Download or read book Thermal Plasma Chemical Synthesis of Powders written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal plasma processing has been increasingly used to synthesize submicron powders of high-purity ceramics and metals. The high temperatures generated with the plasma provide a vapor phase reaction zone for elements with high boiling points and refractory materials. An overview is presented on the general plasma technology used in synthesis and on the properties of plasma powders.
Download or read book Thermal Plasma Synthesis of Ceramic Powders written by Tsuen Wai Or and published by . This book was released on 1995 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Plasma Processing of Materials Progress Report September 1 1988 January 31 1992 written by and published by . This book was released on 1992 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasis has been on plasma synthesis of fine powders, plasma Chemical Vapor Deposition (CVD), on related diagnostics, and on modeling work. Since plasma synthesis as well as plasma CVD make frequent use of plasma jets, the beginning has been devoted of plasma jets and behavior of particulates injected into such plasma jets. Although most of the construction of the Triple-Torch Plasma Reactor (TTPR) has already been done, modifications have been made in particular modifications required for plasma CVD of diamond. A new reactor designed for Counter-Flow Liquid Injection Plasma Synthesis (CFLIPS) proved to be an excellent tool for synthesis of fine powders as well as for plasma CVD. An attempt was made to model flow and temperature fields in this reactor. Substantial efforts were made to single out those parameters which govern particle size, size distribution, and powder quality in our plasma synthesis experiments. This knowledge is crucial for controlling the process and for meaningful diagnostics and modeling work. Plasma CVD of diamond films using both reactors has been very successful and we have been approached by a number of companies interested in using this technology for coating of tools.
Download or read book Thermal Plasma Processing of Fine Powders written by Robert Miles Young and published by . This book was released on 1987 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Plasma Processing of Materials written by and published by . This book was released on 1992 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasis has been on plasma synthesis of fine powders, plasma Chemical Vapor Deposition (CVD), on related diagnostics, and on modeling work. Since plasma synthesis as well as plasma CVD make frequent use of plasma jets, the beginning has been devoted of plasma jets and behavior of particulates injected into such plasma jets. Although most of the construction of the Triple-Torch Plasma Reactor (TTPR) has already been done, modifications have been made in particular modifications required for plasma CVD of diamond. A new reactor designed for Counter-Flow Liquid Injection Plasma Synthesis (CFLIPS) proved to be an excellent tool for synthesis of fine powders as well as for plasma CVD. An attempt was made to model flow and temperature fields in this reactor. Substantial efforts were made to single out those parameters which govern particle size, size distribution, and powder quality in our plasma synthesis experiments. This knowledge is crucial for controlling the process and for meaningful diagnostics and modeling work. Plasma CVD of diamond films using both reactors has been very successful and we have been approached by a number of companies interested in using this technology for coating of tools.
Download or read book Synthesis of Ultrafine Beta silicon Carbide Powders in Thermal Plasmas written by Peter Chuen-Sun Kong and published by . This book was released on 1985 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis of Silicon Nitride Ultra Fine Powders in Thermal Plasmas written by Yl Chang and published by . This book was released on 1985 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermal Plasma Torches and Technologies written by O. P. Solonenko and published by Cambridge Int Science Publishing. This book was released on 2000 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1 of a two-volume work publishes studies of scientific from a number of countries in the area of plasma torch design and properties. Topics covered include mathematical modelling of transformer discharge, physical phenomena in a hollow cathode, modelling of electric arc plasma, problems of turbulent arc modelling, erosion of multiarc cathodes, integrated methods of research of processes in thermal plasma, trends in thermal plasma technology, plasma metallurgy, analysis of induction plasma systems, and many others.
Download or read book Advances in Synthesis of Metallic Oxidic and Composite Powders written by Srecko Stopic and published by MDPI. This book was released on 2021-02-16 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in synthesis of metallic, oxidic and composite powders were presented via the following methods: ultrasound-assisted leaching¸ ultrasonic spray pyrolysis, hydrogenation, dehydrogenation, ball milling, molten salt electrolysis, galvanostatic electrolysis, hydrogen reduction, thermochemical decomposition, inductively coupled thermal plasma, precipitation and high pressure carbonation in an autoclave. This Special Issue contains 17 papers from Europe, Asia, Australia, South Africa and the Balkans. The synthesis was focused on metals: Co, Cu; Re; oxides: ZnO, MgO, SiO2; V2O5; sulfides: MoS2, core shell material: Cu-Al2O3, Pt/TiO2; compounds: Ca0.75Ce0.25ZrTi2O7, Mo5Si3, Ti6Al4V. The environmentally friendly strategies were presented at the carbonation of olivine, treatment of acid mine drainage water and production of vanadium oxide.
