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Cooperative Deformation Behavior and Microstructure Evolution of High-Strength Titanium-Clad Steel Plate During Thermal Compression

Cooperative Deformation Behavior and Microstructure Evolution of High-Strength Titanium-Clad... The utilization of Titanium-clad steel plate (TCSP) spans various industries. Over time, there has been an increasing demand for enhanced mechanical properties, leading to the advancement of high-strength TCSP. As a result, self-produced high-strength TCSP was utilized to investigate the cooperative deformation behavior during isothermal axial thermal compression (TC) tests and to establish the constitutive equations and processing map. The results indicated that the TCSP did not deform cooperatively throughout the entire TC process. Initially, the titanium matrix deformed, and only when its strength matched that of the steel matrix did the TCSP deform cooperatively. The microstructure of the steel matrix revealed an increasing number of deformation grains, while the titanium matrix exhibited an increase in substructure grains with temperature. The primary orientation of the steel matrix was (101), while that of the titanium matrix was (01 1¯\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\overline{1 }$$\end{document} 0) after TC. Furthermore, it was observed that the titanium matrix displayed a distinctive plate texture, while the steel matrix exhibited a mixed texture that became increasingly pronounced with temperature. The constitutive equation was derived using the Arrhenius model, and the material constants were represented by a fourth-order polynomial fit to the true strain. The established constitutive equation exhibited an accuracy of 96.27%. Finally, the process map constructed using the dynamic material model revealed the presence of four distinct zones.Graphical Abstract[graphic not available: see fulltext] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metals and Materials Springer Journals

Cooperative Deformation Behavior and Microstructure Evolution of High-Strength Titanium-Clad Steel Plate During Thermal Compression

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References (38)

Publisher
Springer Journals
Copyright
Copyright © The Author(s) under exclusive licence to The Korean Institute of Metals and Materials 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
1598-9623
eISSN
2005-4149
DOI
10.1007/s12540-024-01652-6
Publisher site
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Abstract

The utilization of Titanium-clad steel plate (TCSP) spans various industries. Over time, there has been an increasing demand for enhanced mechanical properties, leading to the advancement of high-strength TCSP. As a result, self-produced high-strength TCSP was utilized to investigate the cooperative deformation behavior during isothermal axial thermal compression (TC) tests and to establish the constitutive equations and processing map. The results indicated that the TCSP did not deform cooperatively throughout the entire TC process. Initially, the titanium matrix deformed, and only when its strength matched that of the steel matrix did the TCSP deform cooperatively. The microstructure of the steel matrix revealed an increasing number of deformation grains, while the titanium matrix exhibited an increase in substructure grains with temperature. The primary orientation of the steel matrix was (101), while that of the titanium matrix was (01 1¯\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\overline{1 }$$\end{document} 0) after TC. Furthermore, it was observed that the titanium matrix displayed a distinctive plate texture, while the steel matrix exhibited a mixed texture that became increasingly pronounced with temperature. The constitutive equation was derived using the Arrhenius model, and the material constants were represented by a fourth-order polynomial fit to the true strain. The established constitutive equation exhibited an accuracy of 96.27%. Finally, the process map constructed using the dynamic material model revealed the presence of four distinct zones.Graphical Abstract[graphic not available: see fulltext]

Journal

Metals and Materials – Springer Journals

Published: Sep 1, 2024

Keywords: Microstructure evolution; Rheological behavior; Constitutive equation; Processing map

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