In which of the following cases does a material exhibit plastic deformation?

Practice Questions

Q1
In which of the following cases does a material exhibit plastic deformation?
  1. When the stress is below the yield point
  2. When the stress exceeds the yield point
  3. When the material is unloaded
  4. When the material is cooled

Questions & Step-by-Step Solutions

In which of the following cases does a material exhibit plastic deformation?
  • Step 1: Understand what plastic deformation means. It is when a material changes shape permanently after being stressed.
  • Step 2: Know what stress is. Stress is the force applied to a material divided by the area over which the force is applied.
  • Step 3: Learn about the yield point. The yield point is the amount of stress at which a material begins to deform plastically.
  • Step 4: Identify when plastic deformation occurs. It happens when the applied stress is greater than the yield point of the material.
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