Journal ArticleDOI
An investigation on the effect of carbon and silicon on flow behavior of steel
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TLDR
In this article, the effect of carbon and silicon on the occurrence of dynamic recrystallization as well as on the flow stress of steel was investigated, and three grades of steels including low carbon, medium carbon and high silicon low carbon steel were examined.About:
This article is published in Materials & Design.The article was published on 2002-05-01. It has received 87 citations till now. The article focuses on the topics: Dynamic recrystallization & Recrystallization (metallurgy).read more
Citations
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The Avrami kinetics of dynamic recrystallization
TL;DR: In this article, the double-differentiation method was used to define the critical strain for initiation of DRX and the net softening attributable to DRX was then defined as the difference between the σrecov and experimental curves.
Journal ArticleDOI
Prediction of 42CrMo steel flow stress at high temperature and strain rate
TL;DR: Based on the classical stress-dislocation relation and the kinematics of the dynamic recrystallization, the flow stress constitutive equations of the work hardening-dynamical recovery period and dynamical recystallization period were established for 42CrMo steel, respectively as discussed by the authors.
Journal ArticleDOI
Mathematical modelling of the stress-strain curves of Ti-IF steel at high temperature
TL;DR: In this paper, a mathematical model was developed to predict the stress-strain curves of a Ti-IF steel during hot deformation, based on a phenomenological representation of the shape of the stress curve and the traditional theories for constitutive equations which incorporate the power law.
Journal ArticleDOI
Microstructure analysis of an Al-Zn-Mg alloy during porthole die extrusion based on modeling of constitutive equation and dynamic recrystallization
TL;DR: In this article, the dynamic recrystallization (DRX) behavior of an Al-Zn-Mg alloy during porthole die extrusion process was studied.
Journal ArticleDOI
Determination of the critical conditions for the initiation of dynamic recrystallization in boron microalloyed steels
TL;DR: In this paper, the critical conditions associated with the onset of dynamic recrystallization of hot deformed boron microalloyed steels were precisely determined based on changes in the strain hardening rate ( θ ) as a function of the flow stress.
References
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Book
Steels, Microstructure and Properties
TL;DR: In this article, the authors studied the effects of alloying elements in iron-carbon alloys and the formation of martensite, bainite reaction and acicular ferrite reaction.
Journal ArticleDOI
Recrystallization and grain growth in hot rolling
C. M. Sellars,J. A. Whiteman +1 more
TL;DR: In this paper, the evolution of microstructure during rolling is predicted as a function of the temperatures, pass reductions, speeds, and times in rolling schedules, and it is shown that uncertainties in the basic data do not seriously affect the predictions whereas modifying the rolling schedules leads to major differences in the asrolled microstructures.
Journal ArticleDOI
Prediction of steel flow stresses at high temperatures and strain rates
A. Laasraoui,John J. Jonas +1 more
TL;DR: In this paper, the flow behavior of steels during deformation in the roll gap was simulated by means of single hit compression tests performed in the temperature range 800 °C to 1200 °C.
Journal ArticleDOI
A Mathematical Model to Predict the Mechanical Properties of Hot Rolled C-Mn and Microalloyed Steels
Peter Hodgson,R.K. Gibbs +1 more
TL;DR: In this paper, a mathematical model was developed that predicts the final mechanical properties of hot-rolled steels, consisting of submodels for static and metadynamic recrystallisation, grain growth and the transformed ferrite grain size.
Journal ArticleDOI
Effect of carbon content on the plastic flow of plain carbon steels at elevated temperatures
TL;DR: In this paper, the authors examined the plastic-flow behavior of plain carbon steels with a base composition of 0.8 Mn and 0.25 Si as a function of carbon content in the range 0.005 to 1.54 wt pct at strain rates from 6 x 10-6 to 2x 10-2 sec-1.
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