Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
4.9
2.6
Journals
Metals
Special Issues
Kinetics of Plastic Deformation in Metallic Materials
share announcement

Kinetics of Plastic Deformation in Metallic Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 7472

Special Issue Editors

Prof. Dr. Svetlana Barannikova

E-Mail Website
Guest Editor
Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, Russia
Interests: metals; alloys; mechanical properties; plastic deformation; strain localization; in situ testing
Prof. Dr. Vladimir Danilov

E-Mail Website
Guest Editor
Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, Tomsk, Russia
Interests: strength, plasticity, fracture; phase transformation; materials characterization; structure; properties; localization; heat treatment

Special Issue Information

Dear Colleagues,

The problem of plasticity of solids has turned out to be much more complicated than could have been imagined, and so far, only the main reasons for the difficulties in solving it have been clarified. They are determined by the extraordinary complexity of the form of the response of the deformable medium to external influences. This complexity is illustrated by the shape of the stress–strain curves for different materials and loading conditions. The complexity of the plasticity problem is associated with the nonlinearity and activity of the deformable medium, as well as its ability to memorize the effects on it, arising from structural changes. The simplicity and clarity of the model concepts should be sought within the framework of the macroscopic approach associated with the analysis of the localization of plastic deformation. Plastic deformation is considered a collective phenomenon characteristic of a nonlinear and active deformable medium. This approach to the problem of plasticity of solids is hybrid and develops at the intersection of physics and mechanics of a deformable solid.

The Special Issue will cover new findings of advances in the kinetics of plastic deformation in metallic materials. Manuscripts that describe new experimental and theoretical studies on the plastic deformation mechanisms of materials would be welcome in this issue.

Prof. Dr. Svetlana Barannikova
Prof. Dr. Vladimir Danilov
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Metallic alloys
  • Deformed alloys
  • Plastic deformation mechanisms
  • Mechanical properties
  • Strain localization
  • Strength
  • Multiscale experiment and modeling
  • Collective behavior of defects
  • Strain-rate-dependent tension/compression behavior of metals
  • Size effect
  • Nonlinear
  • Electronic theory of metals
  • Structural transformations
  • Deformation development
  • Thermodynamic modeling

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

19 pages, 5384 KiB  
Article
RBF-Based Integrated Optimization Method of Structural and Turning Parameters for Low-Floor Axle Bridge
by Xiaoke Li, Wenbo Xing, Qianlong Jiang, Zhenzhong Chen, Wenbo Zhao, Yapeng Xu, Yang Cao, Wuyi Ming and Jun Ma
Metals 2024, 14(3), 273; https://doi.org/10.3390/met14030273 - 25 Feb 2024
Cited by 1 | Viewed by 1550
Abstract
The axle bridge plays a crucial role in the bogie of low-floor light rail vehicles, impacting operational efficiency and fuel economy. To minimize the total cost of the structure and turning of axle bridges, an optimization model of structural and turning parameters was [...] Read more.
The axle bridge plays a crucial role in the bogie of low-floor light rail vehicles, impacting operational efficiency and fuel economy. To minimize the total cost of the structure and turning of axle bridges, an optimization model of structural and turning parameters was built, with the fatigue life, maximum stress, maximum deformation, and maximum main cutting force as constraints. Through orthogonal experiments and multivariate variance analysis, the key design variables which have a significant impact on optimization objectives and constraints (performance responses) were identified. Then the optimal Latin hypercube design and finite element simulation was used to build a Radial Basis Function (RBF) model to approximate the implicit relationship between design variables and performance responses. Finally, a multi-island genetic algorithm was applied to solve the integrated optimization model, resulting in an 8.457% and 1.1% reduction in total cost compared with the original parameters and parameters of sequential optimization, proving the effectiveness of the proposed method. Full article
(This article belongs to the Special Issue Kinetics of Plastic Deformation in Metallic Materials)
►▼ Show Figures

