Question

what is ductility......​

Answer 1

Ductility is a measure of a material's ability to undergo significant plastic deformation before rupture or breaking, which may be expressed as percent elongation or percent area reduction from a tensile test. According to Shigley's Mechanical Engineering Design significant denotes about 5.0 percent elongation.

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Answer 2

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• Ductility is when a solid material stretches under tensile strain.

• If ductile, a material may be stretched into a wire.

• Ductility is the most important characteristic of all metals, not just some.