Download or read book Spark Plasma Sintering and Related Field Assisted Powder Consolidation Technologies written by Eugene A. Olevsky and published by MDPI. This book was released on 2018-07-02 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic field-assisted sintering techniques have increasingly attracted attention of scientists and technologists. Spark-plasma sintering (SPS) and other field-assisted powder consolidation approaches provide remarkable capabilities to the processing of materials into configurations previously unattainable. Of particular significance is the possibility of using very fast heating rates, which, coupled with the field-assisted mass transport, stand behind the purported ability to achieve high densities during consolidation and to maintain the nanostructure of consolidated materials via these techniques. Potentially, SPS and related technologies have many significant advantages over the conventional powder processing methods, including the lower process temperature, the shorter holding time, dramatically improved properties of sintered products, low manufacturing costs, and environmental friendliness.
Download or read book Field Assisted Sintering written by Eugene A. Olevsky and published by Springer. This book was released on 2018-08-09 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the first ever scientific monograph including an in-depth analysis of all major field-assisted sintering techniques. Until now, the electromagnetic field-assisted technologies of materials processing were lacking a systematic and generalized description in one fundamental publication; this work promotes the development of generalized concepts and of comparative analyses in this emerging area of materials fabrication. This book describes modern technologies for the powder processing-based fabrication of advanced materials. New approaches for the development of well-tailored and stable structures are thoroughly discussed. Since the potential of traditional thermo-mechanical methods of material treatment is limited due to inadequate control during processing, the book addresses ways to more accurately control the resultant material's structure and properties by an assisting application of electro-magnetic fields. The book describes resistance sintering, high-voltage consolidation, sintering by low-voltage electric pulses (including spark plasma sintering), flash sintering, microwave sintering, induction heating sintering, magnetic pulse compaction and other field-assisted sintering techniques. Includes an in-depth analysis of all major field-assisted sintering techniques; Explains new techniques and approaches for material treatment; Provides detailed descriptions of spark plasma sintering, microwave sintering, high-voltage consolidation, magnetic pulse compaction, and various other approaches when field-assisted treatment is applied.
Download or read book Spark Plasma Sintering Current Status New Developments and Challenges written by Giacomo Cao and published by Elsevier. This book was released on 2019-06-17 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spark Plasma Sintering: Current Status, New Developments and Challenges: A Review of the Current Trends in SPS looks at the progress made in the field of SPS. It includes a review of the scientific mechanisms, materials synthesis and industry applications for this processing technique. Chapters are written by leading experts in the field, encompassing topics surrounding the densification mechanism and microstructure evolution, the classification of high-performance materials, a review of numerical simulation, discussions of new technology advances, such as HP-SPS, flash sintering and related challenges. This book will be useful for researchers, engineers and students within the materials science and engineering fields. Provides significant information on the most relevant research topics currently being addressed by the SPS community Highlights the application of SPS techniques Reviews critical issues that still need to be overcome when utilizing SPS technology
Download or read book Spark Plasma Sintering of Materials written by Pasquale Cavaliere and published by Springer. This book was released on 2019-02-18 with total page 781 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes spark plasma sintering (SPS) in depth. It addresses fundamentals and material-specific considerations, techniques, and applications across a broad spectrum of materials. The book highlights methods used to consolidate metallic or ceramic particles in very short times. It highlights the production of complex alloys and metal matrix composites with enhanced mechanical and wear properties. Emphasis is placed on the speed of the sintering processes, uniformity in product microstructure and properties, reduced grain growth, the compaction and sintering of materials in one processing step, various materials processing, and high energy efficiency. Current and potential applications in space science and aeronautics, automation, mechanical engineering, and biomedicine are addressed throughout the book.
Download or read book Influence of Electric Current on Efficiency of Field Assisted Consolidation of Powder Materials written by Geuntak Lee and published by . This book was released on 2018 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spark plasma sintering (SPS) has clear advantages of fast densification and lower grain growth compared with other powder consolidation techniques such as hot pressing (HP). Many researchers studied intrinsic electric current effects during the SPS process, yet the results of these studies are still controversial due to the complexity of the SPS technology. In this study, we investigate various consolidation methods with and without electric current assistance to achieve the deconvolution of the electric current effects from the temperature effects. The spatial distribution of the electric current passing through the powder during SPS is modeled using the finite element method. The porosity-interparticle neck area geometrical relationship is utilized to estimate the electric current density inside the powder volume subjected to SPS. For the first time, by taking into account the explicit influence of the electric current effect on the SPS densification mechanisms, the governing equations describing hot pressing are modified to enable an SPS-specific constitutive analysis. The densification mechanisms of various ceramic (ZrN) and metallic (W and Mo) powders are determined by the inverse regression of the new SPS constitutive equations and by utilizing the experimental results on powder consolidation with and without the participation of the electric current effect. We show that the electron backscatter diffraction (EBSD) technique can be a useful tool to demonstrate the densification mechanism of the powders during the sintering. The grain size and grain growth factors are incorporated into the sintering constitutive equation too to elucidate the grain growth effect on the material behavior governing parameters. Additionally, the known but controversial intrinsic electric current effects such as surface cleaning and retardation of the grain growth are analyzed for the consolidation of the Mo nanopowders using SPS. Finally, an energy efficient and fast consolidation technique utilizing the highly concentrated electric current flow through a conductive powder by manipulating the electric current trajectory is developed.
