The Chemistry of Non-sag Tungsten
Author | : |
Publisher | : |
Total Pages | : 171 |
Release | : 1995 |
Genre | : Tungsten |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 171 |
Release | : 1995 |
Genre | : Tungsten |
ISBN | : |
Author | : Laszlo Bartha |
Publisher | : |
Total Pages | : |
Release | : 1995 |
Genre | : |
ISBN | : |
Author | : L. Bartha |
Publisher | : Elsevier |
Total Pages | : 185 |
Release | : 2013-10-22 |
Genre | : Technology & Engineering |
ISBN | : 1483287963 |
Non-sag (NS) tungsten is a dispersion-strengthened microalloy with elemental potassium, which is contained as microscopic bubbles in the tungsten lattice. Under working conditions in an incandescent lamp the potassium is a gas under high pressure. These gas bubbles essentially prevent the recrystallization of the tungsten wire and are responsible for the outstanding creep resistance of NS tungsten at the extremely high temperatures of a glowing lamp filament. More than 90% of NS tungsten is used for incandescent lamps. In addition, small amounts are used as defroster heating wires in automobile windshields and as heating wire coils for aluminium evaporation in metallization applications. The presented papers deal with the chemical reactions and the chemical compounds occurring along the path from tungsten raw materials to the final NS tungsten filament; a compendium of present knowledge on the different chemical aspects of NS tungsten manufacture is presented. It is composed of nine individual papers, each of them written by experts working in the field.
Author | : Oleg D Neikov |
Publisher | : Elsevier |
Total Pages | : 644 |
Release | : 2009-02-24 |
Genre | : Technology & Engineering |
ISBN | : 0080559409 |
The manufacture and use of the powders of non-ferrous metals has been taking place for many years in what was previously Soviet Russia, and a huge amount of knowledge and experience has built up in that country over the last forty years or so. Although accounts of the topic have been published in the Russian language, no English language account has existed until now. Six prominent academics and industrialists from the Ukraine and Russia have produced this highly-detailed account which covers the classification, manufacturing methods, treatment and properties of the non-ferrous metals ( aluminium, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, lead, tin, bismuth, noble metals and earth metals). The result is a formidable reference source for those in all aspects of the metal powder industry. Covers the manufacturing methods, properties and importance of the following metals: aluminium, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, noble metals, rare earth metals, lead, tin and bismuth Expert Russian team of authors, all very experienced English translation and update of book previously published in Russian
Author | : Erik Lassner |
Publisher | : Springer Science & Business Media |
Total Pages | : 432 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461549078 |
Why does someone write a book about Tungsten? There are several reasons and precedents for this, the most important of which is that the last book on tungsten was written more than 20 years ago, in 1977, by St. W H. Yih and Ch T. Wang. During the intervening period there have been many new scientific and technological developments and innova tions, so it was not only our opinion but the view of many other members of the "tungsten family" that it was time to start writing a new book about tungsten. Preparations of the new book began in 1994. further impetus to the project was provided by the realization that in spite of this new knowledge having been presented at seminars or published in the technical press, a general acknowledgement of it by the majority of technicians and scientists is still far from being realized. It is our hope that this book will significantly contribute to a broader acceptance of recent scientific and technological innovations. An important prerequisite for such a project is the availability of a recently retired, experienced person willing to devote his time and talents to the tedious part of the exercise.
Author | : |
Publisher | : |
Total Pages | : 1128 |
Release | : 1968 |
Genre | : Weights and measures |
ISBN | : |
Author | : Society of Chemical Industry (Great Britain) |
Publisher | : |
Total Pages | : 1918 |
Release | : 1928 |
Genre | : Chemistry, Technical |
ISBN | : |
Author | : International Union of Pure and Applied Chemistry. Physical and Biophysical Chemistry Division |
Publisher | : Royal Society of Chemistry |
Total Pages | : 240 |
Release | : 2007 |
Genre | : Reference |
ISBN | : 0854044337 |
Prepared by the IUPAC Physical Chemistry Division this definitive manual, now in its third edition, is designed to improve the exchange of scientific information among the readers in different disciplines and across different nations. This book has been systematically brought up to date and new sections added to reflect the increasing volume of scientific literature and terminology and expressions being used. The Third Edition reflects the experience of the contributors with the previous editions and the comments and feedback have been integrated into this essential resource. This edition has been compiled in machine-readable form and will be available online.
Author | : |
Publisher | : |
Total Pages | : 638 |
Release | : 1998 |
Genre | : Powder metallurgy |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1516 |
Release | : 1928 |
Genre | : Chemistry, Technical |
ISBN | : |