Mechanical Engineering - Engineering Materials - Discussion

Plasticity is property of a material which retains the deformation produced under load permanently. This property of material is necessary for forgings, in stamping images on coins, and in ornamental work.

It is Malleability.

How its b?

Malleability is the correct answer.

In forging, material should be plastically deformed.

I think it is malleability.

Malleability is correct.

I agree with the given answer.

Answer B plasticity is right. I agree with the given answer.

The correct answer is Ductility.

Ductility is the property of a material that allows it to be drawn out or deformed without breaking, making it ideal for applications like:

- Forgings: Shaping metal into desired forms
- Stamping images on coins: Allowing for detailed designs and shapes
- Ornamental work: Creating intricate designs and patterns

Ductility enables materials to be:

- Stretched
- Bent
- Drawn out
- Shaped without breaking or cracking.

Here's a brief overview of the other options:

- Elasticity: Ability of a material to return to its original shape after deformation (e.g., rubber)
- Plasticity: Ability of a material to deform without breaking, but not necessarily returning to its original shape (e.g., clay)
- Malleability: Ability of a material to be shaped or formed without breaking, but not necessarily drawn out or deformed (e.g., gold leaf)

While malleability is related to ductility, ductility is the more specific property required for the mentioned applications.