Download or read book Metals Powders written by Francisco P. Gómez Cuevas and published by MDPI. This book was released on 2020-07-01 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers several manuscripts dealing with powder metallurgy processing. Both powders production and their processing to reach a final product can be found. In particular, the extraction of Ta and Ti powders from their oxides by the action of Mg is studied. Moreover, the synthesis of ball-milled Mn-Bi powder for magnetic uses is also presented in the book. Regarding powders processing, sintering of Fe-Co-Cu powder mixtures for their use as diamond impregnated tools, electrical resistance sintering of mechanically alloyed amorphous Al-Ti powders, cold pressed Fe-Si-B alloys with magnetic uses, hot extruded functionally graded Al-based materials, space holder sintering of Ti for medical implants, sintering of hard Co-based material, and electrical resistance sintering of Fe-WC hardmetals can be found in this book.
Download or read book Spark Plasma Sintering written by Giacomo Cao and published by Elsevier. This book was released on 2019-06-10 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spark Plasma Sintering: Current Status, New Developments and Challenges looks at the progress made in the field of SPS. It includes a review of the scientific mechanisms, materials synthesis and industry applications for this processing technique. Chapters are written by leading experts in the field, encompassing topics surrounding the densification mechanism and microstructure evolution, the classification of high-performance materials, a review of numerical simulation, discussions of new technology advances, such as HP-SPS, flash sintering and related challenges. This book will be useful for researchers, engineers and students within the materials science and engineering fields. Provides significant information on the most relevant research topics currently being addressed by the SPS community Highlights the application of SPS techniques Reviews critical issues that still need to be overcome when utilizing SPS technology
Download or read book Sintering Applications written by Burcu Ertug and published by BoD – Books on Demand. This book was released on 2013-02-06 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sintering is one of the final stages of ceramics fabrication and is used to increase the strength of the compacted material. In the Sintering of Ceramics section, the fabrication of electronic ceramics and glass-ceramics were presented. Especially dielectric properties were focused on. In other chapters, sintering behaviour of ceramic tiles and nano-alumina were investigated. Apart from oxides, the sintering of non-oxide ceramics was examined. Sintering the metals in a controlled atmosphere furnace aims to bond the particles together metallurgically. In the Sintering of Metals section, two sections dealt with copper containing structures. The sintering of titanium alloys is another topic focused in this section. The chapter on lead and zinc covers the sintering in the field of extractive metallurgy. Finally two more chapter focus on the basics of sintering,i.e viscous flow and spark plasma sintering.
Download or read book Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials III Volume 37 Issue 5 written by Tatsuki Ohji and published by John Wiley & Sons. This book was released on 2017-01-04 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue contains 9 papers from The American Ceramic Society’s 40th International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 24-29, 2016. This issue includes papers presented in the 10th International Symposium on Advanced Processing and Manufacturing Technologies for Structural and Multifunctional Materials and Systems (Symposium 8), Additive Manufacturing and 3D Printing Technologies (Focused Session 4), and Field Assisted Sintering (Focused Session 5).
