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3D Printing of Metals

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ISBN: 9783039213412 9783039213429 Year: Pages: 138 DOI: 10.3390/books978-3-03921-342-9 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:15
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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.

3D Printing of Metals

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ISBN: 9783038425915 9783038425922 Year: Pages: VIII, 156 DOI: 10.3390/books978-3-03842-592-2 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2017-12-06 12:54:59
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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.

Selective Laser Melting: Materials and Applications

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ISBN: 9783039285785 / 9783039285792 Year: Pages: 98 DOI: 10.3390/books978-3-03928-579-2 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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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.

Additive Manufacturing: Alloy Design and Process Innovations

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ISBN: 9783039283521 / 9783039283538 Year: Pages: 372 DOI: 10.3390/books978-3-03928-353-8 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
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Additive manufacturing (AM) is one of the manufacturing processes that warrants the attention of industrialists, researchers and scientists, because of its ability to produce materials with a complex shape without theoretical restrictions and with added functionalities. There are several advantages to employing additive manufacturing as the primary additive manufacturing process. However, there exist several challenges that need to be addressed systematically. A couple such issues are alloy design and process development. Traditionally alloys designed for conventional cast/powder metallurgical processes were fabricated using advanced AM processes. This is the wrong approach considering that the alloys should be coined based on the process characteristics and meta-stable nature of the process. Hence, we must focus on alloy design and development for AM that suits the AM processes. The AM processes, however, improve almost every day, either in terms of processing capabilities or processing conditions. Hence, the processing part warrants a section that is devoted to these advancements and innovations. Accordingly, the present Special Issue (book) focuses on two aspects of alloy development and process innovations. Here, 45 articles are presented covering different AM processes including selective laser melting, electron beam melting, laser cladding, direct metal laser sintering, ultrasonic consolidation, wire arc additive manufacturing, and hybrid manufacturing. I believe that this Special Issue bears is vital to the field of AM and will be a valuable addition.

Keywords

concrete --- slag --- valorization --- cement --- circular economy --- wire feeding additive manufacturing --- wire lateral feeding --- macro defects --- side spatters --- selective laser melting --- numerical analysis --- thermal behaviour --- AlSi10Mg alloy --- design --- disc brake --- 3D metal printing --- direct metal laser sintering --- thermal stress analysis --- radial grooves --- nickel alloys --- Hastelloy X alloy --- additive manufacturing --- microstructure --- scanning electron microscopy (SEM) --- laser powder bed fusion (LPBF) --- selective laser melting --- titanium alloy --- heat treatment --- microstructure --- microhardness measurement --- arc additive manufacturing --- Al–5Si alloy --- pulse frequency --- arc current --- microstructure --- porosity --- 2219 aluminum alloy --- constitutive model --- microstructural evolution --- continuous dynamic recrystallization --- hot deformation --- selective laser melting --- amorphous alloy --- finite element analysis --- residual stress --- 2219 aluminum alloy --- intermediate thermo-mechanical treatment --- storage energy --- CuAl2 phase --- grain refinement --- selective laser melting --- GH4169 --- temperature and stress fields --- simulation --- model --- selective laser melting --- divisional scanning --- residual stress --- deformation --- thermal conductivity --- tensile strength --- inoculation --- gray cast iron --- additive manufacturing --- selective laser melting --- AlSi10Mg --- Al6061 --- SLM process parameters --- performance characteristics --- AlSi10Mg --- multi-laser manufacturing --- selective laser melting --- microstructure --- mechanical property --- additive manufacturing --- metal powders --- powder flowability --- powder properties --- aluminum --- water absorption --- laser cladding deposition --- 12CrNi2 alloy steel powder --- substrate preheating --- microstructure and properties --- residual stress --- ultrafast laser --- femtosecond --- ablation --- scanning --- additive surface structuring --- hydrophobicity --- parts design --- additive manufacturing --- fused filament fabrication --- fatigue --- Taguchi --- ABS --- additive manufacturing --- selective laser melting --- AlSi10Mg --- Al6061 --- SLM process parameters --- quality of the as-built parts --- aluminum alloys --- selective laser melting (SLM) --- mechanical properties --- selective laser melting --- H13 tool steel --- process parameters --- scanning strategy --- support strategy --- porosity reduction --- selective laser melting --- Ti6Al4V alloy --- martensitic transformation --- texture evolution --- mechanical properties --- M300 mold steel --- elastic abrasive --- PSO-BP neural network algorithm --- parameter optimization --- WxNbMoTa --- refractory high-entropy alloy --- laser cladding deposition --- rapid solidification --- bulk metallic glasses --- selective laser melting --- Cu50Zr43Al7 --- mechanical properties --- Ti-6Al-4V --- wear --- additive manufacturing --- properties --- in-process temperature in MPBAM --- analytical modeling --- high computational efficiency --- molten pool evolution --- laser power absorption --- latent heat --- scanning strategy --- powder packing --- graphene nano-sheets (GNSs) --- epoxy solder --- intermetallic compound (IMC) --- laser powder bed fusion --- additive manufacturing --- aluminum --- composition --- mechanical properties --- localized inductive heating --- hot stamping steel blanks --- tailored properties --- magnetizer --- selective laser melting --- AlSi10Mg alloy --- dynamic properties --- impact --- crystallographic texture --- Additive manufacturing --- selective laser melting --- volumetric heat source --- thermal capillary effects --- melt pool size --- selective laser melting --- Inconel 718 --- crystallographic texture --- subgranular dendrites --- epitaxial growth --- 3D printing --- continuous carbon fiber --- thermosetting epoxy resin --- mechanical properties --- Powder bed --- fatigue --- Hot Isostatic Pressure --- Electron Beam Melting --- stability lobe diagram --- milling --- process-damping --- dynamic characteristics --- thin-walled weak rigidity parts --- Al–Si --- selective laser melting (SLM) --- microstructure --- mechanical properties --- selective laser melting --- microstructure --- defects --- Inconel 718 --- laser energy density --- selective laser melting --- molten pool dynamic behavior --- equivalent processing model --- workpiece scale --- nickel-based superalloy --- numerical simulation --- metallic glasses --- composite materials --- interfaces --- additive manufacturing --- ultrasonic bonding --- 3D printing --- Al–Mg–Si alloy --- quenching rate --- microstructures --- mechanical properties --- paint bake-hardening --- precipitates --- additive manufacturing --- powder bed fusion --- selective laser melting --- regular mixing --- ball milling --- flowability --- Ti-6Al-4V --- microstructure --- element segregation --- laves phase --- vanadium --- laser cladding --- arc additive manufacture --- Al–Mg alloy --- Mg content --- microstructure --- mechanical properties --- n/a

