point. 
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