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Fatigue Stress Concentration Factor given Modifying Factor Formula

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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. Check FAQs

k f = \frac{1}{K d}

k_f - Fatigue Stress Concentration Factor?K_d - Modifying Factor for Stress Concentration?

Fatigue Stress Concentration Factor given Modifying Factor Example

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Here is how the Fatigue Stress Concentration Factor given Modifying Factor equation looks like with Values.

Here is how the Fatigue Stress Concentration Factor given Modifying Factor equation looks like with Units.

Here is how the Fatigue Stress Concentration Factor given Modifying Factor equation looks like.

2.9412 = \frac{1}{0.34}

2.9412 = \frac{1}{0.34}

2.9412 = \frac{1}{0.34}

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Fatigue Stress Concentration Factor given Modifying Factor Solution

Follow our step by step solution on how to calculate Fatigue Stress Concentration Factor given Modifying Factor?

FIRST Step Consider the formula

k f = \frac{1}{K d}

Next Step Substitute values of Variables

∴

k f = \frac{1}{0.34}

Next Step Prepare to Evaluate

∴

k f = \frac{1}{0.34}

Next Step Evaluate

∴

k f = 2.94117647058824

LAST Step Rounding Answer

∴

k f = 2.9412

Fatigue Stress Concentration Factor given Modifying Factor Formula Elements

Variables

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.

Symbol: k_f

Measurement: NAUnit: Unitless

Note: Value should be greater than 1.

Formulas to find Fatigue Stress Concentration Factor

Modifying Factor for Stress Concentration

The Modifying Factor for Stress Concentration accounts for the effect of stress concentration on a specimen for cyclic loading.

Symbol: K_d

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Modifying Factor for Stress Concentration

Other formulas in Endurance Limit Approximate Estimation in Design category

Go Stress Amplitude for Fluctuating load given Maximum Stress and Minimum Stress

σ a = \frac{σ max fl - σ min fl}{2}

Go Endurance Limit of Rotating Beam Specimen of Steel

S' e = 0.5 \cdot σ ut

Go Endurance Limit Stress of Rotating Beam Specimen of Cast Iron or Steels

S' e = 0.4 \cdot σ ut

Go Endurance Limit Stress of Rotating Beam Specimen of Aluminium Alloys

S' e = 0.4 \cdot σ ut

How to Evaluate Fatigue Stress Concentration Factor given Modifying Factor?

Fatigue Stress Concentration Factor given Modifying Factor evaluator uses Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration to evaluate 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 k_f symbol.

How to evaluate Fatigue Stress Concentration Factor given Modifying Factor using this online evaluator? To use this online evaluator for Fatigue Stress Concentration Factor given Modifying Factor, enter Modifying Factor for Stress Concentration (K_d) and hit the calculate button.

FAQs on Fatigue Stress Concentration Factor given Modifying Factor

What is the formula to find Fatigue Stress Concentration Factor given Modifying Factor?

The formula of Fatigue Stress Concentration Factor given Modifying Factor is expressed as Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration. Here is an example- 2.941176 = 1/0.34.

How to calculate Fatigue Stress Concentration Factor given Modifying Factor?

With Modifying Factor for Stress Concentration (K_d) we can find Fatigue Stress Concentration Factor given Modifying Factor using the formula - Fatigue Stress Concentration Factor = 1/Modifying Factor for Stress Concentration.

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