Additive Manufacturing: Alloy Design and Process Innovations

Authors: ---
ISBN: 9783039284146 / 9783039284153 Year: Pages: 352 DOI: 10.3390/books978-3-03928-415-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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Abstract

Additive manufacturing (AM) is one of the manufacturing processes that warrants the attention of industrialists, researchers and scientists, because of its ability to produce materials with a complex shape without theoretical restrictions and with added functionalities. There are several advantages to employing additive manufacturing as the primary additive manufacturing process. However, there exist several challenges that need to be addressed systematically. A couple such issues are alloy design and process development. Traditionally alloys designed for conventional cast/powder metallurgical processes were fabricated using advanced AM processes. This is the wrong approach considering that the alloys should be coined based on the process characteristics and meta-stable nature of the process. Hence, we must focus on alloy design and development for AM that suits the AM processes. The AM processes, however, improve almost every day, either in terms of processing capabilities or processing conditions. Hence, the processing part warrants a section that is devoted to these advancements and innovations. Accordingly, the present Special Issue (book) focuses on two aspects of alloy development and process innovations. Here, 45 articles are presented covering different AM processes including selective laser melting, electron beam melting, laser cladding, direct metal laser sintering, ultrasonic consolidation, wire arc additive manufacturing, and hybrid manufacturing. I believe that this Special Issue bears is vital to the field of AM and will be a valuable addition.