Download or read book Nanoelectronic Materials written by Loutfy H. Madkour and published by Springer. This book was released on 2019-06-27 with total page 783 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents synthesis techniques for the preparation of low-dimensional nanomaterials including 0D (quantum dots), 1D (nanowires, nanotubes) and 2D (thin films, few layers), as well as their potential applications in nanoelectronic systems. It focuses on the size effects involved in the transition from bulk materials to nanomaterials; the electronic properties of nanoscale devices; and different classes of nanomaterials from microelectronics to nanoelectronics, to molecular electronics. Furthermore, it demonstrates the structural stability, physical, chemical, magnetic, optical, electrical, thermal, electronic and mechanical properties of the nanomaterials. Subsequent chapters address their characterization, fabrication techniques from lab-scale to mass production, and functionality. In turn, the book considers the environmental impact of nanotechnology and novel applications in the mechanical industries, energy harvesting, clean energy, manufacturing materials, electronics, transistors, health and medical therapy. In closing, it addresses the combination of biological systems with nanoelectronics and highlights examples of nanoelectronic–cell interfaces and other advanced medical applications. The book answers the following questions: • What is different at the nanoscale? • What is new about nanoscience? • What are nanomaterials (NMs)? • What are the fundamental issues in nanomaterials? • Where are nanomaterials found? • What nanomaterials exist in nature? • What is the importance of NMs in our lives? • Why so much interest in nanomaterials? • What is at nanoscale in nanomaterials? • What is graphene? • Are pure low-dimensional systems interesting and worth pursuing? • Are nanotechnology products currently available? • What are sensors? • How can Artificial Intelligence (AI) and nanotechnology work together? • What are the recent advances in nanoelectronic materials? • What are the latest applications of NMs?
Download or read book Powder Sintering and Potential Applications written by Chao Yang and published by Frontiers Media SA. This book was released on 2021-11-23 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ceramics and Composites Processing Methods written by Narottam P. Bansal and published by John Wiley & Sons. This book was released on 2012-03-28 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines the latest processing and fabrication methods There is increasing interest in the application of advanced ceramic materials in diverse areas such as transportation, energy, environmental protection and remediation, communications, health, and aerospace. This book guides readers through a broad selection of key processing techniques for ceramics and their composites, enabling them to manufacture ceramic products and components with the properties needed for various industrial applications. With chapters contributed by internationally recognized experts in the field of ceramics, the book includes traditional fabrication routes as well as new and emerging approaches in order to meet the increasing demand for more reliable ceramic materials. Ceramics and Composites Processing Methods is divided into three sections: Densification, covering the fundamentals and practice of sintering, pulsed electric current sintering, and viscous phase silicate processing Chemical Methods, examining colloidal methods, sol-gel, gel casting, polymer processing, chemical vapor deposition, chemical vapor infiltration, reactive melt infiltration, and combustion synthesis Physical Methods, including directional solidification, solid free-form fabrication, microwave processing, electrophoretic deposition, and plasma spraying Each chapter focuses on a particular processing method or approach. Collectively, these chapters offer readers comprehensive, state-of-the-science information on the many approaches, techniques, and methods for the processing and fabrication of advanced ceramics and ceramic composites. With its coverage of the latest processing methods, Ceramics and Composites Processing Methods is recommended for researchers and students in ceramics, materials science, structural materials, biomedical engineering, and nanotechnology.
Download or read book Ruthenium Chemistry written by Ajay Kumar Mishra and published by CRC Press. This book was released on 2018-01-17 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will describe Ruthenium complexes as chemotherapeutic agent specifically at tumor site. It has been the most challenging task in the area of cancer therapy. Nanoparticles are now emerging as the most effective alternative to traditional chemotherapeutic approach. Nanoparticles have been shown to be useful in this respect. However, in view of organ system complicacies, instead of using nanoparticles as a delivery tool, it will be more appropriate to synthesize a drug of nanoparticle size that can use blood transport mechanism to reach the tumor site and regress cancer. Due to less toxicity and effective bio-distribution, ruthenium (Ru) complexes are of much current interest. Additionally, lumiscent Ru-complexes can be synthesized in nanoparticle size and can be directly traced at tissue level. The book will contain the synthesis, characterization, and applications of various Ruthenium complexes as chemotherapeutic agents. The book will also cover the introduction to chemotherapy, classification of Ru- complexes with respect to their oxidation states and geometry, Ruthenium complexes of nano size: shape and binding- selectivity, binding of ruthenium complexes with DNA, DNA cleavage studies and cytotoxicity. The present book will be more beneficial to researchers, scientists and biomedical. Current book will empower specially to younger generation to create a new world of ruthenium chemistry in material science as well as in medicines. This book will be also beneficial to national/international research laboratories, and academia with interest in the area of coordination chemistry more especially to the Ruthenium compounds and its applications.
Download or read book Sintering of Ceramics written by Arunachalam Lakshmanan and published by BoD – Books on Demand. This book was released on 2012-03-02 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chapters covered in this book include emerging new techniques on sintering. Major experts in this field contributed to this book and presented their research. Topics covered in this publication include Spark plasma sintering, Magnetic Pulsed compaction, Low Temperature Co-fired Ceramic technology for the preparation of 3-dimesinal circuits, Microwave sintering of thermistor ceramics, Synthesis of Bio-compatible ceramics, Sintering of Rare Earth Doped Bismuth Titanate Ceramics prepared by Soft Combustion, nanostructured ceramics, alternative solid-state reaction routes yielding densified bulk ceramics and nanopowders, Sintering of intermetallic superconductors such as MgB2, impurity doping in luminescence phosphors synthesized using soft techniques, etc. Other advanced sintering techniques such as radiation thermal sintering for the manufacture of thin film solid oxide fuel cells are also described.
