Radio Frequency Plasma Synthesis of Ultrafine Titanium Carbide Powders PDF Download
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Author: Robert Leslie Stephens
Publisher:
ISBN:
Category : Metal powders
Languages : en
Pages : 1046
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Book Description
Author: Robert Leslie Stephens
Publisher:
ISBN:
Category : Metal powders
Languages : en
Pages : 1046
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Ultrafine, ultrapure silicon carbide powder has been produced by reaction of silane and methane in a high temperature rf plasma. Preliminary studies include the effect of gas composition and of powder (plasma temperature) on the stoichiometry of the powder. The carbon-to-silicon ratio of the powder was varied from 1.0 to 1.9 by changing the process conditions. The powder has a BET surface area of 101 m2/g, which is equivalent to a particle diameter of 18.5 nm. A particle size in the range of 10 to 20 nm was measured by transmission electron microscopy. X-ray diffraction results indicate a domain size of 7.5 nm and a crystal structure of beta (cubic) silicon carbide. Spectrographic analysis shows that metallic impurities are lower than high quality grade commercial powder. Because of the high surface area, the powder must be stored and processed in an inert atmosphere to prevent severe contamination with oxygen.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
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.
Author: Julia Noel Memering
Publisher:
ISBN:
Category :
Languages : en
Pages : 298
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Book Description
Author: Thomas Dean McColm
Publisher:
ISBN:
Category : High temperature plasmas
Languages : en
Pages : 244
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Book Description
Author: Makio Naito
Publisher: Elsevier
ISBN: 0444641114
Category : Technology & Engineering
Languages : en
Pages : 906
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Book Description
Nanoparticle Technology Handbook, Third Edition, is an updated and expanded authoritative reference providing both the theory behind nanoparticles and the practical applications of nanotechnology. This third edition features twenty new chapters, providing a reference much broader in scope than the previous edition. Over 140 experts in nanotechnology and/or particle technology contributed to this new edition. The book not only includes the theory behind nanoparticles, but also the practical applications of nanotechnology. It examines future possibilities and new innovations and contains important knowledge on nanoparticle characterization and the effect of nanoparticles on the environment and humans. Nanoparticle technology is a new and revolutionary technology, which is increasingly used in electronic devices and nanomaterials. It handles the preparation, processing, application and characterization of nanoparticles and has become the core of nanotechnology as an extension of conventional fine particle/powder technology. Nanoparticle technology plays an important role in the implementation of nanotechnology in many engineering and industrial fields, including electronic devices, advanced ceramics, new batteries, engineered catalysts, functional paint and ink, drug delivery system, biotechnology, etc., making use of the unique properties of nanoparticles, which are completely different from those of bulk materials. Introduces all aspects of nanoparticle technology, from the fundamentals to applications Cover basic information on preparation through to the characterization of nanoparticles in a systematic way Features information on nanostructures, which play an important role in practical applications Includes the effects of nanoparticles on human health and the environment Includes applications of nanoparticles in diverse fields, including applications in new areas, such as electronics cosmetics, etc. Offers up-to-date information given by specialists in each field
Author:
Publisher: Allied Publishers
ISBN: 9788177640373
Category : Materials at high temperatures
Languages : en
Pages : 276
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Book Description
Author: Riccardo d'Agostino
Publisher: John Wiley & Sons
ISBN: 3527622195
Category : Science
Languages : en
Pages : 479
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Book Description
A panel of internationally renowned scientists discuss the latest results in plasma technology. This volume has been compiled with both a didactic approach and an overview of the newest achievements for industrial applications. It is divided into two main sections. One is focused on fundamental technology, including plasma production and control, high-pressure discharges, modeling and simulation, diagnostics, dust control, and etching. The section on application technology covers polymer treatments, silicon solar cell, coating and spray, biomaterials, sterilization and waste treatment, plasma propulsion, plasma display panels, and anti-corrosion coatings. The result is an indispensable work for physicists, chemists and engineers involved in the field of plasma technology.
Author: George L. Watt
Publisher:
ISBN:
Category : Titanium diboride
Languages : en
Pages : 196
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Book Description
Author: Hong Yong Sohn
Publisher: Minerals, Metals, & Materials Society
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 1064
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Book Description
This two-volume collection of 145 international papers examines and discusses the predicted principal features of future metallurgical plants and technologies, the effects of new developments on existing processes, and the future directions of research and education. Discussion topics include: value-addition metallurgy; metals processing; new end emerging technologies; recycling, waste treatment and environmental issues; ironmaking and steelmaking; process modeling; aqueous processing; and plant modernization.
