16 Questions
What type of stresses are components subjected to in dynamic loads?
Cyclic stress
Which test provides useful values for material selection and component dimensioning for statically loaded components?
Tensile test
What is the term used for failure in application due to the applied load on the material?
Permanent deformation
Which chapter discusses the 'Fatigue Failure Criteria'?
Chapter 4: Fatigue Failure and Design Against Fatigue
What types of loads cause not only constantly changing stress intensity but also changing direction of stress?
Dynamic loads
Which factor affects fatigue properties according to the text?
Temperature
What is the term for the failure of materials subjected to repeated loading and unloading, even at low loads?
Fatigue failure
Under what conditions does fatigue failure normally occur?
After a lengthy period of repeated stress or strain cycling
What type of stress is required for fatigue to occur?
Only tensile stress
Which type of failure is characteristic of fatigue failure?
Catastrophic failure
In which type of components or structures is fatigue failure a common phenomenon?
Biomedical implants
What is the term for the fluctuating stress-time mode where the amplitude is symmetrical about a mean zero stress level?
Reversed (pure alternating) stress cycle
What is the term for the fluctuating stress-time mode where the maximum and minimum stresses are asymmetric?
Asymmetric stress cycle
What type of deformation is associated with fatigue failure?
Gross plastic deformation
In what direction is the fracture surface usually oriented in fatigue failure?
Perpendicular to the direction of an applied tensile stress
What are some common examples of components prone to fatigue failure?
Crankshafts, drive shafts, gears, springs
Test your knowledge of fatigue failure and design against fatigue in mechanical engineering with this quiz covering topics like cyclic stresses, fatigue tests, S-N curve, fatigue failure criteria, and fatigue life improvement techniques.
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