Residual Shear Stress in Shaft when r Lies between Material Constant and r2 Solution

STEP 0: Pre-Calculation Summary
Formula Used
Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))
ζshaft_res = 𝝉0*(1-(4*r*(1-((1/4)*(ρ/r2)^3)-(((3*r1)/(4*ρ))*(r1/r2)^3)))/(3*r2*(1-(r1/r2)^4)))
This formula uses 6 Variables
Variables Used
Residual Shear Stress in Shaft - (Measured in Pascal) - Residual Shear Stress in Shaft can be defined as the algebraic sum of applied stress and recovery stress.
Yield Stress in Shear - (Measured in Pascal) - Yield Stress in Shear is the yield stress of the shaft in shear conditions.
Radius Yielded - (Measured in Meter) - Radius Yielded is the remaining stress in a material after the original cause of the stress has been removed, affecting its structural integrity and durability.
Radius of Plastic Front - (Measured in Meter) - Radius of Plastic Front is the distance from the center of the material to the point where plastic deformation occurs due to residual stresses.
Outer Radius of Shaft - (Measured in Meter) - Outer Radius of Shaft is the distance from the center of the shaft to its outer surface, affecting residual stresses in the material.
Inner Radius of Shaft - (Measured in Meter) - Inner Radius of Shaft is the internal radius of a shaft, which is a critical dimension in mechanical engineering, affecting stress concentrations and structural integrity.
STEP 1: Convert Input(s) to Base Unit
Yield Stress in Shear: 145 Megapascal --> 145000000 Pascal (Check conversion ​here)
Radius Yielded: 60 Millimeter --> 0.06 Meter (Check conversion ​here)
Radius of Plastic Front: 80 Millimeter --> 0.08 Meter (Check conversion ​here)
Outer Radius of Shaft: 100 Millimeter --> 0.1 Meter (Check conversion ​here)
Inner Radius of Shaft: 40 Millimeter --> 0.04 Meter (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ζshaft_res = 𝝉0*(1-(4*r*(1-((1/4)*(ρ/r2)^3)-(((3*r1)/(4*ρ))*(r1/r2)^3)))/(3*r2*(1-(r1/r2)^4))) --> 145000000*(1-(4*0.06*(1-((1/4)*(0.08/0.1)^3)-(((3*0.04)/(4*0.08))*(0.04/0.1)^3)))/(3*0.1*(1-(0.04/0.1)^4)))
Evaluating ... ...
ζshaft_res = 44047619.0476191
STEP 3: Convert Result to Output's Unit
44047619.0476191 Pascal -->44.0476190476191 Megapascal (Check conversion ​here)
FINAL ANSWER
44.0476190476191 44.04762 Megapascal <-- Residual Shear Stress in Shaft
(Calculation completed in 00.004 seconds)

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Residual Stresses For Idealized Stress Strain Law Calculators

Residual Shear Stress in Shaft when r Lies between r1 and Material Constant
​ LaTeX ​ Go Residual Shear Stress in Shaft = (Yield Stress in Shear*Radius Yielded/Radius of Plastic Front-(((4*Yield Stress in Shear*Radius Yielded)/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))*(1-1/4*(Radius of Plastic Front/Outer Radius of Shaft)^3-(3*Inner Radius of Shaft)/(4*Radius of Plastic Front)*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))
Residual Shear Stress in Shaft when r Lies between Material Constant and r2
​ LaTeX ​ Go Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))
Recovery Elasto Plastic Torque
​ LaTeX ​ Go Recovery Elasto Plastic Torque = -(pi*Yield Stress in Shear*(Radius of Plastic Front^3/2*(1-(Inner Radius of Shaft/Radius of Plastic Front)^4)+(2/3*Outer Radius of Shaft^3)*(1-(Radius of Plastic Front/Outer Radius of Shaft)^3)))
Residual Shear Stress in Shaft for Fully Plastic Case
​ LaTeX ​ Go Residual Shear Stress in fully Plastic Yielding = Yield Stress in Shear*(1-(4*Radius Yielded*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^3))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))

Residual Shear Stress in Shaft when r Lies between Material Constant and r2 Formula

​LaTeX ​Go
Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))
ζshaft_res = 𝝉0*(1-(4*r*(1-((1/4)*(ρ/r2)^3)-(((3*r1)/(4*ρ))*(r1/r2)^3)))/(3*r2*(1-(r1/r2)^4)))

How Residual Stresses are Generated in Shafts?

