Residual Shear Stress in Shaft for Fully Plastic Case Calculator

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Residual Stresses in Plastic Bending

✖Yield Stress in Shear is the yield stress of the shaft in shear conditions.ⓘ Yield Stress in Shear [𝝉₀]			+10% -10%
✖Radius Yielded is the yielded portion of shaft under load.ⓘ Radius Yielded [r]			+10% -10%
✖Inner Radius of Shaft is the internal radius of shaft.ⓘ Inner Radius of Shaft [r₁]			+10% -10%
✖Outer Radius of Shaft is the external radius of shaft.ⓘ Outer Radius of Shaft [r₂]			+10% -10%

✖Residual Shear Stress in fully Plastic Yielding can be defined as the algebraic sum of applied stress and recovery stress.ⓘ Residual Shear Stress in Shaft for Fully Plastic Case [ζ_{f_res}]

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Formula

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Residual Shear Stress in Shaft for Fully Plastic Case

Formula

`"ζ"_{"f_res"} = "𝝉"_{"0"}*(1-(4*"r"*(1-("r"_{"1"}/"r"_{"2"})^3))/(3*"r"_{"2"}*(1-("r"_{"1"}/"r"_{"2"})^4)))`

Example

`"33.57143MPa"="145MPa"*(1-(4*"60mm"*(1-("40mm"/"100mm")^3))/(3*"100mm"*(1-("40mm"/"100mm")^4)))`

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Residual Shear Stress in Shaft for Fully Plastic Case Solution

STEP 0: Pre-Calculation Summary

Formula Used

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)))
ζ_{f_res} = 𝝉₀*(1-(4*r*(1-(r₁/r₂)^3))/(3*r₂*(1-(r₁/r₂)^4)))
This formula uses 5 Variables

Variables Used

Residual Shear Stress in fully Plastic Yielding - (Measured in Pascal) - Residual Shear Stress in fully Plastic Yielding 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 yielded portion of shaft under load.
Inner Radius of Shaft - (Measured in Meter) - Inner Radius of Shaft is the internal radius of shaft.
Outer Radius of Shaft - (Measured in Meter) - Outer Radius of Shaft is the external radius of shaft.

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)
Inner Radius of Shaft: 40 Millimeter --> 0.04 Meter (Check conversion here)
Outer Radius of Shaft: 100 Millimeter --> 0.1 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ζ_{f_res} = 𝝉₀*(1-(4*r*(1-(r₁/r₂)^3))/(3*r₂*(1-(r₁/r₂)^4))) --> 145000000*(1-(4*0.06*(1-(0.04/0.1)^3))/(3*0.1*(1-(0.04/0.1)^4)))

Evaluating ... ...

ζ_{f_res} = 33571428.5714286

STEP 3: Convert Result to Output's Unit

33571428.5714286 Pascal -->33.5714285714286 Megapascal (Check conversion here)

FINAL ANSWER

33.5714285714286 ≈ 33.57143 Megapascal <-- Residual Shear Stress in fully Plastic Yielding

(Calculation completed in 00.020 seconds)

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< 7 Residual Stresses For Idealized Stress Strain Law Calculators

Residual Shear Stress in Shaft when r Lies between r1 and Material Constant

Go Residual Shear Stress in Elasto Plastic Yielding = (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 Angle of Twist for Elasto Plastic Case

Go Residual Angle of Twist = Yield Stress in Shear/(Modulus of Rigidity*Radius of Plastic Front)*(1-((4*Radius of Plastic Front)/(3*Outer Radius of Shaft))*((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)/(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))

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

Go Residual Shear Stress in Elasto Plastic Yielding = 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)))

Residual Angle of Twist in Fully Plastic Case

Go Residual Angle of Twist = Yield Stress in Shear/(Modulus of Rigidity*Inner Radius of Shaft)*(1-(4*Inner Radius of Shaft)/(3*Outer Radius of Shaft)*((1-(Inner Radius of Shaft/Outer Radius of Shaft)^3)/(1-(Inner Radius of Shaft/Outer Radius of Shaft)^4)))

Recovery Elasto Plastic Torque

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

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)))

Recovery Torque in Fully Plastic Case

Go Fully Plastic Recovery Torque = -(2/3*pi*Outer Radius of Shaft^3*Yield Stress in Shear*(1-(Inner Radius of Shaft/Outer Radius of Shaft)^3))

Residual Shear Stress in Shaft for Fully Plastic Case Formula

How residual stresses are generated?

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 for Fully Plastic Case?

Residual Shear Stress in Shaft for Fully Plastic Case calculator uses 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))) to calculate the Residual Shear Stress in fully Plastic Yielding, The Residual shear stress in shaft for fully plastic case formula is defined as the algebraic sum of applied stress and recovery stress. Residual Shear Stress in fully Plastic Yielding is denoted by ζ_{f_res} symbol.

How to calculate Residual Shear Stress in Shaft for Fully Plastic Case using this online calculator? To use this online calculator for Residual Shear Stress in Shaft for Fully Plastic Case, enter Yield Stress in Shear (𝝉₀), Radius Yielded (r), Inner Radius of Shaft (r₁) & Outer Radius of Shaft (r₂) and hit the calculate button. Here is how the Residual Shear Stress in Shaft for Fully Plastic Case calculation can be explained with given input values -> 3.4E-5 = 145000000*(1-(4*0.06*(1-(0.04/0.1)^3))/(3*0.1*(1-(0.04/0.1)^4))).

FAQ

What is Residual Shear Stress in Shaft for Fully Plastic Case?

The Residual shear stress in shaft for fully plastic case formula is defined as the algebraic sum of applied stress and recovery stress and is represented as ζ_{f_res} = 𝝉₀*(1-(4*r*(1-(r₁/r₂)^3))/(3*r₂*(1-(r₁/r₂)^4))) or 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))). Yield Stress in Shear is the yield stress of the shaft in shear conditions, Radius Yielded is the yielded portion of shaft under load, Inner Radius of Shaft is the internal radius of shaft & Outer Radius of Shaft is the external radius of shaft.

How to calculate Residual Shear Stress in Shaft for Fully Plastic Case?

The Residual shear stress in shaft for fully plastic case formula is defined as the algebraic sum of applied stress and recovery stress is calculated using 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))). To calculate Residual Shear Stress in Shaft for Fully Plastic Case, you need Yield Stress in Shear (𝝉₀), Radius Yielded (r), Inner Radius of Shaft (r₁) & Outer Radius of Shaft (r₂). With our tool, you need to enter the respective value for Yield Stress in Shear, Radius Yielded, Inner Radius of Shaft & Outer Radius of Shaft 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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