Figure 1

11 pages, 1918 KiB  
Article
Effect of Temperature on the Kinetics of Localized Plasticity Autowaves in Lüders Deformation
by Vladimir I. Danilov, Dina V. Orlova, Vadim V. Gorbatenko and Lidiya V. Danilova
Metals 2023, 13(4), 773; https://doi.org/10.3390/met13040773 - 15 Apr 2023
Cited by 5 | Viewed by 1422
Abstract
The paper analyzes the elastoplastic transition in Fe–0.025 wt. % C at a temperature of 296–503 K and strain rate of 6.67·10−6–3.33·10−3 s−1. The analysis shows that the lower yield stress increases by a power law with increasing [...] Read more.
The paper analyzes the elastoplastic transition in Fe–0.025 wt. % C at a temperature of 296–503 K and strain rate of 6.67·10−6–3.33·10−3 s−1. The analysis shows that the lower yield stress increases by a power law with increasing the strain rate, and that its rate sensitivity decreases linearly with increasing the test temperature. At temperatures lower than 393 K, the rate sensitivity of the lower yield stress is normal, and at 393–503 K, it is zero. In the range 393–503 K, the kinetics of the Lüders bands is changed from steady to discrete, and the higher the strain rate, the higher the temperature of this transition. Using the available data on the dynamics of dislocations and diffusion of interstitial impurities in the test alloy, it is demonstrated that the kinetics of Lüders bands are controlled by the effect of dynamic strain aging. If the arrest time of mobile dislocations tw at barriers which are overcome via thermal activation is comparable with the precipitation time of interstitial atoms ta at these dislocations, the motion of a Lüders band is discrete, and the band represents an excitation wave of localized plasticity; its refractory period is determined by the time of dynamic strain aging. If ta >> tw, the band moves monotonically and represents a switching autowave. The results of the analysis suggest that the effect of serrated yielding at the lower temperature boundary of blue brittleness can be suppressed by increasing the strain rate. When the arrest time of dislocations tw decreases, the comparability of tw and ta is broken, and no excitation autowave is formed. The data reported in the paper can be used to develop warm rolling technologies for materials with a sharp elastoplastic transition. Full article
(This article belongs to the Special Issue Kinetics of Plastic Deformation in Metallic Materials)
►▼ Show Figures

Figure 1

11 pages, 2060 KiB  
Article
Autowave Criteria of Fracture and Plastic Strain Localization of Zirconium Alloys
by Lev B. Zuev, Svetlana A. Barannikova and Dina V. Orlova
Metals 2022, 12(1), 95; https://doi.org/10.3390/met12010095 - 4 Jan 2022
Cited by 3 | Viewed by 1348
Abstract
Plastic deformation and fracture of Zr–1% Nb alloys exposed to quasi-static tensile testing have been studied via a joint analysis of stress-strain curves, ultrasound velocity and double-exposure speckle photographs. The possibilities of ductility evaluation through the εxx strain distribution in thin-walled parts [...] Read more.
Plastic deformation and fracture of Zr–1% Nb alloys exposed to quasi-static tensile testing have been studied via a joint analysis of stress-strain curves, ultrasound velocity and double-exposure speckle photographs. The possibilities of ductility evaluation through the εxx strain distribution in thin-walled parts of zirconium alloys are shown in this paper. The stress-strain state of zirconium alloys in a cold rolling site is investigated considering the development of localized deformation bands and changes in ultrasound velocity. It is established that the transition from the upsetting to the reduction region is accompanied by the significant exhaustion of the plasticity margin of the material; therefore, the latter is more prone to fracture in this zone exactly. It is shown that traditional methods estimating the plasticity margin from the mechanical properties cannot reveal this region, requiring a comprehensive study of macroscopically localized plastic strain in combination with acoustic measurements. In particular, the multi-pass cold rolling of Zr alloys includes various localized deformation processes that can result in the formation of localized plasticity autowaves. Recommendations for strain distribution division over the deformation zone length in the alloy in the pilger roll grooves are provided as well. Full article
(This article belongs to the Special Issue Kinetics of Plastic Deformation in Metallic Materials)
►▼ Show Figures

Graphical abstract

11 pages, 1691 KiB  
Article
Plasticity Autowave Characteristics of Metals and the Periodic Table of Elements
by Lev B. Zuev
Metals 2021, 11(8), 1270; https://doi.org/10.3390/met11081270 - 11 Aug 2021
Cited by 2 | Viewed by 1875
Abstract
In this paper, the general laws of localized plastic flow development are described for the linear work hardening stages of nineteen metals. The correlations are established and discussed between their element position in the periodic table of elements and the parameters of the [...] Read more.
In this paper, the general laws of localized plastic flow development are described for the linear work hardening stages of nineteen metals. The correlations are established and discussed between their element position in the periodic table of elements and the parameters of the autowave process of localized plastic flow in these elements. Patterns of plastic flow are considered for nineteen metals from the 3rd, 4th, 5th, and 6th periods of the periodic table of elements. A conditional characteristic of plasticity is introduced and its relationship with the position of the metals in the periodic table of elements is established. Correlations between the plastic properties and other metal characteristics were analyzed. Some quantitative models are proposed for explaining the observed dependency origin by the drag of moving dislocation by electron gas in metal crystals. Observed correlations indicate the existence of a close bond between localized plastic flow in deforming medium with the lattice characteristics of the elements and their electron structures. Full article
(This article belongs to the Special Issue Kinetics of Plastic Deformation in Metallic Materials)
►▼ Show Figures

Graphical abstract

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-4
Back to TopTop