Download or read book Carbon Nanotubes written by Andy Nieto and published by CRC Press. This book was released on 2021-05-18 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This discovery of carbon nanotubes (CNT) three decades ago ushered in the technological era of nanotechnology. Among the most widely studied areas of CNT research is their use as structural reinforcements in composites. This book describes the development of CNT reinforced metal matrix composites (CNT-MMCs) over the last two decades. The field of CNT-MMCs is abundant in fundamental science, rich in engineering challenges and innovations and ripe for technological maturation and commercialization. The authors have sought to present the current state of the-art in CNT-MMC technology from their synthesis to their myriad potential end-use applications. Specifically, topics explored include: • Advantages, limitations, and evolution of processing techniques used to synthesize and fabricate CNT-MMCs • Emphasizes dispersion techniques of CNTs in metallic systems, a key challenge to the successful and widespread implementation of CNT-MMCs. Methods for quantification and improved control of CNT distributions are presented • Methods for quantification and improved control of CNT distributions are presented • Characterization techniques uniquely suited for charactering these nanoscale materials and their many chemical and physical interactions with the metal matrix, including real-time in-situ characterization of deformation mechanisms • Electron microscope images from premier studies enrich discussions on micro-mechanical modeling, interfacial design, mechanical behavior, and functional properties • A chapter is dedicated to the emergence of dual reinforcement composites that seek to enhance the efficacy of CNTs and lead to material properties by design This book highlights seminal findings in CNT-MMC research and includes several tables listing processing methods, associated CNT states, and resulting properties in order to aid the next generation of researchers in advancing the science and engineering of CNT-MMCs. In addition, a survey of the patent literature is presented in order to shed light on what the first wave of CNT-MMC commercialization may look like and the challenges that will have to be overcome, both technologically and commercially.
Download or read book POWDER METALLURGY SECOND EDITION written by ANGELO, P.C. and published by PHI Learning Pvt. Ltd.. This book was released on 2022-11-01 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last seven years, following the publication of the first edition of this book, the field of powder metallurgy has produced a number of advanced and useful technologies. In order to make the book relevant and useful to its target readership two new chapters have been added in its second edition. The chapter on Recent Advances in Micro- and Nano-fabrication through Powder Metallurgy deals with the fabrication of micro-grained bulk structure and for manufacturing of nano-sized components using metal and ceramic powders by recent techniques. The chapter on Additive Manufacturing (AM) discusses one of the most exciting innovations in the field of powder metallurgy in recent times. In the last three decades, a number of AM processes have been developed which use either laser sources or electron beams to fuse the metallic or ceramic or composite powders. The book covers most of the recent developments in powder metallurgy such as atomization, mechanical alloying, self-propagating high-temperature synthesis, metal injection moulding, and hot isostatic pressing. Model questions have been given at the end of each chapter. An appendix of relevant terms in powder metallurgy has also been included for ready reference. The book is primarily written for undergraduate and postgraduate students of Metallurgy, Material Science, Mechanical, and Production Engineering, as well as for practicing engineers in the field of powder metallurgy. TARGET AUDIENCE • UG and PG (Metallurgy, Material Science, Mechanical, and Production Engineering) • Practising Engineers in the field of Powder Metallurgy.
Download or read book Processing of Functional Composites by Powder Deposition and Spark plasma Sintering written by and published by . This book was released on 2014 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unique sintering methods and powder deposition techniques were investigated, particularly for their applications in the broad field of functional ceramics. Approaches that can be used to maximize the surface area of porous ceramic thin films were studied and applied to the field of dye sensitized solar cells (DSSCs).These technologies for synthesizing porous ceramics can be used in several areas of functional ceramics outside of solar cells including applications that require thermal insulation, impact absorption, biomedical devices, gas sensors, or filtration. The techniques for powder deposition that were investigated include free pressure less spark plasma sintering FPSPS, as well as powder deposition of semi-conductive powder slurries. Applications utilizing functional ceramics usually require a particular structure morphology. The investigated examples benefit from an open porous network; however for some cases, samples with high density are required. A relatively new field assisted sintering technique called flash sintering was investigated, and a new process called flash spark plasma sintering was pioneered. These techniques were used to consolidate SiC, a material that is traditionally difficult to densify. Overall, a wide variety of functional ceramics can be created with sintering techniques studied and developed in the present work.
