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Alloy steels play a pivotal role in modern society. Their continued development improves the human condition for everyone on earth. Their broad use has resulted in a wide variety of continuing challenges to address economic, manufacturing, and industrial issues. This book contains twenty-three papers covering a wide cross-section of alloy steels and technical problems. Readers interested in solving current manufacturing and application problems will find this issue helpful. The papers contained within cover a wide range of topics by a broad set of authors from across the globe. There are papers covering structure–property relations on various alloys. Other papers discuss the proper processing of alloy steels through the welding, electroslag remelting, and rolling processes. A significant number of the papers cover optimizing the heat treatment of traditional alloys as well as new alloys. There are papers that concentrate on providing real-world performance data on alloy steels, an important but under-studied topic. Of particular interest is a review on the welding of austenitic and duplex stainless steels that gives neophytes and experienced researchers an excellent introduction to the state-of-the-art. This collection of work should be valuable to anyone interested in alloy steels.
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The requirements for structural materials for generation IV atomic power plants are becoming more demanding since increased efforts are being made in order to build more efficient and sustainable reactors. Oxide dispersion strengthened (ODS) steels show a fine high temperature and irradiation stability. This study presents a model for the prediction of the optimal bonding parameters of the solid state bonding technique diffusion bonding. It is optimized by means of an experimental evaluation.
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There is growing interest in light metallic alloys for a wide number of applications owing to their processing efficiency, processability, long service life, and environmental sustainability. Aluminum, magnesium, and titanium alloys are addressed in this Special Issue, however, the predominant role played by aluminum. The collection of papers published here covers a wide range of topics that generally characterize the performance of the alloys after manufacturing by conventional and innovative processing routes.
aluminum alloy --- quenching process --- material property --- cooling rate --- plastic strain --- residual stress --- 2024-T4 aluminum alloys --- microarc oxidation --- anode pulse-width --- FEP --- adhesion strength --- wear resistance --- titanium aluminides --- hot compression --- dynamic recrystallization --- microstructure --- Al alloy --- remanufacturing --- hot rolling --- activation energy --- alloy --- 7XXX Al alloy --- spray deposited --- hot deformation behavior --- precipitation --- mechanical alloying --- Al–Si alloy --- mechanical properties --- consolidation --- Ti6Al4V titanium alloy --- resistance spot welding --- mechanical properties --- microstructure --- aluminum alloy --- 7003 alloy --- fatigue properties --- thermomechanical treatment --- fractography --- magnesium alloy --- compressive strength --- hot workability --- processing map --- hot forging --- Al-5Mg wire electrode --- Zr --- wire feedability --- microstructure --- mechanical properties --- commercially pure titanium --- rotary-die equal-channel angular pressing --- cold rolling --- ultra-fine grain --- tensile property --- creep --- hot working --- constitutive equations --- solid solution hardening --- high pressure die casting --- Al-Si-Cu alloys --- iron --- sludge --- intermetallics --- fatigue behavior --- high temperature --- tensile properties --- microstructural changes --- AlSi9Cu3(Fe) --- AlSi11Cu2(Fe) --- AlSi12Cu1(Fe) --- hydroforming --- springback --- FEM simulation --- UNS A92024-T3 --- hardening criteria --- selective laser melting --- AlSi10Mg alloy --- processing temperature --- aging treatment
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ca. 200 words; this text will present the book in all promotional forms (e.g. flyers). Please describe the book in straightforward and consumer-friendly terms.[Aluminium alloys are the most common non-ferrous materials utilised for a wide range of engineering applications, namely, automotive, aerospace, mould and structural industries, among others. The wide spread of these alloys in the modern word is due to the unique combination of material properties combining lightness, excellent strength, corrosion resistance, toughness, electrical and thermal conductivity, recyclability, and manufacturability. Last but not least, the relatively low cost of aluminium extrusion is important as it makes aluminium alloys very attractive for applications in different key sectors of the world economy. Despite great interest, extensive previous research, and knowledge accumulated in the past, recent advances in production and processing technologies, combined with the development of new and more ingenious and competitive products, require a profound understanding of the physical and mechanical behaviour of such alloys, specifically in terms of modelling and predictions of the fracture and fatigue life of aluminium alloy components. This Special Issue aims to gather scientific contributions from authors working in different scientific areas, including the improvement and modelling of mechanical properties, alloying design and manufacturing techniques, the characterization of microstructure and chemical composition, and advanced applications.
