Special Issues

Metals publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Metal Extraction and Recovery from Slag: Separation and Reduction Processes
edited by Minghua Wang and Hongying Yang
submission deadline 28 Feb 2026 | 1 articles | Viewed by 613 | Submission Open
Keywords: pyrometallurgy; hydrometallurgy; separation; thermal reduction
(This special issue belongs to the Section Extractive Metallurgy)
Metallic Coatings Synthesized by Magnetron Sputtering
edited by
submission deadline 28 Feb 2026 | 1 articles | Viewed by 591 | Submission Open
Keywords: magnetron sputtering; HiPIMS; pulsed laser deposition; process optimization; metallic coatings; conductivity; optical properties; structural characterization; antibacterial coatings; biocompatible coatings
Fracture and Fatigue Analysis of Welded Structures in Metallic Materials
edited by
submission deadline 28 Feb 2026 | Viewed by 349 | Submission Open
Keywords: fracture; fracture toughness; fatigue; welding residual stress; reliability of large structure; marine environment risk assessment; ductile fracture; brittle fracture; cryogenic temperature
(This special issue belongs to the Section Metal Failure Analysis)
Feature Papers in Extractive Metallurgy (2nd Edition)
edited by
submission deadline 28 Feb 2026 | Viewed by 232 | Submission Open
Keywords: extractive metallurgy; unit operations; hydrometallurgy; pyrometallurgy; electrometallurgy; precious metals; refractory metals; rare earth elements; kinetics; thermochemistry; simulation; iron and steel; modelling
(This special issue belongs to the Section Extractive Metallurgy)
Multiscale Computational and Experimental Research of Mechanical Properties and Microstructural Characterization of Metallic Materials
edited by and Xuefeng Lu
submission deadline 28 Feb 2026 | Viewed by 221 | Submission Open
Keywords: multiscale computation; experimental research; finite element simulation; first principles; molecular dynamics; mechanical properties; microstructural characterization; metallic materials
Design and Optimization for Metal Additive Manufacturing
edited by Guoying Dong
submission deadline 28 Feb 2026 | Viewed by 185 | Submission Open
Keywords: metal additive manufacturing; computational design; topology optimization; process– structure– property relationships; machine learning; digital twin; design for AM; multi-material design; support structure optimization; sustainability in AM
(This special issue belongs to the Section Additive Manufacturing)
Novel Insights into Comprehensive Utilization of Metallurgical Resources submission deadline 28 Feb 2026 | Viewed by 178 | Submission Open
Keywords: metallurgical by-products; resource recovery; sustainable extraction; secondary raw materials; recycling technologies; waste utilization
(This special issue belongs to the Section Extractive Metallurgy)
Research Progress of Laser Welding Technology of Metals and Alloys
edited by and
submission deadline 28 Feb 2026 | Viewed by 155 | Submission Open
Keywords: laser welding; laser– arc hybrid welding; metals and alloys; dissimilar metals; welding process; welding metallurgy; microstructure and properties; defect detection and suppression; processing simulation
(This special issue belongs to the Section Welding and Joining)
Numerical Simulation and Experimental Research of Metal Rolling
edited by Xianlei Hu
submission deadline 10 Mar 2026 | 7 articles | Viewed by 11676 | Submission Open
Keywords: TRB; variable thickness rolling; LP; transverse variable thickness sheet; annealing; hot stamping steel; Al-Si coating
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Green Technologies in Metal Recovery
edited by Xiangfeng Kong
submission deadline 10 Mar 2026 | 4 articles | Viewed by 5184 | Submission Open
Keywords: non-ferrous metallurgical slag; chromium slag; metallurgical dust; green recycling; comprehensive utilization
(This special issue belongs to the Section Extractive Metallurgy)
Research and Application of Lightweight Metals
edited by
submission deadline 10 Mar 2026 | 1 articles | Viewed by 1091 | Submission Open
Keywords: lightweight metals; magnesium; aluminum; titanium; microstructure; application
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Smelting Process of Metals
edited by and
submission deadline 15 Mar 2026 | 1 articles | Viewed by 1188 | Submission Open
Keywords: pyrometallurgy; smelting optimization; decarbonization; slag chemistry; reaction kinetics; circular economy (metals); AI process control; emission control
Feature Papers in Crystallography and Applications of Metallic Materials (2nd Edition)
edited by
submission deadline 20 Mar 2026 | 5 articles | Viewed by 11418 | Submission Open
Keywords: crystallography; X-ray diffraction; metals; metallic alloys; and compounds; microstructure; crystallization; dislocations; texture; crystallographic defects; anisotropy; solid-state transformations; mechanical and functional properties
