Temperature changes during hot plane strain compression testing

Abstract

Detailed understanding of the flow stress and microstructural development during plane strain compression testing requires accurate knowledge of the time variation of temperature. A finite difference model of the temperature variations has been developed and implemented in a computer program on a PC, which can rapidly produce results for multideformation schedules. An outline and validation of the model is presented here; the validation exercise compares temperature records taken during a variety of plane strain compression tests with those generated by the model.