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Difference between Ductile and brittle materials

The materials which elongates more than 5% before fracture is called ductile material otherwise brittle materials. Gold, silver, copper are typical example ductile materials and cast iron, concrete are brittle materials.

In failure theories yield strength is used for ductile materials where as ultimate strength is used for brittle materials.

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Suvo is a production engineer by profession and writer/blogger by passion. Apart from maintaining this blog, he also get some freelance work like: Mechanical design, CAD, CAE, Assignment report writing, Website design.
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3 comments

  1. Engineer DHEERAJ

    THIS WEB SITE IS A BOON FOR MECHANICAL ENGG. STUDENTS….THANK U SIR, THANK U VERY MUCH………

  2. Achiaw Bismark

    when do we say a material is brittle?

  3. MechGuru

    In a crude way you can say a material brittle if a plate of it brakes without bending.

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