Obtaining a TRIP microstructure by thermomechanical treatment without isothermal holding (bibtex)

by B. Masek, H. Jirkova, L. Kucerova, M. F.-X. Wagner

Abstract:
The contemporary development of technological processes for the production of modern multiphase steels can be characterized by the need for precise control of their technological parameters. The design of modern technological processes that allow sophisticated microstructures to be obtained usually cannot be carried out on real production equipment for technical as well as economical reasons. Therefore, new processes and test devices are continuously being developed to make it possible to simulate and model thermomechanical treatments on small specimens with precise control and monitoring of process parameters. A simulator for experimental modelling of thermomechanical processes has been developed at the University of West Bohemia. In this paper, to demonstrate the feasibility of simulating thermomechanical treatments with this setup on a lab scale, we discuss the thermomechanical treatment of TRIP steels without isothermal holding - a processing route that is difficult to handle and thus poses several technological as well as economic problems. The realistic processing of wire rolling with different cooling strategies is tested on the TRIP CMnSiNb steel. Our results show that the processing route without isothermal holding allows to obtain multiphase microstructures with a tensile strength of up to 835 MPa and a ductility A5mm = 25%.
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Reference:
Masek, B., Jirkova, H., Kucerova, L., Wagner, M. F.-X.: Obtaining a TRIP microstructure by thermomechanical treatment without isothermal holding, IOP Conf. Ser.: Mater. Sci. Eng. 118, 012024, 2016.
Bibtex Entry:
@Article{MasekJirkovaKucerovaEtAl2016,
  Title                    = {Obtaining a {TRIP} microstructure by thermomechanical treatment without isothermal holding},
  Author                   = {Masek, B. and Jirkova, H. and Kucerova, L. and Wagner, M. F.-X.},
  Journal                  = {{IOP} Conf. Ser.: Mater. Sci. Eng.},
  Year                     = {2016},

  Month                    = {mar},
  Pages                    = {012024},
  Volume                   = {118},

  Abstract                 = {The contemporary development of technological processes for the production of modern multiphase steels can be characterized by the need for precise control of their technological parameters. The design of modern technological processes that allow sophisticated microstructures to be obtained usually cannot be carried out on real production equipment for technical as well as economical reasons. Therefore, new processes and test devices are continuously being developed to make it possible to simulate and model thermomechanical treatments on small specimens with precise control and monitoring of process parameters. A simulator for experimental modelling of thermomechanical processes has been developed at the University of West Bohemia. In this paper, to demonstrate the feasibility of simulating thermomechanical treatments with this setup on a lab scale, we discuss the thermomechanical treatment of TRIP steels without isothermal holding - a processing route that is difficult to handle and thus poses several technological as well as economic problems. The realistic processing of wire rolling with different cooling strategies is tested on the TRIP CMnSiNb steel. Our results show that the processing route without isothermal holding allows to obtain multiphase microstructures with a tensile strength of up to 835 MPa and a ductility A\textsubscript{5mm} = 25%.},
  Doi                      = {10.1088/1757-899x/118/1/012024},
  Publisher                = {{IOP} Publishing},
  Url                      = {http://dx.doi.org/10.1088/1757-899X/118/1/012024}
}
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