Temperature–strain rate deformation conditions of aluminum alloys

Kitaeva, D. A.; Pazylov, Sh. T.; Rudaev, Ya. I.

doi:10.1134/s002189441602019x

Cited by 5 publications

(7 citation statements)

References 4 publications

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“…1 [17] shows the graphs of the dependence of the anisotropy factor ψ on the degree of transverse deformation ′ ε =0.083; 0.1666; 0.25; 0.3333 for different rates of deformation at a temperature of 693K. Fig.…”

Section: Resultsmentioning

confidence: 99%

“…2 [17] -the values of this parameter, depending on the deformation rates, are presented in the form of isotherms ~lnV ψ for strain degrees ′ ε equal to 0.083 (Fig. 2a) and 0.4166 (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The superplastic deformation carried out under certain temperature-rate conditions can be considered as one of the thermomechanical methods for reducing the structural and deformation anisotropy of the initially textured material. The magnitude of the anisotropy factor is proposed to be considered as one of the macroparameters of the material, which makes it possible to quantify the degree and completeness of the structural transformations relative to the initial state in the changing thermomechanical deformation conditions [16][17][18].…”

Section: Discussionmentioning

confidence: 99%

“…Superplasticity in Advanced Materials -ICSAM 2018 Let us consider the dependence of the anisotropy factor versus temperature ψ θ at constant rates of deformation (Fig. 3 [17]).…”

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confidence: 99%

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On the Hierarchy of Structural-Phase States of 1561 Aluminum Alloy

Pazylov

2018

DDF

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An experimental issue of studying the structural and deformation properties of an initially anisotropic 1561 alloy within a wide temperature-rate range is considered. In the course of realization of the experiments on “Gagarin’s” samples cut out in the rolling direction, the circular cross sections of the samples took an elliptical form. As a macro-characteristic of the material reflecting the occurring structural changes, the anisotropy factor is taken, which is represented by the ratio of deformations measured along the small and large axes of the cross section. Previously unknown regularities of the change in the anisotropy factor were established at the temperature increase under different values of the degree and strain rate. An essential dependence of the anisotropy factor on the thermomechanical conditions of deformation is noted. At high homological temperatures, the thermal range corresponding to the manifestation of superplastic properties is identified. Here, the anisotropy index tends to a minimum value. A correspondence between the results of mechanical experiments and the study of the structural state of the alloy was established. The obtained results indicate the dependence of the anisotropy factor on the initial structure of the alloy. The anisotropy factor can be taken as one of the macroparameters of the material that correspond to structural transformations and allow one to quantify the degree and completeness of structural changes relative to the initial state in a changing field of temperatures and strain rates.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Superplasticity in Advanced Materials -ICSAM 2018 Let us consider the dependence of the anisotropy factor versus temperature ψ θ at constant rates of deformation (Fig. 3 [17]).…”

mentioning

confidence: 99%

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On the Hierarchy of Structural-Phase States of 1561 Aluminum Alloy

Pazylov

2018

DDF

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“…Metal structures are the most responsible and expensive elements of HTMs. Therefore, creation of rational structural schemes with proper values of their geometric parameters is important task [1][2][3][4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Scientific and methodological bases of rational design of hoisting-and-transport machines metal structures

et al. 2020

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Purpose of this paper is to improve parameters of metal structures elements of hoisting-and-transport machines (HTMs) by means of systematic approach to study changes of their stress-strain state during design or usage stage. Subject of the study is pattern of changes in distribution and values of stresses in elements of metal structures of HTMs depending on the structural and parametric characteristics. Design methodology of metal structures of HTMs on the basis of a portal crane is proposed, it is based on strength calculations using methods of allowable stresses and FEM, 3D computer simulation, system analysis of the stress-strain state and structural-parametric synthesis. Results of modeling of loading state and calculations of the portal crane metal structures on strength by FEM in CAD/CAE system, analysis of their stress-strain state, structural-parametric synthesis are presented. Recommendations on practical application of the results are given. Possible ways of further development of proposed solutions are identified.

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Measuring and Control System for Thermocompression Equipment with Regulated Temperature and Rate Parameters of Deformation

Zharov

2023

Meas Tech

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Temperature–strain rate deformation conditions of aluminum alloys

Cited by 5 publications

References 4 publications

On the Hierarchy of Structural-Phase States of 1561 Aluminum Alloy

On the Hierarchy of Structural-Phase States of 1561 Aluminum Alloy

Scientific and methodological bases of rational design of hoisting-and-transport machines metal structures

Measuring and Control System for Thermocompression Equipment with Regulated Temperature and Rate Parameters of Deformation

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