When a shaft is twisted, it starts yielding once the shear stress crosses its yield limit. Torque applied may be elasto-plastic or fully plastic. This process is called LOADING. When the shaft so twisted is applied with a torque of same magnitude in the opposite direction, then the recovery of stress takes place. This process is called UNLOADING. The process of UNLOADING is always assumed to be elastic following a linear stress-strain relation. But for a plastically twisted shaft, the recovery doesn’t take place fully. Therefore some amount of stresses are left over or locked. Such stresses are called the residual stresses.

How to Calculate Residual Shear Stress in Shaft when r Lies between Material Constant and r2?

Residual Shear Stress in Shaft when r Lies between Material Constant and r2 calculator uses Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4))) to calculate the Residual Shear Stress in Shaft, Residual Shear Stress in Shaft when r Lies between Material Constant and r2 formula is defined as a measure of the remaining shear stress in a shaft after considering the material's properties and radial distance, providing a critical value for shaft design and material selection. Residual Shear Stress in Shaft is denoted by ζshaft_res symbol.

How to calculate Residual Shear Stress in Shaft when r Lies between Material Constant and r2 using this online calculator? To use this online calculator for Residual Shear Stress in Shaft when r Lies between Material Constant and r2, enter Yield Stress in Shear (𝝉0), Radius Yielded (r), Radius of Plastic Front (ρ), Outer Radius of Shaft (r2) & Inner Radius of Shaft (r1) and hit the calculate button. Here is how the Residual Shear Stress in Shaft when r Lies between Material Constant and r2 calculation can be explained with given input values -> 4.4E-5 = 145000000*(1-(4*0.06*(1-((1/4)*(0.08/0.1)^3)-(((3*0.04)/(4*0.08))*(0.04/0.1)^3)))/(3*0.1*(1-(0.04/0.1)^4))).

FAQ

What is Residual Shear Stress in Shaft when r Lies between Material Constant and r2?
Residual Shear Stress in Shaft when r Lies between Material Constant and r2 formula is defined as a measure of the remaining shear stress in a shaft after considering the material's properties and radial distance, providing a critical value for shaft design and material selection and is represented as ζshaft_res = 𝝉0*(1-(4*r*(1-((1/4)*(ρ/r2)^3)-(((3*r1)/(4*ρ))*(r1/r2)^3)))/(3*r2*(1-(r1/r2)^4))) or Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4))). Yield Stress in Shear is the yield stress of the shaft in shear conditions, Radius Yielded is the remaining stress in a material after the original cause of the stress has been removed, affecting its structural integrity and durability, Radius of Plastic Front is the distance from the center of the material to the point where plastic deformation occurs due to residual stresses, Outer Radius of Shaft is the distance from the center of the shaft to its outer surface, affecting residual stresses in the material & Inner Radius of Shaft is the internal radius of a shaft, which is a critical dimension in mechanical engineering, affecting stress concentrations and structural integrity.
How to calculate Residual Shear Stress in Shaft when r Lies between Material Constant and r2?
Residual Shear Stress in Shaft when r Lies between Material Constant and r2 formula is defined as a measure of the remaining shear stress in a shaft after considering the material's properties and radial distance, providing a critical value for shaft design and material selection is calculated using Residual Shear Stress in Shaft = Yield Stress in Shear*(1-(4*Radius Yielded*(1-((1/4)*(Radius of Plastic Front/Outer Radius of Shaft)^3)-(((3*Inner Radius of Shaft)/(4*Radius of Plastic Front))*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4))). To calculate Residual Shear Stress in Shaft when r Lies between Material Constant and r2, you need Yield Stress in Shear (𝝉0), Radius Yielded (r), Radius of Plastic Front (ρ), Outer Radius of Shaft (r2) & Inner Radius of Shaft (r1). With our tool, you need to enter the respective value for Yield Stress in Shear, Radius Yielded, Radius of Plastic Front, Outer Radius of Shaft & Inner Radius of Shaft 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 Residual Shear Stress in Shaft?
In this formula, Residual Shear Stress in Shaft uses Yield Stress in Shear, Radius Yielded, Radius of Plastic Front, Outer Radius of Shaft & Inner Radius of Shaft. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Residual Shear Stress in Shaft = (Yield Stress in Shear*Radius Yielded/Radius of Plastic Front-(((4*Yield Stress in Shear*Radius Yielded)/(3*Outer Radius of Shaft*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))*(1-1/4*(Radius of Plastic Front/Outer Radius of Shaft)^3-(3*Inner Radius of Shaft)/(4*Radius of Plastic Front)*(Inner Radius of Shaft/Outer Radius of Shaft)^3)))
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