Journal ArticleDOI
The high temperature and high strain-rate behaviour of a plain carbon and an HSLA steel
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TLDR
The high temperature, high strain-rate stress-strain curves of a plain carbon and an HSLA steel have been determined using a cam plastometer as discussed by the authors, where cylindrical samples were deformed in compression at constant true strain rates of 2, 20 and 120 s−1 and at temperatures of 900, 1000, and 1100°C.About:
This article is published in Journal of Mechanical Working Technology.The article was published on 1987-06-01. It has received 78 citations till now. The article focuses on the topics: Strain rate & Flow stress.read more
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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.
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A plastic constitutive equation incorporating strain, strain-rate, and temperature
TL;DR: An empirical plasticity constitutive form describing the flow stress as a function of strain, strain-rate, and temperature has been developed, fit to data for three dual-phase (DP) steels, and compared with independent experiments outside of the fit domain this paper.
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Artificial neural network modeling to evaluate and predict the deformation behavior of stainless steel type AISI 304L during hot torsion
TL;DR: The ANN model, described in this paper, is an efficient quantitative tool to evaluate and predict the deformation behavior of type 304L stainless steel during hot torsion and needs less number of iterations for convergence.
Journal ArticleDOI
The applicability of neural network model to predict flow stress for carbon steels
M.P. Phaniraj,Ashok Kumar Lahiri +1 more
TL;DR: In this article, a neural network model is proposed to predict flow stress for carbon steels, with an average error of 3.7% of the mean flow stress using strain, strain rate, temperature and carbon equivalent as inputs.
References
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Diffusion-controlled dislocation creep: a defense
Oleg D. Sherby,Johannes Weertman +1 more
TL;DR: In this article, a defense against diffusion-controlled dislocation creep is made, and it is shown that dislocation glide processes cannot account for these low activation energies unless one is willing to accept that for 21 metals it is only a remarkable coincidence that at relatively high temperatures the activation energy of creep is equal to the activations for self-diffusion.
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Essais de rupture fragile de diverses nuances d’acier moulé non allié en relation avec leur soudabilit
P. Detrez,H. Granjon +1 more
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Hot workability of three grades of tool steel
TL;DR: In this paper, a series of continuous deformation tests were performed on three tool steels, a cold-work air-hardening grade, a hot-work die grade, and a high-speed type, at rates of 0.1 to 5 s•1.
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Determination of the flow stress-strain curves for metals from axisymmetric upsetting
TL;DR: In this article, a new test method has been developed for determining flow stress-strain curves of materials used in bulk deformation processes such as extrusion, forging and croping.