(This special issue belongs to the Section Crystallography and Applications of Metallic Materials)
Recent Developments of Non-Ferrous Alloys: Processing, Microstructure and Properties (2nd Edition)
edited by
submission deadline 20 Mar 2026 | 3 articles | Viewed by 4644 | Submission Open
Keywords: advanced structural characterization; high strength/toughness alloys; advanced functional alloys; advanced manufacturing process
Corrosion Behavior of Alloys in Water Environments
edited by
submission deadline 20 Mar 2026 | 4 articles | Viewed by 4540 | Submission Open
Keywords: alloy; corrosion mechanism; corrosion behaviour; corrosion simulation; water environments
(This special issue belongs to the Section Corrosion and Protection)
Advances in Lightweight Material Forming Technology
edited by Minqiang Gao
submission deadline 20 Mar 2026 | 3 articles | Viewed by 4229 | Submission Open
Keywords: lightweight material; forming technology; composition design; process optimization; microstructure evolution; comprehensive property; characterization method; mechanism analysis
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Corrosion Behavior and Surface Engineering of Metallic Materials
edited by
submission deadline 20 Mar 2026 | 3 articles | Viewed by 2692 | Submission Open
Keywords: metals; corrosion; hard coatings; physical vapor deposition; tribometers; fretting corrosion; potentiodynamic polarization
Advances in Mineral Processing and Hydrometallurgy—4th Edition
edited by
submission deadline 20 Mar 2026 | 2 articles | Viewed by 2551 | Submission Open
Keywords: characterization; economics; comminution; classification; separations; recycling; leaching; concentration; precipitation; reduction; waste minimization
(This special issue belongs to the Section Extractive Metallurgy)
High-Performance Aluminum Alloy: Design, Strengthening, Manufacturing and Application
edited by Crystopher Cardoso de Brito and
submission deadline 20 Mar 2026 | 1 articles | Viewed by 1396 | Submission Open
Keywords: high-performance aluminum alloys; alloy design and optimization; strengthening mechanisms; advanced manufacturing technologies; aerospace and automotive applications
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Smart Sensing and Artificial Intelligence in Metal Processing and Machining
edited by
submission deadline 20 Mar 2026 | 1 articles | Viewed by 380 | Submission Open
Keywords: artificial intelligence in metal processing; smart sensing and monitoring; machine vision and quality inspection; data-driven modeling and control; intelligent machining and forming
Advances in Additive Manufacturing for Metallic Materials and Their Applications (4th Edition) submission deadline 20 Mar 2026 | 1 articles | Viewed by 349 | Submission Open
Keywords: additive manufacturing process; optimization of AM process; rapid tooling; industrial applications; medical applications
(This special issue belongs to the Section Additive Manufacturing)
Advances in Research on Radiation Effects in Metals
edited by
submission deadline 20 Mar 2026 | Viewed by 298 | Submission Open
Keywords: radiation effects; micro-mechanical testing; back-scatter and transmission Kikuchi diffraction; crystal orientation and misorientation; digital image correlation; dislocations; microstructure
Hydrogen Embrittlement of Metals and Alloys
edited by Enrique Galindo-Nava and Wenwen Song
submission deadline 25 Mar 2026 | 5 articles | Viewed by 12569 | Submission Open
Keywords: hydrogen embrittlement; hydrogen diffusion and trapping; hydrogen permeation; material damage; hydrogen storage; hydrogen transport; metal manufacturing; high-strength steels; non-ferrous alloys
Fracture Mechanics of Metals (2nd Edition) submission deadline 25 Mar 2026 | 5 articles | Viewed by 6360 | Submission Open
Keywords: ductile fracture; brittle fracture; intergranular fracture; fatigue; fracture toughness; stress concentration; crack growth; defects
(This special issue belongs to the Section Metal Failure Analysis)
Additive Manufacturing of Metallic Materials: Experiments and Modelling submission deadline 25 Mar 2026 | 5 articles | Viewed by 5089 | Submission Open
Keywords: metallic additive manufacturing (MAM); process– structure– property relationships; microstructural evolution; mechanical behavior of AM metals; residual stress in additive manufacturing; computational modeling of AM; multiscale and multiphysics simulations; defects and porosity in AM; fatigue and fracture of AM components; machine learning for process control in AM; artificial intelligence for defect detection and quality assurance in AM
(This special issue belongs to the Section Additive Manufacturing)
Advanced Digital Design and Laser Manufacturing in Metallic Materials
