Fatigue Stress Concentration Factor given Notch Sensitivity Factor Calculator

✖The Notch Sensitivity Factor is defined as the ratio of increase of actual stress over nominal stress to increase of theoretical stress over nominal stress.ⓘ Notch Sensitivity Factor [q]			+10% -10%
✖Theoretical Stress Concentration Factor is defined as the ratio of the highest value of actual stress near discontinuity to nominal stress obtained by elementary equations for minimum cross-section.ⓘ Theoretical Stress Concentration Factor [k_t]			+10% -10%

✖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.ⓘ Fatigue Stress Concentration Factor given Notch Sensitivity Factor [k_f]

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Fatigue Stress Concentration Factor given Notch Sensitivity Factor Solution

STEP 0: Pre-Calculation Summary

Formula Used

Fatigue Stress Concentration Factor = 1+Notch Sensitivity Factor*(Theoretical Stress Concentration Factor-1)
k_f = 1+q*(k_t-1)
This formula uses 3 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.
Notch Sensitivity Factor - The Notch Sensitivity Factor is defined as the ratio of increase of actual stress over nominal stress to increase of theoretical stress over nominal stress.
Theoretical Stress Concentration Factor - Theoretical Stress Concentration Factor is defined as the ratio of the highest value of actual stress near discontinuity to nominal stress obtained by elementary equations for minimum cross-section.

STEP 1: Convert Input(s) to Base Unit

Notch Sensitivity Factor: 0.5 --> No Conversion Required
Theoretical Stress Concentration Factor: 3 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

k_f = 1+q*(k_t-1) --> 1+0.5*(3-1)

Evaluating ... ...

k_f = 2

STEP 3: Convert Result to Output's Unit

2 --> No Conversion Required

FINAL ANSWER

2 <-- Fatigue Stress Concentration Factor

(Calculation completed in 00.004 seconds)

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Created by Vaibhav Malani

National Institute of Technology (NIT), Tiruchirapalli

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Institute of Aeronautical Engineering (IARE), Hyderabad

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< Notch Sensitivity for Fluctuating Loads Calculators

Notch Sensitivity Factor

LaTeX Go Notch Sensitivity Factor = Increase of Actual Stress over Nominal Stress/Increase of Theoretical Stress over Nominal Stress

Fatigue Stress Concentration Factor

LaTeX Go Fatigue Stress Concentration Factor = Endurance Limit of Notch Free Specimen/Endurance Limit of Notched Specimen

Notch Sensitivity Factor given Fatigue Stress Concentration Factor

LaTeX Go Notch Sensitivity Factor = (Fatigue Stress Concentration Factor-1)/(Theoretical Stress Concentration Factor-1)

Theoretical Stress for Fluctuating Load

LaTeX Go Theoretical Stress = Nominal Stress*Theoretical Stress Concentration Factor

Fatigue Stress Concentration Factor given Notch Sensitivity Factor Formula

LaTeX Go

Fatigue Stress Concentration Factor = 1+Notch Sensitivity Factor*(Theoretical Stress Concentration Factor-1)
k_f = 1+q*(k_t-1)

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 Notch Sensitivity Factor?

Fatigue Stress Concentration Factor given Notch Sensitivity Factor calculator uses Fatigue Stress Concentration Factor = 1+Notch Sensitivity Factor*(Theoretical Stress Concentration Factor-1) to calculate the Fatigue Stress Concentration Factor, Fatigue Stress Concentration Factor given Notch Sensitivity Factor formula is defined as one added to the product of notch sensitivity factor and the term one subtracted from theoretical stress concentration factor. It is the ratio of endurance limit of the notch-free specimen to the endurance limit of the notched specimen. Fatigue Stress Concentration Factor is denoted by k_f symbol.

How to calculate Fatigue Stress Concentration Factor given Notch Sensitivity Factor using this online calculator? To use this online calculator for Fatigue Stress Concentration Factor given Notch Sensitivity Factor, enter Notch Sensitivity Factor (q) & Theoretical Stress Concentration Factor (k_t) and hit the calculate button. Here is how the Fatigue Stress Concentration Factor given Notch Sensitivity Factor calculation can be explained with given input values -> 2 = 1+0.5*(3-1).

FAQ

What is Fatigue Stress Concentration Factor given Notch Sensitivity Factor?

Fatigue Stress Concentration Factor given Notch Sensitivity Factor formula is defined as one added to the product of notch sensitivity factor and the term one subtracted from theoretical stress concentration factor. It is the ratio of endurance limit of the notch-free specimen to the endurance limit of the notched specimen and is represented as k_f = 1+q*(k_t-1) or Fatigue Stress Concentration Factor = 1+Notch Sensitivity Factor*(Theoretical Stress Concentration Factor-1). The Notch Sensitivity Factor is defined as the ratio of increase of actual stress over nominal stress to increase of theoretical stress over nominal stress & Theoretical Stress Concentration Factor is defined as the ratio of the highest value of actual stress near discontinuity to nominal stress obtained by elementary equations for minimum cross-section.

How to calculate Fatigue Stress Concentration Factor given Notch Sensitivity Factor?

Fatigue Stress Concentration Factor given Notch Sensitivity Factor formula is defined as one added to the product of notch sensitivity factor and the term one subtracted from theoretical stress concentration factor. It is the ratio of endurance limit of the notch-free specimen to the endurance limit of the notched specimen is calculated using Fatigue Stress Concentration Factor = 1+Notch Sensitivity Factor*(Theoretical Stress Concentration Factor-1). To calculate Fatigue Stress Concentration Factor given Notch Sensitivity Factor, you need Notch Sensitivity Factor (q) & Theoretical Stress Concentration Factor (k_t). With our tool, you need to enter the respective value for Notch Sensitivity Factor & Theoretical Stress Concentration Factor 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 Fatigue Stress Concentration Factor?

In this formula, Fatigue Stress Concentration Factor uses Notch Sensitivity Factor & Theoretical Stress Concentration Factor. We can use 1 other way(s) to calculate the same, which is/are as follows -

Fatigue Stress Concentration Factor = Endurance Limit of Notch Free Specimen/Endurance Limit of Notched Specimen

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