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Three-dimensional printing is a futuristic technology capable of transforming the ways in which we make components and devices. It is almost certain that this technique will find its niche in the manufacturing sector in the very near future. In view of the growing importance of 3D printing, this book addresses key issues related to emerging science and technology in this area. Detailed and informative articles are presented in relation to a wide variety of materials, including those based on critical engineering metals such as aluminum, magnesium, titanium and composites. Advances in various techniques, such as electron beam melting and selective laser melting are discussed. Of key importance in the area of materials science is the end properties of the materials following processing. Accordingly, the articles presented critically discuss the effects of microstructural features such as porosity, forming defects and the heat treatment induced effects on the mechanical properties. Applications covered in these articles are targeted at the aerospace, automobile, defense and aerospace sectors. Overall, the information presented in this book is of significant importance for academic and industrial-based researchers who wish to inform themselves regarding this upcoming highly promising manufacturing technique.
composites --- laser metal deposition --- additive manufacturing --- titanium --- selective laser melting --- magnesium --- aluminum --- 3D printing --- electron beam melting
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Almost all processing of technologically important materials includes a process where liquid material is cooled to form a solid, called ""solidification."" In order to form a solid from an undercooled melt, the formation of crystalline nuclei and growth of these nuclei to form a solid are necessary. The process of an atom jumping from the liquid to the solid is a diffusive jump with a driving force. The book Solidification is logically developed through a careful presentation of the relevant theories and models of solidification occurring in a variety of materials. Mathematicians, chemists, physicists, and engineers concerned with melting/freezing phenomena will also find this book to be valuable.
Solidification. --- Crystallization --- Heat --- Melting points --- Solutions, Solid --- Physical Sciences --- Engineering and Technology --- Materials Science
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3D printing is rapidly emerging as a key manufacturing technique that is capable of serving a wide spectrum of applications, ranging from engineering to biomedical sectors. Its ability to form both simple and intricate shapes through computer-controlled graphics enables it to create a niche in the manufacturing sector. Key challenges remain, and a great deal of research is required to develop 3D printing technology for all classes of materials including polymers, metals, ceramics, and composites. In view of the growing importance of 3D manufacturing worldwide, this Special Issue aims to seek original articles to further assist in the development of this promising technology from both scientific and technological perspectives. Targeted reviews, including mini-reviews, are also welcome, as they play a crucial role in educating students and young researchers.
n/a --- microstructure --- reversed austenite --- corrosion behavior --- advanced X-ray computed tomography (XCT) --- additive manufacturing --- forming defects --- single strut --- wear properties --- thermodynamic behavior --- laser deposition welding --- titanium alloys --- SLM structure performance --- porosity --- formation mechanism --- magnesium --- part redesign --- forming morphology --- microhardness --- bonding quality --- electron beam melting --- mechanical properties --- frame structure reconstruction --- aging behaviour --- aluminum matrix composites --- Selective Laser Melting (SLM) --- maraging steel --- tailored blanks --- selective laser melting --- selective laser melting (SLM) --- 3D printing --- Ti6Al4V
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Materials science --- Science des matériaux --- Periodicals. --- Périodiques --- Materials science. --- Material science --- Physical sciences --- high-melting point compounds --- metallurgy --- ceramics --- biological materials --- metals --- metallurgy --- ceramics --- polymers --- nanostructure materials --- Materials nanoestructurats. --- Enginyeria civil. --- Ciència dels materials. --- Science des matériaux
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The characterization of the physical and chemical properties of transition metals and their compounds under extreme conditions of pressure and temperature has always attracted the interest of a wide scientific community. Their properties have numerous implications in fields ranging from solid-state physics, chemistry, and materials science to Earth and planetary science. The present Special Issue represents a good example of such a broad interest and shows some of the latest advancements in the investigation of transition metals under extreme conditions of pressure and temperature.
