Torsion is the twisting of an object due to an applied torque & is hence expressed in Nm or lbf ft. Torsion Tests are done on materials to determine properties such as the modulus of elasticity in shear, the torsion yield strength & the modulus of rupture.
Testing being done on materials to determine properties such as the modulus of elasticity in shear, the torsion yield strength & the modulus of rupture.