Application of processing maps in the optimization of the parameters of a hot working process Part 1. Theoretical review

Authors

  • A. Al Omar Dpto. de Ciencia de Materiales e Ingeniería Metalúrgica. Universidad Politécnica de Cataluña
  • J. M. Prado Dpto. de Ciencia de Materiales e Ingeniería Metalúrgica. Universidad Politécnica de Cataluña

DOI:

https://doi.org/10.3989/revmetalm.1997.v33.i2.867

Keywords:

Hot working, Dynamic materials model, Processing maps, Metallurgical inestabilities

Abstract


The hot working processes constitute an important step in the manufacture of components for engineering applications. In the past, the mechanical processing have been used to impart a shape to the engineering materials. More recently, however, the hot working processes are used not only to achieve the required shape but also to impart desirable mechanical and microstructural characteristics by an adequate design of the thermomechanical process. The aim of the present paper is to summarize the general characteristics of the Dynamic Materials Model. In this model, the workpiece material under hot working conditions is considered to be a dissipater of power. Also, the extreme principles of irreversible thermodynamics applied to large plastic flow are described to develop a continuum criterion capable to predict the metallurgical instabilities in a hot worked material.

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Published

1997-04-30

How to Cite

Al Omar, A., & Prado, J. M. (1997). Application of processing maps in the optimization of the parameters of a hot working process Part 1. Theoretical review. Revista De Metalurgia, 33(2), 89–100. https://doi.org/10.3989/revmetalm.1997.v33.i2.867

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