Mean stress of stress cycle (fatigue) Solution

STEP 0: Pre-Calculation Summary
Formula Used
Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2
σm = (σtmax+σmin)/2
This formula uses 3 Variables
Variables Used
Mean Stress of Stress Cycle - (Measured in Pascal) - Mean Stress of Stress Cycle is defined as the amount of mean stress acting when a material or component is subjected to fluctuating stress.
Maximum Tensile Stress - (Measured in Pascal) - Maximum Tensile Stress is the maximum amount of force per unit area acting onto the specimen so that it to prone to getting stretched.
Minimum compressive stress - (Measured in Pascal) - Minimum compressive stress in a cyclic load during fatigue.
STEP 1: Convert Input(s) to Base Unit
Maximum Tensile Stress: 50 Megapascal --> 50000000 Pascal (Check conversion here)
Minimum compressive stress: 40 Megapascal --> 40000000 Pascal (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
σm = (σtmaxmin)/2 --> (50000000+40000000)/2
Evaluating ... ...
σm = 45000000
STEP 3: Convert Result to Output's Unit
45000000 Pascal --> No Conversion Required
FINAL ANSWER
45000000 4.5E+7 Pascal <-- Mean Stress of Stress Cycle
(Calculation completed in 00.004 seconds)

Credits

Created by Hariharan V S
Indian Institute of Technology (IIT), Chennai
Hariharan V S has created this Calculator and 25+ more calculators!
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12 Failure Testing in Materials Calculators

Fracture toughness
Go Fracture Toughness = Dimensionless Parameter in Fracture Toughness*Applied stress*sqrt(pi*Crack Length)
Critical stress for crack propagation
Go Critical stress = sqrt(2*Young's Modulus*Specific surface energy/(pi*Crack Length))
Percent cold work
Go Percent cold work = 100*(Cross-sectional Area-Area after deformation)/Cross-sectional Area
Percent reduction in area
Go Percent reduction in area = (Cross-sectional Area-Fracture area)*100/Cross-sectional Area
Percent elongation
Go Percent elongation = (Fracture Length-Initial Length)*100/Initial Length
Stress concentration factor
Go Stress Concentration Factor = 2*sqrt(Crack Length/Radius of curvature)
Mean stress of stress cycle (fatigue)
Go Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2
Maximum stress at crack tip
Go Maximum Stress at Crack Tip = Stress Concentration Factor*Applied stress
Range of stress (fatigue)
Go Range of stress = Maximum Tensile Stress-Minimum compressive stress
Stress ratio (fatigue)
Go Stress ratio = Minimum compressive stress/Maximum Tensile Stress
Modulus of resilience
Go Modulus of Resilience = Yield Strength^2/(2*Young's Modulus)
Stress amplitude (fatigue)
Go Stress Amplitude = Range of stress/2

Mean stress of stress cycle (fatigue) Formula

Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2
σm = (σtmax+σmin)/2

Fatigue

Fatigue is a form of failure that occurs in structures subjected to dynamic and fluctuating stresses (e.g., bridges, aircraft, and machine components). Under these circumstances it is possible for failure to occur at a stress level considerably lower than
the tensile or yield strength for a static load.

How to Calculate Mean stress of stress cycle (fatigue)?

Mean stress of stress cycle (fatigue) calculator uses Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2 to calculate the Mean Stress of Stress Cycle, Mean stress of stress cycle (fatigue) defined as the average of the maximum and minimum stresses in the cycle. Mean Stress of Stress Cycle is denoted by σm symbol.

How to calculate Mean stress of stress cycle (fatigue) using this online calculator? To use this online calculator for Mean stress of stress cycle (fatigue), enter Maximum Tensile Stress tmax) & Minimum compressive stress min) and hit the calculate button. Here is how the Mean stress of stress cycle (fatigue) calculation can be explained with given input values -> 4.5E+7 = (50000000+40000000)/2.

FAQ

What is Mean stress of stress cycle (fatigue)?
Mean stress of stress cycle (fatigue) defined as the average of the maximum and minimum stresses in the cycle and is represented as σm = (σtmaxmin)/2 or Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2. Maximum Tensile Stress is the maximum amount of force per unit area acting onto the specimen so that it to prone to getting stretched & Minimum compressive stress in a cyclic load during fatigue.
How to calculate Mean stress of stress cycle (fatigue)?
Mean stress of stress cycle (fatigue) defined as the average of the maximum and minimum stresses in the cycle is calculated using Mean Stress of Stress Cycle = (Maximum Tensile Stress+Minimum compressive stress)/2. To calculate Mean stress of stress cycle (fatigue), you need Maximum Tensile Stress tmax) & Minimum compressive stress min). With our tool, you need to enter the respective value for Maximum Tensile Stress & Minimum compressive stress 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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