Optimization of microstructure development: Application to hot metal extrusion

E. A. Medina; S. Venugopal; W. G. Frazier; S. Medeiros; W. M. Mullins; A. Chaudhary; R. D. Irwin; R. Srinivasan; J. C. Malas

doi:10.1007/BF02646909

Optimization of microstructure development: Application to hot metal extrusion

E. A. Medina, S. Venugopal, W. G. Frazier, S. Medeiros, W. M. Mullins, A. Chaudhary, R. D. Irwin, R. Srinivasan, J. C. Malas

Mechanical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A new process design method for controlling microstructure development during hot metal deformation processes is presented. This approach is based on modern control theory and involves state- space models for describing the material behavior and the mechanics of the process. The challenge of effectively controlling the values and distribution of important microstructural features can now be systematically formulated and solved in terms of an optimal control problem. This method has been applied to the optimization of grain size and certain process parameters such as die geometry profile and ram velocity during extrusion of plain carbon steel. Various case studies have been investigated, and experimental results show good agreement with those predicted in the design stage.

Original language	American English
Pages (from-to)	743-752
Number of pages	10
Journal	Journal of Materials Engineering and Performance
Volume	5
Issue number	6
DOIs	https://doi.org/10.1007/BF02646909
State	Published - Dec 1996

ASJC Scopus Subject Areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

Keywords

Die design
Dynamic recrystallization
Extrusion
Microstructure modeling
Optimal control theory
Process design

Disciplines

Materials Science and Engineering
Mechanical Engineering

Access to Document

10.1007/BF02646909

Cite this

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title = "Optimization of microstructure development: Application to hot metal extrusion",

abstract = "A new process design method for controlling microstructure development during hot metal deformation processes is presented. This approach is based on modern control theory and involves state- space models for describing the material behavior and the mechanics of the process. The challenge of effectively controlling the values and distribution of important microstructural features can now be systematically formulated and solved in terms of an optimal control problem. This method has been applied to the optimization of grain size and certain process parameters such as die geometry profile and ram velocity during extrusion of plain carbon steel. Various case studies have been investigated, and experimental results show good agreement with those predicted in the design stage.",

keywords = "Die design, Dynamic recrystallization, Extrusion, Microstructure modeling, Optimal control theory, Process design",

author = "Medina, {E. A.} and S. Venugopal and Frazier, {W. G.} and S. Medeiros and Mullins, {W. M.} and A. Chaudhary and Irwin, {R. D.} and R. Srinivasan and Malas, {J. C.}",

year = "1996",

month = dec,

doi = "10.1007/BF02646909",

language = "American English",

volume = "5",

pages = "743--752",

journal = "Journal of Materials Engineering and Performance",

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T1 - Optimization of microstructure development

T2 - Application to hot metal extrusion

AU - Medina, E. A.

AU - Venugopal, S.

AU - Frazier, W. G.

AU - Medeiros, S.

AU - Mullins, W. M.

AU - Chaudhary, A.

AU - Irwin, R. D.

AU - Srinivasan, R.

AU - Malas, J. C.

PY - 1996/12

Y1 - 1996/12

N2 - A new process design method for controlling microstructure development during hot metal deformation processes is presented. This approach is based on modern control theory and involves state- space models for describing the material behavior and the mechanics of the process. The challenge of effectively controlling the values and distribution of important microstructural features can now be systematically formulated and solved in terms of an optimal control problem. This method has been applied to the optimization of grain size and certain process parameters such as die geometry profile and ram velocity during extrusion of plain carbon steel. Various case studies have been investigated, and experimental results show good agreement with those predicted in the design stage.

AB - A new process design method for controlling microstructure development during hot metal deformation processes is presented. This approach is based on modern control theory and involves state- space models for describing the material behavior and the mechanics of the process. The challenge of effectively controlling the values and distribution of important microstructural features can now be systematically formulated and solved in terms of an optimal control problem. This method has been applied to the optimization of grain size and certain process parameters such as die geometry profile and ram velocity during extrusion of plain carbon steel. Various case studies have been investigated, and experimental results show good agreement with those predicted in the design stage.

KW - Die design

KW - Dynamic recrystallization

KW - Extrusion

KW - Microstructure modeling

KW - Optimal control theory

KW - Process design

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JF - Journal of Materials Engineering and Performance

IS - 6

ER -

Optimization of microstructure development: Application to hot metal extrusion

Abstract

ASJC Scopus Subject Areas

Keywords

Disciplines

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