Hot torsion test
Channel: bhadeshia123
Date: 2016-01-24

It is often necessary to know the deformation behaviour of solid steel over a range of temperatures, strain rates and strain. This particular test measure the flow stress of the steel, usually at temperatures where the material is fully austenitic. By doing such studies, it is possible to assess the so-called no-recrystallisation temperature, below which plastic deformation leaves the austenite in a deformed state.

Here the test is carried out in a Gleeble at the TATA Steel laboratories in Jamshedpur, India

http://www.phase-trans.msm.cam.ac.uk/2014/rolling.html