Keywords

concrete --- slag --- valorization --- cement --- circular economy --- wire feeding additive manufacturing --- wire lateral feeding --- macro defects --- side spatters --- selective laser melting --- numerical analysis --- thermal behaviour --- AlSi10Mg alloy --- design --- disc brake --- 3D metal printing --- direct metal laser sintering --- thermal stress analysis --- radial grooves --- nickel alloys --- Hastelloy X alloy --- additive manufacturing --- microstructure --- scanning electron microscopy (SEM) --- laser powder bed fusion (LPBF) --- selective laser melting --- titanium alloy --- heat treatment --- microstructure --- microhardness measurement --- arc additive manufacturing --- Al–5Si alloy --- pulse frequency --- arc current --- microstructure --- porosity --- 2219 aluminum alloy --- constitutive model --- microstructural evolution --- continuous dynamic recrystallization --- hot deformation --- selective laser melting --- amorphous alloy --- finite element analysis --- residual stress --- 2219 aluminum alloy --- intermediate thermo-mechanical treatment --- storage energy --- CuAl2 phase --- grain refinement --- selective laser melting --- GH4169 --- temperature and stress fields --- simulation --- model --- selective laser melting --- divisional scanning --- residual stress --- deformation --- thermal conductivity --- tensile strength --- inoculation --- gray cast iron --- additive manufacturing --- selective laser melting --- AlSi10Mg --- Al6061 --- SLM process parameters --- performance characteristics --- AlSi10Mg --- multi-laser manufacturing --- selective laser melting --- microstructure --- mechanical property --- additive manufacturing --- metal powders --- powder flowability --- powder properties --- aluminum --- water absorption --- laser cladding deposition --- 12CrNi2 alloy steel powder --- substrate preheating --- microstructure and properties --- residual stress --- ultrafast laser --- femtosecond --- ablation --- scanning --- additive surface structuring --- hydrophobicity --- parts design --- additive manufacturing --- fused filament fabrication --- fatigue --- Taguchi --- ABS --- additive manufacturing --- selective laser melting --- AlSi10Mg --- Al6061 --- SLM process parameters --- quality of the as-built parts --- aluminum alloys --- selective laser melting (SLM) --- mechanical properties --- selective laser melting --- H13 tool steel --- process parameters --- scanning strategy --- support strategy --- porosity reduction --- selective laser melting --- Ti6Al4V alloy --- martensitic transformation --- texture evolution --- mechanical properties --- M300 mold steel --- elastic abrasive --- PSO-BP neural network algorithm --- parameter optimization --- WxNbMoTa --- refractory high-entropy alloy --- laser cladding deposition --- rapid solidification --- bulk metallic glasses --- selective laser melting --- Cu50Zr43Al7 --- mechanical properties --- Ti-6Al-4V --- wear --- additive manufacturing --- properties --- in-process temperature in MPBAM --- analytical modeling --- high computational efficiency --- molten pool evolution --- laser power absorption --- latent heat --- scanning strategy --- powder packing --- graphene nano-sheets (GNSs) --- epoxy solder --- intermetallic compound (IMC) --- laser powder bed fusion --- additive manufacturing --- aluminum --- composition --- mechanical properties --- localized inductive heating --- hot stamping steel blanks --- tailored properties --- magnetizer --- selective laser melting --- AlSi10Mg alloy --- dynamic properties --- impact --- crystallographic texture --- Additive manufacturing --- selective laser melting --- volumetric heat source --- thermal capillary effects --- melt pool size --- selective laser melting --- Inconel 718 --- crystallographic texture --- subgranular dendrites --- epitaxial growth --- 3D printing --- continuous carbon fiber --- thermosetting epoxy resin --- mechanical properties --- Powder bed --- fatigue --- Hot Isostatic Pressure --- Electron Beam Melting --- stability lobe diagram --- milling --- process-damping --- dynamic characteristics --- thin-walled weak rigidity parts --- Al–Si --- selective laser melting (SLM) --- microstructure --- mechanical properties --- selective laser melting --- microstructure --- defects --- Inconel 718 --- laser energy density --- selective laser melting --- molten pool dynamic behavior --- equivalent processing model --- workpiece scale --- nickel-based superalloy --- numerical simulation --- metallic glasses --- composite materials --- interfaces --- additive manufacturing --- ultrasonic bonding --- 3D printing --- Al–Mg–Si alloy --- quenching rate --- microstructures --- mechanical properties --- paint bake-hardening --- precipitates --- additive manufacturing --- powder bed fusion --- selective laser melting --- regular mixing --- ball milling --- flowability --- Ti-6Al-4V --- microstructure --- element segregation --- laves phase --- vanadium --- laser cladding --- arc additive manufacture --- Al–Mg alloy --- Mg content --- microstructure --- mechanical properties --- n/a

Light Weight Alloys: Processing, Properties and Their Applications

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ISBN: 9783039289196 / 9783039289202 Year: Pages: 238 DOI: 10.3390/books978-3-03928-920-2 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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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.

Keywords

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

Micro/Nano Manufacturing

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ISBN: 9783039211692 9783039211708 Year: Pages: 208 DOI: 10.3390/books978-3-03921-170-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General)
Added to DOAB on : 2019-12-09 11:49:15
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Micro manufacturing involves dealing with the fabrication of structures in the size range of 0.1 to 1000 µm. The scope of nano manufacturing extends the size range of manufactured features to even smaller length scales—below 100 nm. A strict borderline between micro and nano manufacturing can hardly be drawn, such that both domains are treated as complementary and mutually beneficial within a closely interconnected scientific community. Both micro and nano manufacturing can be considered as important enablers for high-end products. This Special Issue of Applied Sciences is dedicated to recent advances in research and development within the field of micro and nano manufacturing. The included papers report recent findings and advances in manufacturing technologies for producing products with micro and nano scale features and structures as well as applications underpinned by the advances in these technologies.