Aluminium alloys --- Structural integrity --- Manufacturing and processing techniques --- Alloy design --- Microstructure and texture --- Mechanical properties --- Loading history --- Environmental conditions --- Applications
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The use of lightweight structures across several industries has become inevitable in today’s world given the ever-rising demand for improved fuel economy and resource efficiency. In the automotive industry, composites, reinforced plastics, and lightweight materials, such as aluminum and magnesium are being adopted by many OEMs at increasing rates to reduce vehicle mass and develop efficient new lightweight designs. Automotive weight reduction with high-strength steel is also witnessing major ongoing efforts to design novel damage-controlled forming processes for a new generation of efficient, lightweight steel components. Although great progress has been made over the past decades in understanding the thermomechanical behavior of these materials, their extensive use as lightweight solutions is still limited due to numerous challenges that play a key role in cost competitiveness. Hence, significant research efforts are still required to fully understand the anisotropic material behavior, failure mechanisms, and, most importantly, the interplay between industrial processing, microstructure development, and the resulting properties. This Special Issue reprint book features concise reports on the current status in the field. The topics discussed herein include areas of manufacturing and processing technologies of materials for lightweight applications, innovative microstructure and process design concepts, and advanced characterization techniques combined with modeling of material’s behavior.
in-die quenching --- hot stamping --- heat transfer --- aluminium alloy --- Al-Cu-Mg alloy --- creep aging --- fatigue fracture behavior --- microstructure --- multi-output porthole extrusion --- aluminum alloy --- thin-walled profile --- metal flow --- optimization --- Mg-Al-Ba-Ca alloy --- microstructure --- strength --- hot working --- kinetic analysis --- processing map --- hybrid composite material --- V-bending test --- spring-back --- surface roughness --- shear lap test --- magnesium alloys --- texture --- formability --- rolling --- hot stamping --- transmission line fittings --- multilayered sheets --- contact heat transfer --- non-ferrous alloys --- ceramic core --- FEA --- HPDC --- de-coring --- material characterization --- light metals --- processing --- severe plastic deformation --- high pressure torsion extrusion --- finite element model --- equivalent strain --- mechanical properties --- damage --- characterization --- automated void recognition --- density --- bending --- stress superposition --- n/a
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As we all know, electrons carry both charge and spin. The processing of information in conventional electronic devices is based only on the charge of electrons. Spin electronics, or spintronics, uses the spin of electrons, as well as their charge, to process information. Metals, semiconductors, and insulators are the basic materials that constitute the components of electronic devices, and these types of materials have been transforming all aspects of society for over a century. In contrast, magnetic metals, half-metals (including zero-gap half-metals), magnetic semiconductors (including spin-gapless semiconductors), dilute magnetic semiconductors, and magnetic insulators are the materials that will form the basis for spintronic devices. This book aims to collect a range of papers on novel materials that have intriguing physical properties and numerous potential practical applications in spintronics.
Heusler alloy --- spin gapless semiconductor --- electronic structure --- spin transport --- quaternary Heusler compound --- first-principle calculations --- physical nature --- electronic property --- magnetism --- bulk CrSi2 --- monolayer CrSi2 --- first-principle --- Heusler alloy --- electronic structure --- magnetism --- doping --- Heusler alloy --- interface structure --- magnetism --- spin polarization --- first-principles method --- half-metallicity --- equiatomic quaternary Heusler compounds --- Nb (100) surface --- Mo doping --- H adsorption --- H diffusion --- first-principles calculation --- quaternary Heusler alloy --- doping --- spin polarization --- half-metallicity --- magnetism --- skyrmion --- Dzyaloshinskii–Moriya interaction --- exchange energy --- magnetic anisotropy --- half-metallic materials --- first-principles calculations --- quaternary Heusler compound --- phase stability --- magnetic properties --- covalent hybridization --- MgBi2O6 --- optical properties --- mechanical anisotropy --- lattice dynamics --- first-principles calculations --- half-metallic material --- first principles --- Prussian blue analogue --- pressure --- n/a
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The need to reduce the ecological footprint of water/land/air vehicles in this era of climate change requires pushing the limits regarding the development of lightweight structures and materials. This requires a thorough understanding of their thermomechanical behavior at several stages of the production chain. Moreover, during service, the response of lightweight alloys under the simultaneous influence of mechanical loads and temperature can determine the lifetime and performance of a multitude of structural components. The present Special Issue, comprising eight original research articles, is dedicated to disseminating current efforts around the globe aimed at advancing understanding of the thermomechanical behavior of structural lightweight alloys under processing or service conditions.
magnesium alloys --- alloying --- second phases --- dynamic recrystallization --- mechanical properties --- aluminum nanocomposites --- aluminum welding --- TIG fillers --- electrical conductivity --- wire fabrication --- aluminium alloy --- 7003 alloy --- corrosion resistance --- thermomechanical treatment --- TEM --- X-ray diffraction --- magnesium alloys --- ECAP --- powder metallurgy --- mechanical properties --- LPSO-phase --- magnesium alloys --- zinc addition --- neodymium --- Mg-Nd-Zn alloys --- deformation behaviour --- in situ synchrotron radiation diffraction --- Cast Al-Si alloys --- 3D characterization --- synchrotron tomography --- in-situ tensile deformation --- 3D microstructure --- damage --- strength --- connectivity --- thermomechanical treatment --- aluminium alloy --- recovery --- recrystallisation --- dislocations --- materials modelling --- AlMgSi alloy --- EN AW-6082 --- welding --- mechanical properties --- microstructure --- DSC --- thermo-mechanical analysis --- digital image correlation --- tensile test --- numerical simulation --- n/a
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The aim of this Special Issue is to present the latest theoretical and experimental achievements concerning the mechanisms of microstructural change in metallic materials subject to different processing methods, and their effect on mechanical properties. It is my pleasure to present a series of compelling scientific papers written by scientists from the community of transition group metals, alloys, and intermetallic compounds.
