Strength of materials Engineering Torsion of Bars
Learning Objectives / Experiments
- torsion of a bar
- shear modulus of elasticity and 2nd polar moment
of area
- angle of twist dependent on clamping length
- angle of twist dependent on torque
- influence of rigidity on torsion
* round bar with full cross-section
* tube
* tube, longitudinally slotted
* square tube
- calculation of angle of twist
- comparison of calculated and measured angle of
twist
[1] elastic torsion of bars
[2] 2 movable bearing blocks with clamping chuck for mounting of bars, 1 fixed and 1 movable bearing
[3] 2 movable angle indicators clampable to the bar
[4] 4 bars: round bar with full cross-section, tube, longitudinally slotted tube, square tube
[5] application of load to the bar by a mass disc, a deflection roller and weights
[6] storage system to house the components
[7] experimental setup
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