Types of Material Failure

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Questions and Answers

In what stage do microvoids nucleate and grow according to the concept discussed?

  • During plastic deformation (correct)
  • Before microscopic failure
  • After macroscopic failure
  • At the initiation of failure

What is the main focus of microscopic failure?

  • Load-carrying capacity
  • Crack propagation and initiation (correct)
  • Energy storage capacity
  • Damage failure

Which type of failure is defined in terms of load-carrying capacity or energy storage capacity?

  • Microscopic failure
  • Damage failure
  • Stress or strain failure
  • Energy-type failure (correct)

What causes the coalescence of neighbouring voids in the context of material failure?

<p>Fracture of the intervoid matrix (D)</p> Signup and view all the answers

Which of the following is NOT listed as one of the typical Failure Mechanisms for mechanical components within systems?

<p>Slip (B)</p> Signup and view all the answers

What role do microvoids play in the process of material failure?

<p>Nucleate and grow during plastic deformation (A)</p> Signup and view all the answers

Under what condition does macroscopic failure occur?

<p>When load-carrying capacity is reached (A)</p> Signup and view all the answers

What is a 'good practice' to prevent corrosion according to the text?

<p>Keep metals isolated from others that are more or less chemically active (D)</p> Signup and view all the answers

Which method can be used to prevent erosion according to the text?

<p>Providing protection where forms of erosion are possible (C)</p> Signup and view all the answers

What should be done in systems to handle all expected loadings within normal design tolerances according to the text?

<p>Provide capabilities for loading at worst-case conditions (C)</p> Signup and view all the answers

Which of the following is NOT a method by which a material can fail according to the text?

<p>Thermal insulation (B)</p> Signup and view all the answers

What does ensuring properly maintained seals in systems provide, as mentioned in the text?

<p>Ensures that enclosures provide protection (E)</p> Signup and view all the answers

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