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In a typical stress-strain curve, point E represents:

In a typical stress-strain curve, point E represents: Correct Answer fracture point

CONCEPT:

  • Stress-Strain Curve determines how a material behaves how it has a relationship between the strain and stress for a given material.
    • We apply a force on a material cylinder and record the change in length at various applied forces to cause the strain.

The curve for steel looks as follows:

  • Yield Point: (Point B). The point up to which a material can withstand without permanent deformation and return to its original shape and size.
  • The yield point is also known as the elastic limit point.
  • Ultimate strength point: (Point B) The point up to which tells the maximum stress a material can withstand.
  • Breaking point: (Point E) the point of rupture or fracture.

EXPLANATION:

  • The endpoint of the stress-strain curve where the rupture occurs is called the fracture point.
  • In the given stress-strain curve, point E is the fracture point.
  • So, the correct answer is option 4.

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