vanadate --- kagome compound --- high pressure --- X-ray diffraction --- equation of state --- iodate --- infrared spectroscopy --- phase transitions --- grain refinement --- mechanical properties --- commercial purity aluminum --- zirconium --- Nb3Sn --- local atomic structure --- XAFS --- melting curves --- laser-heated diamond anvil cell --- extreme conditions --- synchrotron radiation --- transition metals --- iridium --- laser heating --- density-functional theory --- melting --- radial-distribution function --- quantum molecular dynamics --- melting curve --- solid–solid phase transition boundary --- multi-phase materials --- phase relation --- Earth’s core --- iron alloys --- high-pressure --- high-temperature --- thermodynamics --- eutectic spacing --- Al-Si alloy --- superheat --- electrical resistivity --- iron sulfides --- high temperature --- Ganymede --- thermal convection --- creep testing --- ME21 --- magnesium alloy --- size effects --- miniature specimen --- PbTe --- substitutional disorder --- thermal expansion --- bulk modulus --- atomic displacement --- low temperature --- compression --- Debye temperature --- n/a --- solid-solid phase transition boundary --- Earth's core
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Additive Manufacturing (AM), more popularly known as 3D printing, is transforming the industry. AM of metal components with virtually no geometric limitations has enabled new product design options and opportunities, increased product performance, shorter cycle time in part production, total cost reduction, shortened lead time, improved material efficiency, more sustainable products and processes, full circularity in the economy, and new revenue streams. This Special Issue of Metals gives an up-to-date account of the state of the art in AM.
additive manufacturing --- support structures --- electron beam melting --- support structure removability --- biological origin hydroxyapatite --- bioactive layers --- cranial mesh implants --- selective laser melting --- 3D printing --- radio-frequency magnetron sputtering --- powder bed fusion --- single crystal --- grain selection --- cavity resonators --- filters --- microwave --- plating --- stereolithography --- thermal expansion --- three-dimensional printing --- directed energy deposition --- EN AW-7075 --- porosity --- ultimate tensile strength --- wire arc additive manufacturing --- WAAM --- microstructure --- magnesium --- mechanical properties --- scanning electron microscopy --- electron backscattered diffraction method --- direct energy deposition --- cold metal transfer --- 5356-aluminum --- temperature distribution --- metal powder bed fusion --- Ti–6Al–4V --- residual stresses --- heat treatments --- electron beam melting (EBM) --- process window --- stainless steel --- 316LN --- powder methods --- additive manufacturing (AM) --- post-processing --- 316L stainless-steel --- electron microscopy --- rapid tooling --- laser-based powder bed fusion (L-PBF) --- production tools --- cold working --- hot working --- injection molding --- n/a --- Ti-6Al-4V
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This special issue provides a current snapshot of recent advances and ongoing challenges in the development of titanium alloys for biomedical implants and devices. Titanium offers significant advantages over other materials including higher strength and better biocompatibility. This issue highlights current trends and recent developments, including the uptake of additive manufacturing (3D printing), and approaches to improve processing and performance of titanium alloys for medical applications.
selective laser melting --- gradient structure --- porous biomaterial --- Ti6Al4V --- mechanical properties --- osteoblast --- biomechanics --- dental implant(s) --- in vitro --- systematic reviews --- evidence-based medicine --- atrophic maxilla --- titanium hybrid-plates --- finite element analysis --- biomechanical analysis --- single-point incremental forming --- AHP --- cranioplasty plates --- decision-making --- titanium alloys --- medical devices --- machining --- titanium --- temperature --- strain --- grain refinement --- ultrafine --- nanocrystalline --- mechanical characterization --- press-fit --- primary stability --- Ti-6Al-4V --- additive manufacturing --- selective laser melting (SLM) --- electron beam melting (EBM) --- direct metal deposition (DMD) --- wire and arc additive manufacturing (WAAM) --- diffraction line profile analysis --- extended convolution multiple whole profile (eCMWP) --- implanted electrodes --- electrical stimulation --- corrosion --- mandibular reconstruction --- scaffolds --- reconstruction plate --- 3D printing --- titanium alloy --- Titanium alloys --- Ti-6Al-4V-ELI --- fatigue --- laser cutting --- post-processing --- α’-martensite --- HAZ --- barrel grinding --- notch --- fracture
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The advent of additive manufacturing (AM) processes applied to the fabrication of structural components creates the need for design methodologies supporting structural optimization approaches that take into account the specific characteristics of the process. While AM processes enable unprecedented geometrical design freedom, which can result in significant reductions of component weight, on the other hand they have implications in the fatigue and fracture strength due to residual stresses and microstructural features. This is linked to stress concentration effects and anisotropy that still warrant further research. This Special Issue of Applied Sciences brings together papers investigating the features of AM processes relevant to the mechanical behavior of AM structural components, particularly, but not exclusively, from the viewpoints of fatigue and fracture behavior. Although the focus of the issue is on AM problems related to fatigue and fracture, articles dealing with other manufacturing processes with related problems are also be included.
