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Daily Concept Booster Mechanical Engineering: Mechanical Properties

Mechanical Properties

Elasticity

The property of a material by virtue of it, the material regains its original dimension when the load is removed.

  • A body is said to be perfectly elastic if it regains its original dimension completely.

Plasticity

The property of a material by virtue of it, material does not regain its original dimension when the load is removed.

  • The material undergoes inelastic strain beyond the elastic limit.
  • This property is useful in Pressing, Forging, Rolling, etc.

Ductility

The property by virtue of it permits the material to be drawn out longitudinally by reducing its cross-section with the help of tensile forces.

  • Mostly useful in wire drawing.

Brittleness

The property by virtue of it does not permit the material to be drawn out longitudinally with the help of tensile forces.

  • Glass, cast iron, concrete and ceramic are brittle materials.

Malleability

The property by virtue of it permits the material to be flattened in all directions without any rupture.

Hardness

The ability of the material by virtue of it to resist indentation.

Toughness

The ability of the material by virtue of it absorbs the energy up to fracture in stress-strain curve.

  • It is important in cyclic loading, impact loading.

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Daily Concept Booster Mechanical Engineering: Mechanical Properties |_40.1

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Published by VINAYAK KUMAR

Graduated from BIT Sindri, Postgraduated from IIT BHU Varanasi

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