Download or read book Advances in powder metallurgy written by I. Chang and published by Elsevier Inc. Chapters. This book was released on 2013-08-31 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This chapter begins by discussing the benefits and applications of metal nanopowders. This is followed by an introduction of plasma technology and a review of various types of plasma methods used in the synthesis of metal nanopowders. The chapter includes a description of the formation of metal nanopowders by a nucleation and growth mechanism from the vapour phase. Finally, it discusses the relationship between metal nanopowder characteristics (e.g. average size and size distribution) and plasma processing parameters.
Download or read book Handbook of Thermal Plasmas written by Maher I. Boulos and published by Springer Nature. This book was released on 2023-02-20 with total page 1973 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative reference presents a comprehensive review of the evolution of plasma science and technology fundamentals over the past five decades. One of this field’s principal challenges has been its multidisciplinary nature requiring coverage of fundamental plasma physics in plasma generation, transport phenomena under high-temperature conditions, involving momentum, heat and mass transfer, and high-temperature reaction kinetics, as well as fundamentals of material science under extreme conditions. The book is structured in five distinct parts, which are presented in a reader-friendly format allowing for detailed coverage of the science base and engineering aspects of the technology including plasma generation, mathematical modeling, diagnostics, and industrial applications of thermal plasma technology. This book is an essential resource for practicing engineers, research scientists, and graduate students working in the field.
Download or read book Plasma Processing of Materials written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma processing of materials is a critical technology to several of the largest manufacturing industries in the worldâ€"electronics, aerospace, automotive, steel, biomedical, and toxic waste management. This book describes the relationship between plasma processes and the many industrial applications, examines in detail plasma processing in the electronics industry, highlights the scientific foundation underlying this technology, and discusses education issues in this multidisciplinary field. The committee recommends a coordinated, focused, and well-funded research program in this area that involves the university, federal laboratory, and industrial sectors of the community. It also points out that because plasma processing is an integral part of the infrastructure of so many American industries, it is important for both the economy and the national security that America maintain a strong leadership role in this technology.
Download or read book X Ray Diffraction written by C. Suryanarayana and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this, the only book available to combine both theoretical and practical aspects of x-ray diffraction, the authors emphasize a "hands on" approach through experiments and examples based on actual laboratory data. Part I presents the basics of x-ray diffraction and explains its use in obtaining structural and chemical information. In Part II, eight experimental modules enable the students to gain an appreciation for what information can be obtained by x-ray diffraction and how to interpret it. Examples from all classes of materials -- metals, ceramics, semiconductors, and polymers -- are included. Diffraction patterns and Bragg angles are provided for students without diffractometers. 192 illustrations.
Download or read book Plasma Chemistry 2 Plasma Chemistry and Transport Phenomena in Thermal Plasmas written by A. T. Bell and published by Elsevier. This book was released on 2017-08-31 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma Chemistry - 2: Plasma Chemistry and Transport Phenomena in Thermal Plasmas presents the proceeding of the Second International Symposium on Plasma Chemistry, held in Rome, Italy, on September 18–23, 1975. This book discusses the thermodynamic state of chemically reacting plasmas, which are generally described by Pauli or Boltzmann kinetic equations. Organized into eight chapters, this compilation of papers begins with an overview of the influence of the plasma state by a superimposed laser radiation field. This text then examines the mechanisms of chemical transformations in electric discharges. Other chapters consider the successful exploitation of thermal plasmas in the field of high temperature chemistry. This book discusses as well the status of plasma processes involving mass transfer and heat, with reference to the processes of condensation, vaporization, and chemical reaction. The final chapter deals with plasma heating and spraying of various materials. This book is a valuable resource for chemists, metallurgists, and scientists.
Download or read book Plasma Chemical Synthesis and Properties of Ultradispersed Powders of Niobium and Titanium Carbonitrides written by V. Troitskii and published by . This book was released on 1997 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synthesis of Ultrafine Ceramic and Metallic Powders in a Thermal Argon Rf Plasma written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrafine powders of SiC, Si3N4, Ni, and Al2O3 have been prepared in a rf-plasma reactor, utilizing an induction plasma tube designed at Los Alamos. The primary particle size of the ceramic powders ranges from 5 to 50 nm. Silicon carbide and alumina are ultrapure crystalline powders, while silicon nitride is amorphous for surface areas greater than 100 m2/g. Plasma nickel powder will sinter to full density at 1073 K.
Download or read book Plasma Processing and Synthesis of Materials written by Diran Apelian and published by . This book was released on 1987 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
