Torsion Testing Machine
This bench-mounted machine to allows students to do torsion tests on different materials and demonstrates the Bauschinger effect.
- Suitable for destructive tests on specimens
- Forward and reverse loading
- Wide range of test specimens
- Optional Torsiometer (SM1001a) available for tests which need increased accuracy
Learning Outcomes
- Determination of modulus of rigidity (shear modulus) and yield strength (when used with the optional torsiometer)
- Determination of upper and lower yield stresses for normalized steel specimens
- Reversed torsion tests to demonstrate the Bauchinger effect and the effects of residual body and textural stresses on torsional strength
- Comparison of the different elastic and plastic properties of materials
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The Torsion Testing Machine consists of a rigid frame. The specimens fit between a strain head at one end and a torque reaction and measurement system at the other. To apply torque, students turn a handle on the gearbox. The output shaft of the gearbox slides to allow for any change in length of the specimen during tests. A guard protects the
user when performing destructive tests.
Recommended Ancillaries:
- Torsion Test Specimens (TR)
- Versatile Data Acquisition System – Bench-mounted version
- Torsiometer (SM1001a) – Mechanical torsiometer for use with 6 mm diameter specimens in both the elastic and plastic regions
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