BI-7020/40 Thermo-mechanical fatigue (TMF) testing is a complex and demanding strain controlled testing under programmable temperature variations. Instron offers a comprehensive solution for such testing that requires simulating of synchronised heating and cooling of specimens combined with mechanical loading with real time thermal strain compensation.


  • Fully integrated standalone systems rated from100 kN
  • Digital servo-controlled induction heating2 and pneumatic air cooling
  • Self-aligning, self-locking, zero backlash water cooled hydraulic grips to test threaded and tubular samples
  • Thermocouple based/non-contact type temperature measurements available
  • Encoder based displacement measurements with 0.1 µm resolution
  • 1µm resolution extensometer rated for 1200 °C operations
  • Real time thermal strain compensation
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