Podcast
Questions and Answers
Which type of stress changes constantly in dynamic load applications?
Which type of stress changes constantly in dynamic load applications?
- Intensity of the stress
- Magnitude of the stress
- Direction of the stress (correct)
- Frequency of the stress
What type of stress can be cyclic or random in dynamic load applications?
What type of stress can be cyclic or random in dynamic load applications?
- Compressive stress
- Dynamic stress (correct)
- Bending stress
- Tensile stress
Which parameter values are useful for material selection and component dimensioning in statically loaded components?
Which parameter values are useful for material selection and component dimensioning in statically loaded components?
- Cyclic stress values
- Strength parameters from fatigue tests (correct)
- Dynamic load values
- Stress intensity values
What must components be designed to prevent in many applications?
What must components be designed to prevent in many applications?
In fatigue failure, what changes constantly along with the stress intensity?
In fatigue failure, what changes constantly along with the stress intensity?
What is the main cause of fatigue failure in materials subjected to repeated loading and unloading?
What is the main cause of fatigue failure in materials subjected to repeated loading and unloading?
In which type of stress cycle does the amplitude alternate from a maximum tensile stress to a minimum compressive stress of equal magnitude?
In which type of stress cycle does the amplitude alternate from a maximum tensile stress to a minimum compressive stress of equal magnitude?
What is the nature of fatigue failure in materials, even in normally ductile metals?
What is the nature of fatigue failure in materials, even in normally ductile metals?
What kind of stress is necessary for fatigue to occur in a material?
What kind of stress is necessary for fatigue to occur in a material?
Where is fatigue failure most commonly observed?
Where is fatigue failure most commonly observed?