edited by Zongbao Shen
submission deadline 25 Mar 2026 | 1 articles | Viewed by 1745 | Submission Open
Keywords: digital design; laser manufacturing; surface microstructures; integral topology structures; mechanical properties
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Innovative Fabrication and Characterization Techniques for Metal Powder Composites submission deadline 25 Mar 2026 | 1 articles | Viewed by 385 | Submission Open
Keywords: novel fabrication techniques for metal powder composites; powder metallurgy and additive manufacturing; mechanical alloying and sintering processes; spark plasma sintering and rapid densification methods; reinforcement selection and interface design; advanced microstructural characterization; mechanical and functional property evaluation; multi-scale modeling and simulation; in situ observation of deformation or phase transformations; applications in the aerospace; biomedical; energy; and other fields
(This special issue belongs to the Section Metal Matrix Composites)
Metallic Magnetic Materials: Manufacture, Properties and Applications
edited by , and Youlin Huang
submission deadline 31 Mar 2026 | 8 articles | Viewed by 11482 | Submission Open
Keywords: magnetism; metallic magnetic materials; magnetic simulations; magnetic characterization; magnetic structure; magnetic technology
(This special issue belongs to the Section Metallic Functional Materials)
Recent Progress in Metal Extraction and Recycling
edited by
submission deadline 31 Mar 2026 | 4 articles | Viewed by 10168 | Submission Open
Keywords: metal extraction; metal recycling; metal separation; comprehensive utilization; secondary metal resources; clean production process; waste control; technological new progress; molten slag; complex mineral
(This special issue belongs to the Section Extractive Metallurgy)
New Science-Based Concepts for Enhancing Efficiency in Battery Recycling submission deadline 31 Mar 2026 | 3 articles | Viewed by 7212 | Submission Open
Keywords: battery recycling; resource efficiency; circular economy; recovery; critical metals; waste minimization
(This special issue belongs to the Section Extractive Metallurgy)
Studies on Electrochemical Corrosion and Protection in Metals and Alloys submission deadline 31 Mar 2026 | 2 articles | Viewed by 5608 | Submission Open
Keywords: electrochemical corrosion; metals and alloys; corrosion protection; electrochemical methods; corrosive environments; inhibitors; protective coatings
(This special issue belongs to the Section Corrosion and Protection)
Cutting-Edge Innovations in Metal Recovery from Electronic Waste: Challenges, Techniques and Future Horizons
edited by
submission deadline 31 Mar 2026 | 2 articles | Viewed by 5339 | Submission Open
Keywords: e-waste recycling; metal recovery; circular economy; sustainable technologies; hydrometallurgy; pyrometallurgy; electrostatic separation; froth flotation; critical raw materials; WEEE management
Metal Corrosion Behavior and Protection in Service Environments
edited by and Bing Lei
submission deadline 31 Mar 2026 | 1 articles | Viewed by 3498 | Submission Open
Keywords: corrosion mechanism; corrosion protection; corrosion prediction; failure analysis; atmospheric corrosion; marine corrosion; metal corrosion; material safety
(This special issue belongs to the Section Corrosion and Protection)
Advances in 3D Printing Technologies of Metals—3rd Edition submission deadline 31 Mar 2026 | 1 articles | Viewed by 3066 | Submission Open
Keywords: metal 3D printing; vat photopolymerization with metal-filled resins; metal binder jetting; fused filament fabrication (FFF) with metal-filled filament; direct ink writing (DIW) with metal-filled ink; selective laser melting (SLM; DLMS; LMF; etc.); electron beam melting (EBM); wire arc additive manufacturing (WAAM); direct energy deposition (DED); laser-engineered net shaping (LENS)
(This special issue belongs to the Section Additive Manufacturing)
Laser Shock Peening: From Fundamentals to Applications
edited by and
submission deadline 31 Mar 2026 | 3 articles | Viewed by 2152 | Submission Open
Keywords: surface integrity; compressive residual stress; microstructure; properties and performance; energy-field-assisted LSP; ultra-short-pulse and micro-scale LSP; LSP without coating; LSP in additive manufacturing; real-time monitoring and quality prediction of LSP; process simulation and optimization of LSP
High-Entropy Alloys: Processing and Properties
edited by and Zhong Wang
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1972 | Submission Open
Keywords: high-entropy alloys; multi-principal element alloys; alloy design; phase design; segregation; industrial application; special alloys
(This special issue belongs to the Section Entropic Alloys and Meta-Metals)
