What is fatigue? Explain different stages of fatigue fractures with a neat sketch.
Understand the Problem
The question is asking for an explanation of what fatigue is and a detailed description of the various stages of fatigue fractures, including a neat sketch. This implies a need for knowledge about material science or engineering concepts related to fatigue in materials.
Answer
The three stages of fatigue fractures are crack initiation, crack propagation, and final rupture.
Fatigue is the initiation and growth of cracks in materials under cyclic loading, leading eventually to failure. The three stages of fatigue fractures are crack initiation, crack propagation, and final rupture.
Answer for screen readers
Fatigue is the initiation and growth of cracks in materials under cyclic loading, leading eventually to failure. The three stages of fatigue fractures are crack initiation, crack propagation, and final rupture.
More Information
Fatigue fractures occur due to repeated cyclic loading, which differs from other types of fractures that occur from a single load application. It often begins at areas of stress concentration.
Tips
A common mistake is to overlook the environmental and loading conditions that can affect how quickly a material reaches each fatigue stage.
Sources
- Fatigue Analysis and Stages - Grasp Engineering - graspengineering.com
- Fatigue Failure Overview - ScienceDirect Topics - sciencedirect.com
- Fatigue (material) - Wikipedia - en.wikipedia.org
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