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Crystals
Special Issues
Advances in Microstructure and Plastic Deformation of High-Strength Steels
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Advances in Microstructure and Plastic Deformation of High-Strength Steels

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystalline Metals and Alloys".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 1276

Special Issue Editor

Dr. Wojciech Borek

E-Mail Website
Guest Editor
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; thermomechanical treatment; hot rolling; hot-working phenomena; physical simulation; gleeble simulation; mechanical properties; microstructure
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plastic deformation significantly impacts the structure and mechanical properties of advanced engineering materials, particularly high-strength steels. How the deformed material responds to applied stresses and the amount of deformation depend primarily on the type of material, its chemical composition, and, consequently, its microstructure and properties. In this Special Issue, we will focus on the impact of cold and hot plastic deformation on changes in the structure and properties of high-strength steels and the relationships between their structure and mechanical properties. All aspects of plastic deformation, from low to ultra-high, are welcome. Moreover, in this issue, we will deal with the physical and numerical simulation of the microstructure and, therefore, the mechanical properties, depending on the technology used and the plastic deformation conditions. This Special Issue will provide a multi-scale approach to better understand the main mechanisms of plastic deformation in 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 of Advances in Microstructure and Plastic Deformation of High-Strength Steels.

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. Crystals 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 2100 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

  • microstructure of high-strength steels
  • hot working
  • cold working
  • plastic deformation
  • innovative methodology research
  • new technologies
  • thermomechanical treatment
  • physical and numerical simulation of plastic deformation
  • structure simulation after plastic deformation
  • structure and mechanical properties.

Published Papers (2 papers)

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Research

18 pages, 1255 KiB  
Article
The Influence of Process Parameters on the Microstructure and Microhardness of 304 Stainless Steel in Joule Heating Fused Filament Fabrication
by Suli Li, Jichao Chen, Longfei Fan, Jie Xiong, Zhuang Gao and Laixia Yang
Crystals 2024, 14(7), 643; https://doi.org/10.3390/cryst14070643 - 12 Jul 2024
Viewed by 148
Abstract
Using finite element simulation and single-variable experimental methods, this study analyzes the variations in the microstructure and hardness of a 304 stainless steel wire during Joule heating fused filament fabrication. The effects of current intensity, printing speed, and roller pressure on the macroscopic [...] Read more.
Using finite element simulation and single-variable experimental methods, this study analyzes the variations in the microstructure and hardness of a 304 stainless steel wire during Joule heating fused filament fabrication. The effects of current intensity, printing speed, and roller pressure on the macroscopic morphology, microstructure, and microhardness of a single-layer single-channel formation were investigated. The results indicate that when the current intensity is 400 A, the printing speed is 1000 mm/min, and the roller pressure is 0.3 N, the surface of the single-layer single-channel formation is smooth and exhibits optimal forming characteristics with a width-to-height ratio of 3.23, a dilution rate of 51.61%, and an average microhardness of 238.17 HV. As the current intensity increases, the microstructure in the fusion zone initially decreases in size and then increases; similarly, with the increase in printing speed, the microstructure in the fusion zone first decreases and then increases; as the roller pressure increases, the microstructure in the fusion zone initially increases in size and then decreases. The microhardness initially increases and then decreases with the increase in process parameters, resulting in uneven hardness distribution due to the variations in microstructure size. The optimal combination of process parameters achieves a balance between heat input, cooling rate, and growth rate, thereby achieving grain refinement and hardness improvement, ultimately enhancing the mechanical properties of the material. Full article
(This article belongs to the Special Issue Advances in Microstructure and Plastic Deformation of High-Strength Steels)
21 pages, 15977 KiB  
Article
Hybrid Joining of Dissimilar Thin Metallic Sheets—Mechanical Joining and Adhesive Bonding
by Anna Guzanová, Dagmar Draganovská, Janette Brezinová, Miroslav Tomáš, Nikita Veligotskyi and Štefan Kender
Crystals 2024, 14(3), 220; https://doi.org/10.3390/cryst14030220 - 24 Feb 2024
Cited by 1 | Viewed by 925
Abstract
This paper deals with joining dissimilar materials using thermal drilling technology as well as the combination of thermal drilling and adhesive bonding. The base materials for the experimental work were deep-drawn low-carbon steel DC04, HSLA steel TL 1550-220 + Z, and structural aluminum [...] Read more.
This paper deals with joining dissimilar materials using thermal drilling technology as well as the combination of thermal drilling and adhesive bonding. The base materials for the experimental work were deep-drawn low-carbon steel DC04, HSLA steel TL 1550-220 + Z, and structural aluminum alloy EN AW-6082 T6 (AlSi1MgMn). The geometry of the formed joints was tested metallographically as the load-bearing shear capacity under the tensile shear test of single-lapped joints and the resistance of the joints against corrosion-induced disbonding in a climate chamber. The energy dissipated by the joints up to fracture was calculated from the load–displacement curves. The hybrid joints were compared with the bonded joints with the same overlap area in terms of the load-bearing capacity and energy dissipated at joint failure. The hybrid joints formed by thermal drilling and adhesive bonding with a rubber-based adhesive confirmed the synergistic effect—the adhesive provides the high load-bearing capacity of the joint, and the bushing formed by thermal drilling increases the dissipated energy of the joint at failure. The exposure of the joints in the climatic chamber did not cause a relevant reduction in the characteristics of the joints. Full article
(This article belongs to the Special Issue Advances in Microstructure and Plastic Deformation of High-Strength Steels)
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