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What is the primary reason for the phenomenon of plastic deformation in material

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Question: What is the primary reason for the phenomenon of plastic deformation in materials? (2023)

Options:

  1. Elastic limit
  2. Yield strength
  3. Ultimate tensile strength
  4. Ductility

Correct Answer: Yield strength

Exam Year: 2023

Solution:

Plastic deformation occurs when the material is subjected to stress beyond its yield strength.

What is the primary reason for the phenomenon of plastic deformation in material

Practice Questions

Q1
What is the primary reason for the phenomenon of plastic deformation in materials? (2023)
  1. Elastic limit
  2. Yield strength
  3. Ultimate tensile strength
  4. Ductility

Questions & Step-by-Step Solutions

What is the primary reason for the phenomenon of plastic deformation in materials? (2023)
  • Step 1: Understand what plastic deformation means. It is when a material changes shape permanently.
  • Step 2: Learn about stress. Stress is the force applied to a material.
  • Step 3: Know about yield strength. Yield strength is the maximum stress a material can handle before it starts to deform permanently.
  • Step 4: Realize that when the stress applied to a material exceeds its yield strength, the material will undergo plastic deformation.
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