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Questions and Answers
What is fatigue in structures?
What is fatigue in structures?
- A type of failure that occurs under repeatedly applied loads (correct)
- A type of failure that occurs under tensile loads
- A type of failure that occurs under compressive loads
- A type of failure that occurs under static loads
What is the purpose of a fatigue test?
What is the purpose of a fatigue test?
- To test the tensile strength of a material
- To test the durability of a material under cyclic loading (correct)
- To test the hardness of a material
- To test the yield strength of a material
What type of cyclic loading is commonly used in testing?
What type of cyclic loading is commonly used in testing?
- Repeated stress cycle
- Random stress cycle
- Reversed stress cycle (correct)
- Uniaxial stress cycle
What is the formula for mean stress (σm)?
What is the formula for mean stress (σm)?
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What is the formula for stress amplitude (σa)?
What is the formula for stress amplitude (σa)?
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What is the purpose of an S-N curve?
What is the purpose of an S-N curve?
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What type of fatigue tester is used for axial loading?
What type of fatigue tester is used for axial loading?
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What is the formula for stress range (σr)?
What is the formula for stress range (σr)?
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What is the stress ratio (R) formula?
What is the stress ratio (R) formula?
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