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Special Issue "Progress in Plastic Deformation of Metals and Alloys (Second Volume)"

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A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: 20 December 2023 | Viewed by 1103

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Dr. Wojciech Borek

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Department of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: advanced high-strength steels; high-manganese steels; stainless steels; alloys; light metal alloys; heat treatment; thermomechanical treatment; hot rolling; hot-working phenomena; physical simulation; Gleeble simulation, deformation of metals and alloys; mechanical properties; microstructure
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Dear Colleagues,

The plastic deformation of engineering materials involves changes to the geometrical shape of the investigated specimen and microstructures and affects how the deformed material reacts to the imposed stresses and value of strains depends primarily on the type of material, its chemical composition, and thus on its microstructure and texture. The Second Volume of this Special Issue will focus on new trends and progress in the hot and cold plastic deformation of metals and alloys and all new developments in the relationships between their structure and mechanical properties. All aspects related to plastic deformation from low to ultra-high strain, new methods, new technologies and new applications in the broadly defined field of plastic deformation, as well as innovative approaches in this area, are welcomed. In addition, we will cover thermomechanical processing, hot-rolling, heat treatment after plastic deformation, physical and numerical simulation of plastic deformation, and structural characterization. This Special Issue will provide a multiscale approach to better understand the principal mechanisms of the plastic deformation of materials and their applications.

It is my pleasure to invite you to submit your original research papers, short communications, or review articles that describe the current state of the art within the scope of this Special Issue: “Progress in Plastic Deformation of Metals and Alloys”.

Dr. Wojciech Borek
Guest Editor

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. Materials is an international peer-reviewed open access semimonthly 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 2300 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

plastic deformation
hot working
cold working
new trends in plastic deformation
innovative approach
new technologies
thermomechanical treatment
physical and numerical simulation of plastic deformation
severe plastic deformation
structure and mechanical properties

Published Papers (2 papers)

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Research

Open AccessArticle

Hot Deformation Behaviour of Additively Manufactured 18Ni-300 Maraging Steel

and

Materials 2023, 16(6), 2412; https://doi.org/10.3390/ma16062412 - 17 Mar 2023

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Abstract

In this article, hot compression tests on the additively produced 18Ni-300 maraging steel 18Ni-300 were carried out on the Gleeble thermomechanical simulator in a wide temperature range (900–1200 °C) and at strain rates of 0.001 10 s⁻¹. The samples were microstructurally analysed by light microscopy and scanning electron microscopy with electron backscatter diffraction (EBSD). This showed that dynamic recrystallization (DRX) was predominant in the samples tested at high strain rates and high deformation temperatures. In contrast, dynamic recovery (DRV) dominated at lower deformation temperatures and strain rates. Subsequently, the material constants were evaluated in a constitutive relationship using the experimental flow stress data. The results confirmed that the specimens are well hot workable and, compared with the literature data, have similar activation energy for hot working as the conventionally fabricated specimens. The findings presented in this research article can be used to develop novel hybrid postprocessing technologies that enable single-stage net shape forging/forming of AM maraging steel parts at reduced forming forces and with improved density and mechanical properties. Full article

(This article belongs to the Special Issue Progress in Plastic Deformation of Metals and Alloys (Second Volume))

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Open AccessArticle

Development of Temperature-Controlled Shear Tests to Reproduce White-Etching-Layer Formation in Pearlitic Rail Steel

Christophe Le Bourlot

Sylvain Dancette

and

Damien Fabrègue

Materials 2022, 15(19), 6590; https://doi.org/10.3390/ma15196590 - 22 Sep 2022

Cited by 1 | Viewed by 689

Abstract

The formation of a white etching layer (WEL), a very hard and brittle phase on the rail surface, is associated with a progressive transformation of the pearlitic grain to very fragmented grains due to the cumulative passage of trains. Its formation is associated with a complex thermomechanical coupling. To predict the exact conditions of WEL formation, a thermomechanical model previously proposed by the authors needs to be validated. In this study, monotonic and cyclic shear tests using hat-shaped specimens were conducted in the temperature range of 20 °C to 400 °C to reproduce the WEL formation. The tests showed a strong sensitivity of the material to temperature, which does not necessarily favor WEL formation. For the monotonic tests, no WELs were produced; however, a localization of the plastic deformation was observed for tests performed at 200 °C and 300 °C. In this temperature range, the material was less ductile than at room temperature, leading to failure before WEL formation. At 400 °C, the material exhibited a much more ductile behavior, and nanograins close to WEL stages were visible. For the cyclic tests, a WEL zone was successfully reproduced at room temperature only and confirmed the effect of shear in WEL formation. The same cyclic tests conducted at 200 °C and 300 °C yielded results consistent with those of the monotonic tests; the deformation was much more localized and did not lead to WEL formation. Full article

(This article belongs to the Special Issue Progress in Plastic Deformation of Metals and Alloys (Second Volume))

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Special Issue "Progress in Plastic Deformation of Metals and Alloys (Second Volume)"

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