Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
Vaibhav Malani has created this Calculator and 200+ more calculators!
Anshika Arya
National Institute Of Technology (NIT), Hamirpur
Anshika Arya has verified this Calculator and 400+ more calculators!

6 Other formulas that you can solve using the same Inputs

Modifying factor to account for stress concentration
Modifying factor for stress concentration=Endurance Limit/(Endurance limit of a rotating beam specimen*Surface Finish Factor*Size Factor*Reliabilty Factor) GO
Endurance limit of rotating-beam specimen
Endurance limit of a rotating beam specimen=Endurance Limit/(Size Factor*Modifying factor for stress concentration*Reliabilty Factor*Surface Finish Factor) GO
Surface finish factor
Surface Finish Factor=Endurance Limit/(Endurance limit of a rotating beam specimen*Size Factor*Reliabilty Factor*Modifying factor for stress concentration) GO
Reliability Factor
Reliabilty Factor=Endurance Limit/(Endurance limit of a rotating beam specimen*Modifying factor for stress concentration*Surface Finish Factor*Size Factor) GO
Size Factor
Size Factor=Endurance Limit/(Endurance limit of a rotating beam specimen*Modifying factor for stress concentration*Reliabilty Factor*Surface Finish Factor) GO
Fatigue stress concentration factor in terms of Modifying factor to account for stress concentration
Fatigue Stress Concentration Factor=1/Modifying factor for stress concentration GO

3 Other formulas that calculate the same Output

Goodman Line Endurance limit
Endurance Limit=Stress Amplitude/(1-(Mean stress of the stress cycle/Ultimate Tensile strength)) GO
Soderberg line Endurance limit
Endurance Limit=Stress Amplitude/(1-(Mean stress of the stress cycle/Tensile Yield Strength)) GO
Endurance limit in terms of endurance limit for axial loading
Endurance Limit=Endurance Limit for axial loading/0.8 GO

Endurance limit Formula

Endurance Limit=Surface Finish Factor*Size Factor*Reliabilty Factor*Modifying factor for stress concentration*Endurance limit of a rotating beam specimen
S<sub>e</sub>=K<sub>a</sub>*K<sub>b</sub>*K<sub>c</sub>*K<sub>d</sub>*S'<sub>e</sub>
More formulas
Theoretical stress concentration factor GO
Theoretical stress concentration factor for ellipse GO
Mean stress GO
Stress Amplitude GO
Fatigue stress concentration factor GO
Notch sensitivity factor GO
Actual stress GO
Theoretical Stress GO
Notch sensitivity factor in terms of fatigue stress concentration factor GO
Fatigue stress concentration factor in terms of notch sensitivity factor GO
Endurance limit of a rotating beam specimen for steel GO
Endurance limit the stress of a rotating beam specimen for cast iron/steels GO
Endurance limit the stress of a rotating beam specimen for aluminium alloys GO
Endurance limit the stress of a rotating beam specimen for cast aluminium alloys GO
Endurance limit of rotating-beam specimen GO
Modifying factor to account for stress concentration GO
Size Factor GO
Reliability Factor GO
Modifying factor to account for stress concentration in terms of Fatigue stress concentration factor GO
Fatigue stress concentration factor in terms of Modifying factor to account for stress concentration GO
Endurance limit in terms of endurance limit for axial loading GO
Endurance limit for axial loading GO
Soderberg line mean stress GO
Soderberg line amplitude stress GO
Soderberg line tensile yield strength GO
Soderberg line Endurance limit GO
Goodman Line mean stress GO
Goodman Line amplitude stress GO
Goodman Line ultimate tensile strength GO
Goodman Line Endurance limit GO
Slope of line OE in Modified Goodman Diagram GO
Slope of line OE in Modified Goodman Diagram GO
Slope of line OE in Modified Goodman Diagram GO
Permissible mean stress GO
Limiting value of mean stress GO
Permissible stress amplitude GO
Limiting value of stress amplitude GO

What is endurance limit?

The fatigue or endurance limit of a material is defined as the maximum amplitude of completely reversed stress that the standard specimen can sustain for an unlimited number of cycles without fatigue failure.

How to Calculate Endurance limit?

Endurance limit calculator uses Endurance Limit=Surface Finish Factor*Size Factor*Reliabilty Factor*Modifying factor for stress concentration*Endurance limit of a rotating beam specimen to calculate the Endurance Limit, The Endurance limit formula is defined as the product of surface finish factor, size factor, reliability factor, and endurance limit of rotating-beam specimen. Endurance Limit and is denoted by Se symbol.

How to calculate Endurance limit using this online calculator? To use this online calculator for Endurance limit, enter Surface Finish Factor (Ka), Size Factor (Kb), Reliabilty Factor (Kc), Modifying factor for stress concentration (Kd) and Endurance limit of a rotating beam specimen (S'e) and hit the calculate button. Here is how the Endurance limit calculation can be explained with given input values -> 10 = 1*1*1*1*10.

FAQ

What is Endurance limit?
The Endurance limit formula is defined as the product of surface finish factor, size factor, reliability factor, and endurance limit of rotating-beam specimen and is represented as Se=Ka*Kb*Kc*Kd*S'e or Endurance Limit=Surface Finish Factor*Size Factor*Reliabilty Factor*Modifying factor for stress concentration*Endurance limit of a rotating beam specimen. The Surface Finish Factor Value, The Size Factor Value for fatigue stress, The Reliabilty Factor Value for fatigue stress, Modifying factor for stress concentration and Endurance limit of a rotating beam specimen.
How to calculate Endurance limit?
The Endurance limit formula is defined as the product of surface finish factor, size factor, reliability factor, and endurance limit of rotating-beam specimen is calculated using Endurance Limit=Surface Finish Factor*Size Factor*Reliabilty Factor*Modifying factor for stress concentration*Endurance limit of a rotating beam specimen. To calculate Endurance limit, you need Surface Finish Factor (Ka), Size Factor (Kb), Reliabilty Factor (Kc), Modifying factor for stress concentration (Kd) and Endurance limit of a rotating beam specimen (S'e). With our tool, you need to enter the respective value for Surface Finish Factor, Size Factor, Reliabilty Factor, Modifying factor for stress concentration and Endurance limit of a rotating beam specimen and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Endurance Limit?
In this formula, Endurance Limit uses Surface Finish Factor, Size Factor, Reliabilty Factor, Modifying factor for stress concentration and Endurance limit of a rotating beam specimen. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Endurance Limit=Endurance Limit for axial loading/0.8
  • Endurance Limit=Stress Amplitude/(1-(Mean stress of the stress cycle/Tensile Yield Strength))
  • Endurance Limit=Stress Amplitude/(1-(Mean stress of the stress cycle/Ultimate Tensile strength))
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