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Which of the following statements is correct for ductile materials.

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in Physics – Class 11 by (74.2k points)
Which of the following statements is correct for ductile materials.

(a) Large deformation takes place between elastic limit and fracture point

(b) Have no proportional limit

(c) Break immediately after proportional limit

(d) Cannot be drawn into wires

This question was posed to me during a job interview.

This question is from Solids Mechanical Properties in portion Mechanical Properties of Solids of Physics – Class 11

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The correct choice is (a) Large deformation takes place between elastic limit and fracture point

The explanation is: Ductile materials are those which can be drawn into wires as they deform by a significant amount between elastic limit and fracture point. The stress-strain curve of a ductile material looks like:

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