Keywords

fluid jet polishing --- deterministic polishing --- variable pitch path --- residual error optimization --- path adaptability --- chatter identification --- three-dimensional elliptical vibration cutting --- empirical mode decomposition --- intrinsic mode function --- feature extraction --- micro-EDM molds --- micro-lens array --- contactless embossing --- friction coefficient --- micro 3D printing --- micro stereolithography --- process parameter optimization --- Taguchi’s method --- multi-objective particle swarm optimization --- flow control --- culture dish adapter --- small recess structure --- closed environment --- perfusion culture --- optical encoder --- grating --- blaze --- injection molding --- micro assembly --- active alignment --- opto-ASIC --- wafer-level optics --- antireflection nanostructure --- microlens array mold --- ultraprecision machining --- anodic aluminum oxide --- spatial uncertainty modeling --- additive manufacturing --- uncertainty quantification --- Image segmentation --- gaussian process modeling --- additive manufacturing --- selective laser melting --- surface roughness --- design of experiments --- Ti6Al4V --- SERS --- Surface-enhanced Raman scattering --- nanosphere array --- nanocone array --- hot embossing --- nanoimprinting --- plasma nitriding --- micro-nozzle --- micro-spring --- nitrogen supersaturation --- hardening --- hydrophobicity --- stiffness control --- product development --- conceptual design --- micro assembly --- data structure --- design for manufacturability --- low PC clinker --- Portland limestone ternary fiber–cement nanohybrids --- flexural strength --- TGA/dTG --- XRD --- MIP --- water impermeability tests --- micro and nano manufacturing --- micro-fluidics --- micro-optics --- micro and nano additive manufacturing --- micro-assembly --- surface engineering and interface nanotechnology --- micro factories --- micro reactors --- micro sensors --- micro actuators

Biomaterials for Bone Tissue Engineering

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ISBN: 9783039289653 / 9783039289660 Year: Pages: 244 DOI: 10.3390/books978-3-03928-966-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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Bone tissue engineering aims to develop artificial bone substitutes that partially or totally restore the natural regeneration capability of bone tissue lost under circumstances of injury, significant defects, or diseases such as osteoporosis. In this context, biomaterials are the keystone of the methodology. Biomaterials for bone tissue engineering have evolved from biocompatible materials that mimic the physical and chemical environment of bone tissue to a new generation of materials that actively interacts with the physiological environment, accelerating bone tissue growth. Mathematical modelling and simulation are important tools in the overall methodology. This book presents an overview of the current investigations and recent contributions in the field of bone tissue engineering. It includes several successful examples of multidisciplinary collaboration in this transversal area of research. The book is intended for students, researchers, and professionals of a number of disciplines, such as engineering, mathematics, physics, chemistry, biomedicine, biology, and veterinary. The book is composed of an editorial section and 16 original research papers authored by leading researchers of this discipline from different laboratories across the world

Keywords

Pelvis --- Bone tumor --- 3D-printed implant --- Fixation design --- von Mises stress --- dental implants --- osseointegration --- resonance frequency analysis --- biomaterials --- titanium --- powder metallurgy --- loose sintering --- finite element method --- mechanical behaviour --- bone tissue regeneration --- computed tomography --- Xenografts --- stem cell --- cartilage --- finite element --- finite-element simulation --- electric stimulation --- bone regeneration --- computational modelling --- electrically active implants --- bioelectromagnetism --- critical size defect --- maxillofacial --- minipig --- oxygen delivery --- optimization --- mass transfer --- transport --- bone tissue engineering --- computational fluid dynamics --- Lattice Boltzmann method --- scaffold design --- culturing protocol --- Lagrangian scalar tracking --- cortical bone --- damage --- finite elements --- numerical results --- adipogenesis --- bone marrow --- MSCs --- prediction marker --- bone tissue --- elastoplasticity --- finite element method --- fracture risk --- osteoporosis --- trabeculae --- trabecular bone score --- vertebra --- biomechanics --- finite element modelling --- pelvis --- bone adaptation --- musculoskeletal modelling --- bone tissue engineering --- biomaterials --- computational mechanobiology --- numerical methods in bioengineering --- Ti6Al4V scaffolds --- triply periodic minimal surfaces --- selective laser melting --- additive manufacturing --- biomaterial applications --- finite element analysis --- spark plasma sintering --- wollastonite --- human dental pulp stem cells --- substrate-mediated electrical stimulation --- direct current electric field --- osteo-differentiation --- bone morphogenesis proteins --- cortical bone --- digital image correlation --- multiscale analysis --- micromechanics --- computational mechanics --- cone beam computed tomography --- automatic segmentation --- sliding window --- 3D virtual surgical plan --- Otsu’s method --- n/a

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