residual stress/strain --- electron beam melting --- diffraction --- Ti-6Al-4V --- electron backscattered diffraction --- X-ray diffraction --- Selective Laser Melting --- Ti6Al4V --- residual stress --- deformation --- preheating --- relative density --- powder degradation --- wire and arc additive manufacturing --- additive manufacturing --- microstructure --- mechanical properties --- applications --- Fe-based amorphous coating --- laser cladding --- property --- titanium --- microstructural modeling --- metal deposition --- finite element method --- dislocation density --- vacancy concentration --- directed energy deposition --- defects --- hardness --- alloy 718 --- hot isostatic pressing --- post-treatment --- Alloy 718 --- surface defects --- encapsulation --- coating --- fatigue crack growth (FCG) --- electron beam melting (EBM) --- hydrogen embrittlement (HE) --- wire arc additive manufacturing --- precipitation hardening --- Al–Zn–Mg–Cu alloys --- microstructure characterisation --- titanium alloy --- Ti55511 --- synchrotron --- XRD --- microscopy --- SLM --- EBM --- EBSD --- Rietveld analysis --- WAAM --- GMAW --- energy input per unit length --- processing strategy --- contact tip to work piece distance --- electrical stickout
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This book is a printed edition of the Special Issue of Crystals entitled Pressure-Induced Phase Transformations. It includes selected articles on the behavior of matter under high-pressure and high-temperature conditions, describing and discussing contemporary achievements, which were selected based on their relevance and scientific quality.
vanadate --- zircon --- high pressure --- band gap --- phase transition --- optical absorption --- benzene phase I --- homogeneous melting --- Ostwald’s step rule --- molecular dynamics simulation --- metastable phase --- melting transition --- Fe --- electrical resistivity --- thermal conductivity --- heat flow --- thermal and chemical convection --- sesquioxides --- phase transitions --- Laue diffraction --- mechanisms of phase transitions --- reactivity --- tungsten --- rhenium --- carbon dioxide --- carbonates --- high-pressure high-temperature experiments --- quantum spin liquids --- frustrated magnets --- quantum phase transitions --- high-pressure measurements --- phase diagram --- quantum molecular dynamics --- melting curve --- Z methodology --- multi-phase materials --- epsomite --- dehydration reaction --- Raman spectra --- electrical conductivity --- high-pressure phase transitions --- molecular crystals --- computational methods --- DFT and Force Field methods --- energy calculations --- intermolecular interactions --- Landau theory --- nonlinear elasticity theory --- perovskites --- fullerenes --- polymerization --- pressure-induced --- Raman --- infrared laser --- laser-heated diamond anvil cell --- synchrotron radiation --- extreme conditions --- n/a
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Additive manufacturing (AM) is one of the manufacturing processes that warrants the attention of industrialists, researchers, and scientists. AM has the ability to fabricate materials to produce parts with complex shapes without any theoretical restrictions combined with added functionalities. Selective laser melting (SLM), also known as laser-based powder bed processing (LPBF), is one of the main AM process that can be used to fabricate wide variety of materials that are Al-, Ti-, Fe-, Ni-, Co-, W-, Ag-, and Au-based, etc. However, several challenges need to be addressed systematically, such as development of new materials that suit the SLM process conditions so the process capabilities can be fully used to produce new properties in these materials. Other issues in the field are the lack of microstructure–property correlations, premature failure, etc. Accordingly, this Special Issue (book) focuses mainly on the microstructure-correlation in three different alloys: AlSi10Mg, Ti6Al4V, and 304L stainless steel, where six articles are presented. Hence, this Special Issue outlines microstructure–property correlations in the SLM processed materials and provides a value addition to the field of AM.
n/a --- geometrical dimensioning and tolerancing (GD and T) --- Ti–6Al–4V --- microstructure --- compression testing --- analytical melt pool calculation --- stainless steel --- build orientation --- surface roughness --- process variability --- Tukey’s test --- additive manufacturing --- phase change --- AlSi10Mg --- analysis of variance --- SLM --- repeatability and reproducibility --- inter-repeatability --- distortion analysis --- laser powder bed fusion --- porosity --- dimensional quality analysis --- cylindrical symmetry --- metrology --- mechanical properties --- HIP --- fatigue strength --- process capability --- hatch angle --- line heat source --- selective laser melting --- selective laser melting (SLM) --- intra-repeatability --- Ti-6Al-4V --- Tukey's test
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