metal matrix composites --- laser metal deposition --- Inconel 625 --- additive manufacturing --- laser processing --- metal matrix composites --- Z-pin reinforcement --- delamination --- carbon fiber --- strengthening mechanisms --- severe plastic deformation (SPD) --- cross-channel extrusion (CCE) --- back pressure (BP) --- numerical simulation (FEM) --- physical modeling technique (PMT) --- metal–matrix composites (MMCs) --- carbon fiber --- mechanical properties --- z-pin reinforcement --- laminate --- titanium alloys --- high pressure torsion --- microhardness --- Cu–Ag alloy --- high-pressure torsion --- ultrafine microstructure --- phase dissolution --- microhardness --- friction stir welding --- heat treatment --- AA2519 --- microstructure --- fatigue --- fractography --- AZ91 --- magnesium alloys --- creep --- high pressure die casting --- additive manufacturing --- Ti-6Al-4V --- LENS --- mechanical characterization --- twin roll casting --- magnesium alloy --- calcium --- Mg-Zn-Al-Ca alloy --- texture --- flow curve --- processing map --- honeycomb structure --- additive manufacturing --- laser engineered net shaping --- LENS --- Ti6Al4V alloy --- energy absorption --- dynamic tests --- solidification thermal parameters --- Cu-Al-Ni-Fe bronze alloys --- hardness --- microhardness --- specific intermetallics --- MAX phase --- Ti3SiC2 --- composite --- high energy ball milling --- spark plasma sintering --- structure --- mechanical properties --- deformation behavior --- tribaloy-type alloy --- CoCrMoSi alloy coatings --- T-800 alloy --- Laves phase --- Laser Engineered Net Shaping (LENSTM) --- electron microscopy (in situ SEM) --- delamination --- metal matrix composites (MMCs) --- z-pinning
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Neutron and Synchrotron radiation methods have matured to become powerful techniques for the study of a vast range of materials, including metals. The characterization methods comprise the categories of diffraction, spectroscopy and imaging, which themselves can alter greatly in detail, to include hundreds of variants, problems and sample environments. In a similar way, their applications to metals and hard condensed matter materials cover disciplines spanning engineering, physics, chemistry, materials science and their derivatives such as geology, energy storage, etc. … The present book, “Metals Challenged by Neutron and Synchrotron Radiation” is a first compilation in Metals of 20 original and review works on research utilizing or designing those state-of-the-art techniques at modern facilities. The Editorial reviews the context of and identifies thematic links between these papers, grouping them into five interwoven themes, namely Sintering Techniques and Microstructure Evolution, Titanium Aluminides and Titanium Alloys Under Extreme Conditions, Metallic Glass and Disordered Crystals, In Situ and Time-Resolved Response to Mechanical Load and Shock, and Thin Films and Layers. This book represents a good cross-section of the status quo of neutron and synchrotron radiation with respect to questions in the metallurgical field, which by far is not exhaustive. Nor are the methods and other materials, which motivated me to the creation of a new sister-journal, entitled Quantum Beam Science. With this, I would like to thank all authors, reviewers and contributors behind the scene for the creation of this work, presenting to you a piece of interesting reading and reference literature.
Neutron scattering --- synchrotron radiation --- X-rays --- in-situ studies --- thermo-mechanical processing --- sintering techniques --- microstructure evolution --- disorder --- extreme conditions --- phase transformation --- shock wave --- high pressure --- high temperature --- thin films --- titanium --- titanium aluminide --- steel --- metallic glass --- zirconium alloy --- hydrogen storage.
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High-strength low-alloy steels are designed to provide specific desirable combinations of properties, such as strength, toughness, formability, weldability, and corrosion resistance. These features make them ideal for critical applications under severe service conditions and in aggressive environments, namely rail and road vehicles, passenger car components, construction machinery, industrial equipment, offshore structures, gas pipelines, and bridges, among others. This Special Issue aims to address the mechanical behavior of high-strength low-alloy steels from different perspectives, namely in terms of mechanical deformation, damage, and failure. It gathers scientific contributions from authors working in various fields, for instance processing techniques, the modeling of the mechanical behavior, the characterization of material microstructure, the influence of environmental parameters, temperature dependence, as well as advanced applications.
High-strength steels --- advanced high-strength steels --- ultra high-strength steels --- dual-phase steels --- complex-phase steels --- transformation-induced plasticity steels --- bainitic steels --- alloy design --- processing techniques --- heat treatments --- surface protection --- structural integrity --- mechanical behaviour.
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