Fatigue Stress Concentration Factor given Modifying Factor Solution

STEP 0: Pre-Calculation Summary
Formula Used
Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration
kf = 1/Kd
This formula uses 2 Variables
Variables Used
Fatigue Stress Concentration Factor - The Fatigue Stress Concentration Factor is defined as the ratio of endurance limit of the notch-free specimen to endurance limit of the notched specimen.
Modifying Factor for Stress Concentration - The Modifying Factor for Stress Concentration accounts for the effect of stress concentration on a specimen for cyclic loading.
STEP 1: Convert Input(s) to Base Unit
Modifying Factor for Stress Concentration: 0.34 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
kf = 1/Kd --> 1/0.34
Evaluating ... ...
kf = 2.94117647058824
STEP 3: Convert Result to Output's Unit
2.94117647058824 --> No Conversion Required
FINAL ANSWER
2.94117647058824 2.941176 <-- Fatigue Stress Concentration Factor
(Calculation completed in 00.004 seconds)

Credits

Created by Vaibhav Malani
National Institute of Technology (NIT), Tiruchirapalli
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National Institute Of Technology (NIT), Hamirpur
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15 Endurance Limit Approximate Estimation in Design Calculators

Modifying Factor to Account for Stress Concentration
Go Modifying Factor for Stress Concentration = Endurance Limit/(Endurance Limit of Rotating Beam Specimen*Surface Finish Factor*Size Factor*Reliabilty Factor)
Endurance Limit of Rotating Beam Specimen
Go Endurance Limit of Rotating Beam Specimen = Endurance Limit/(Size Factor*Modifying Factor for Stress Concentration*Reliabilty Factor*Surface Finish Factor)
Reliability Factor for Fluctuating Load
Go Reliabilty Factor = Endurance Limit/(Endurance Limit of Rotating Beam Specimen*Modifying Factor for Stress Concentration*Surface Finish Factor*Size Factor)
Surface Finish Factor of Specimen
Go Surface Finish Factor = Endurance Limit/(Endurance Limit of Rotating Beam Specimen*Size Factor*Reliabilty Factor*Modifying Factor for Stress Concentration)
Size Factor for Fluctuating Load
Go Size Factor = Endurance Limit/(Endurance Limit of Rotating Beam Specimen*Modifying Factor for Stress Concentration*Reliabilty Factor*Surface Finish Factor)
Endurance Limit of Specimen
Go Endurance Limit = Surface Finish Factor*Size Factor*Reliabilty Factor*Modifying Factor for Stress Concentration*Endurance Limit of Rotating Beam Specimen
Stress Amplitude for Fluctuating load given Maximum Stress and Minimum Stress
Go Stress Amplitude for Fluctuating Load = (Maximum Stress Value for Fluctuating Load-Minimum Stress Value for Fluctuating Load)/2
Modifying Factor for Fluctuating Load given Fatigue Stress Concentration Factor
Go Modifying Factor for Stress Concentration = 1/Fatigue Stress Concentration Factor
Fatigue Stress Concentration Factor given Modifying Factor
Go Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration
Endurance Limit Stress of Rotating Beam Specimen of Cast Aluminium Alloys
Go Endurance Limit of Rotating Beam Specimen = 0.3*Ultimate Tensile strength
Endurance Limit Stress of Rotating Beam Specimen of Cast Iron or Steels
Go Endurance Limit of Rotating Beam Specimen = 0.4*Ultimate Tensile strength
Endurance Limit Stress of Rotating Beam Specimen of Aluminium Alloys
Go Endurance Limit of Rotating Beam Specimen = 0.4*Ultimate Tensile strength
Endurance Limit of Rotating Beam Specimen of Steel
Go Endurance Limit of Rotating Beam Specimen = 0.5*Ultimate Tensile strength
Endurance Limit given Endurance Limit for Axial Loading
Go Endurance Limit = Endurance Limit for Axial Loading/0.8
Endurance Limit for Axial Loading
Go Endurance Limit for Axial Loading = 0.8*Endurance Limit

Fatigue Stress Concentration Factor given Modifying Factor Formula

Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration
kf = 1/Kd

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 Fatigue Stress Concentration Factor given Modifying Factor?

Fatigue Stress Concentration Factor given Modifying Factor calculator uses Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration to calculate the Fatigue Stress Concentration Factor, Fatigue Stress Concentration Factor given Modifying Factor formula is defined as the inverse of modifying factor for stress concentration. It is the ratio of the endurance limit of the notch-free specimen to the endurance limit of the notched specimen. Fatigue Stress Concentration Factor is denoted by kf symbol.

How to calculate Fatigue Stress Concentration Factor given Modifying Factor using this online calculator? To use this online calculator for Fatigue Stress Concentration Factor given Modifying Factor, enter Modifying Factor for Stress Concentration (Kd) and hit the calculate button. Here is how the Fatigue Stress Concentration Factor given Modifying Factor calculation can be explained with given input values -> 2.941176 = 1/0.34.

FAQ

What is Fatigue Stress Concentration Factor given Modifying Factor?
Fatigue Stress Concentration Factor given Modifying Factor formula is defined as the inverse of modifying factor for stress concentration. It is the ratio of the endurance limit of the notch-free specimen to the endurance limit of the notched specimen and is represented as kf = 1/Kd or Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration. The Modifying Factor for Stress Concentration accounts for the effect of stress concentration on a specimen for cyclic loading.
How to calculate Fatigue Stress Concentration Factor given Modifying Factor?
Fatigue Stress Concentration Factor given Modifying Factor formula is defined as the inverse of modifying factor for stress concentration. It is the ratio of the endurance limit of the notch-free specimen to the endurance limit of the notched specimen is calculated using Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration. To calculate Fatigue Stress Concentration Factor given Modifying Factor, you need Modifying Factor for Stress Concentration (Kd). With our tool, you need to enter the respective value for Modifying Factor for Stress Concentration and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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