Li Qiangxing. The τ——r Curve of Shaft in Torsion[J]. Geomatics and Information Science of Wuhan University, 1986, 11(2): 76-84.
Citation: Li Qiangxing. The τ——r Curve of Shaft in Torsion[J]. Geomatics and Information Science of Wuhan University, 1986, 11(2): 76-84.

The τ——r Curve of Shaft in Torsion

  • During the experiment on mechanics of materials, a problem of solid circular shaft in torsion testing for large deformation remains unsolved. The following formula for torsional shearing stress at a point on the suface of a shaft is derived by the author. That is τ=1/(2πR3)(3Mn+φ(dMn)/(dφ))-(Mnφ2)/(πR(l2+R2φ2)) The applied torque and corresponding angle of twist are measured by a torsion-testing machine, and the data are eventually calculated by a computer. So, the complete shearing strew-shearing strain diagram may be drawn.
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