Podcast
Questions and Answers
What type of stress is experienced by components subjected to dynamic loads?
What type of stress is experienced by components subjected to dynamic loads?
- Cyclic stress (correct)
- Random stress
- Compression stress
- Tensile stress
Which test provides useful values for material selection and component dimensioning for statically loaded components?
Which test provides useful values for material selection and component dimensioning for statically loaded components?
- Cyclic stress test
- Fatigue test
- Compression test
- Tensile test (correct)
What type of failure is caused by the applied load on the material in service application?
What type of failure is caused by the applied load on the material in service application?
- Permanent deformation failure (correct)
- Fracture failure
- Static failure
- Fatigue failure
What type of stress changes constantly in components subjected to dynamic loads?
What type of stress changes constantly in components subjected to dynamic loads?
What properties are obtained from the fatigue test result?
What properties are obtained from the fatigue test result?
What is the phenomenon known as when a material fails due to repeated loading and unloading, even at low loads?
What is the phenomenon known as when a material fails due to repeated loading and unloading, even at low loads?
Under what conditions does fatigue failure typically occur?
Under what conditions does fatigue failure typically occur?
What type of stress is necessary for fatigue to occur in a material?
What type of stress is necessary for fatigue to occur in a material?
In which components/structures is fatigue failure a common phenomenon?
In which components/structures is fatigue failure a common phenomenon?
What is the nature of fatigue failure in normally ductile metals?
What is the nature of fatigue failure in normally ductile metals?
What type of cycle has symmetrical amplitude about a mean zero stress level?
What type of cycle has symmetrical amplitude about a mean zero stress level?
What does the repeated (alternating) stress cycle involve?
What does the repeated (alternating) stress cycle involve?
In which type of stress cycle do the maximum and minimum stresses have equal magnitude?
In which type of stress cycle do the maximum and minimum stresses have equal magnitude?
Which of the following is a distinguishing feature of dynamic loads as compared to static loads?
Which of the following is a distinguishing feature of dynamic loads as compared to static loads?
In which type of fatigue tests does the stress intensity change constantly and the direction of the stress vary?
In which type of fatigue tests does the stress intensity change constantly and the direction of the stress vary?
What is the primary focus of fatigue life improvement techniques?
What is the primary focus of fatigue life improvement techniques?
Which type of failure mechanism is commonly associated with components subjected to dynamic loads?
Which type of failure mechanism is commonly associated with components subjected to dynamic loads?
What type of stresses are necessary for fatigue life improvement techniques to be most relevant?
What type of stresses are necessary for fatigue life improvement techniques to be most relevant?
What distinguishes fatigue failure from failure in application due to permanent deformation?
What distinguishes fatigue failure from failure in application due to permanent deformation?
What type of stress is necessary for fatigue to occur in a material?
What type of stress is necessary for fatigue to occur in a material?
What is the nature of fatigue failure in normally ductile metals?
What is the nature of fatigue failure in normally ductile metals?
Under what conditions does fatigue failure typically occur?
Under what conditions does fatigue failure typically occur?
What type of failure is caused by the applied load on the material in service application?
What type of failure is caused by the applied load on the material in service application?
What properties are obtained from the fatigue test result?
What properties are obtained from the fatigue test result?
In which type of stress cycle do the maximum and minimum stresses have equal magnitude?
In which type of stress cycle do the maximum and minimum stresses have equal magnitude?
What does the repeated (alternating) stress cycle involve?
What does the repeated (alternating) stress cycle involve?
What type of stress changes constantly in components subjected to dynamic loads?
What type of stress changes constantly in components subjected to dynamic loads?
