R. Shankar, A. Bandar, W. T. Wu, J. Walters, Scientific Forming Technologies Corporation, Columbus, OH
Modeling the heat treatment process helps to predict residual stresses and resulting heat-treat distortion and microstructural evolution. Drastic quenching of components may be desired to achieve the required mechanical and metallurgical characteristics. But, this leads to undesirable residual stresses and heat treat distortion. Managing residual stresses during heat treatment is key to controlling distortion. The diffusion mechanisms and phase transformations can be modeled.
DEFORM™ is a finite element based process modeling system that is widely used in the design and development of heat processes. The system predicts thermal, mechanical and metallurgical responses of the parts during heat treatment. A variety of heat treatment processes such as austenizing, carburizing, quenching and tempering can be modeled. Inverse heat transfer optimization method has been successfully implemented to characterize the heat transfer boundary conditions accurately. Examples of DEFORM™ capabilities will be presented, along with the case studies that highlight heat treat modeling applications.
The wide-ranging use of process modeling in industry is instrumental in the improvement of cost, quality and delivery for nearly two decades. Modeling the heat treatment process helps to predict residual stresses and resulting heat-treat distortion and microstructural evolution. DEFORM™ is a finite element based process modeling system that predicts thermal, mechanical and metallurgical responses of the parts during heat treatment. Examples of DEFORM™ capabilities will be presented, along with the case studies that highlight heat treat modeling applications.