Advances in Tribological Performance and Wear Mechanism of Metallic Materials
edited by and
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1539 | Submission Open
Keywords: metals and MMCs; lubricated wear; wear testing and monitoring; biotribology; fretting wear; extreme environment wear including high and low temperatures and vacuum
Surface Modification of Alloys
edited by
submission deadline 31 Mar 2026 | 1 articles | Viewed by 1483 | Submission Open
Keywords: alloys; surface engineering; surface modification; test and characterization; chemical properties; physical and mechanical properties; corrosion behavior; biocompatibility; industrial application; biomedical application
Sheet Metal Forming Processes
edited by Qiang Zhu
submission deadline 31 Mar 2026 | 2 articles | Viewed by 1169 | Submission Open
Keywords: sheet metal forming; formability; finite element analysis; springback control; sustainable manufacturing; tooling design; digital twin
(This special issue belongs to the Section Metal Casting, Forming and Heat Treatment)
Laser Processing of Metallic Material
edited by , Lan Chen and Xinzhou Zhang
submission deadline 31 Mar 2026 | 1 articles | Viewed by 760 | Submission Open
Keywords: laser precision machining; additive manufacturing; laser micro– nano machining; laser drilling; ultrafast laser processing
(This special issue belongs to the Section Additive Manufacturing)
Innovative Methods for Structural Health Monitoring of Metallic Mechanical Components
edited by Michelangelo S. Gulino and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 621 | Submission Open
Keywords: structural diagnostics; non-destructive evaluation; fatigue damage detection; real-time monitoring; embedded sensor networks; data fusion techniques; vibration-based assessment; AI-driven condition monitoring; in situ inspection methods
(This special issue belongs to the Section Structural Integrity of Metals)
Advances in Manufacturing and Machining Processes of Metals
edited by and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 531 | Submission Open
Keywords: manufacturing; machining; machine tools; cutting tools; additive manufacturing; sustainable manufacturing; Industry 4.0; high-precision machining
Mechanical and Functional Properties of Metal–Ceramic Composites for Harsh Environments
edited by
submission deadline 31 Mar 2026 | 1 articles | Viewed by 411 | Submission Open
Keywords: thermal shock; thermal stresses; mechanical loads; corrosion; classical ceramic refractories; refractory metal composites
(This special issue belongs to the Section Metallic Functional Materials)
Leaching, Extraction and Separation Technologies for Metals Recovery
edited by
submission deadline 31 Mar 2026 | Viewed by 395 | Submission Open
Keywords: leaching; extraction; separation; recovery
(This special issue belongs to the Section Extractive Metallurgy)
Advanced Characterization Techniques in Metallic Materials
edited by Wenchao Yang
submission deadline 31 Mar 2026 | Viewed by 328 | Submission Open
Keywords: X-ray photoelectron spectroscopy (XPS); multiscale characterization; metallic materials; electron microscopy (SEM/TEM); in situ characterization; artificial intelligence (AI) in materials science; surface and interface analysis; additive manufacturing characterization
Hydrogen Storage Alloys: State of the Art
edited by Félix Echeverría and
submission deadline 31 Mar 2026 | Viewed by 250 | Submission Open
Keywords: hydrogen storage capacity; solid-state hydrogen storage; metallic alloys; absorption/desorption kinetics; absorption/desorption thermodynamics; hydrogen storage battery
Innovations in Aluminum Production and Recycling
edited by Zhanwei Liu and
submission deadline 31 Mar 2026 | Viewed by 233 | Submission Open
Keywords: aluminum smelting; hydrometallurgy; aluminum ash utilization; energy conservation and emission reduction; resource utilization
Recent Advances in High-Performance Alloys and Cermets: Fabrication, Microstructure, and Properties
edited by and
submission deadline 31 Mar 2026 | Viewed by 199 | Submission Open
Keywords: high-performance alloys; advanced cermets; materials fabrication; microstructure characterization; mechanical properties
Advanced High-Energy Metal-Ion Batteries
edited by
submission deadline 31 Mar 2026 | Viewed by 186 | Submission Open
Keywords: metal-ion batteries; cathode; anode; electrolyte; prepare; electrochemical performance
Challenges and Future Trends in the Material Design of Hydrogen Storage Alloys
edited by
submission deadline 31 Mar 2026 | Viewed by 182 | Submission Open
Keywords: hydrogen storage materials; hydrides; hydrogen storage mechanism; hydrogen storage thermodynamics; reversible hydrogen absorption and desorption property; cycle life; pulverization and toxic failure
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