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Author: Publisher: ISBN: 9783662030851 Category : Ceramic materials Languages : en Pages : 223
Book Description
This book is one of a series reporting on international research and development activities conducted by the Schott group of companies. With the series, Schott aims to provide an overview of its activities for scientists, engineers, and managers from all branches of industry worldwide where glasses and glass ceramics are of interest. Each volume begins with a chapter providing a general idea of the current problems, results, and trends relating to the subjects treated. This volume describes the fundamental principles, the manufacturing process, and applications of low thermal expansion glass ceramics. The composition, structure, and stability of polycrystalline materials having a low thermal expansion are described, and it is shown how low thermal expansion glass ceramics can be manufactured from appropriately chosen glass compositions. Examples illustrate the formation of this type of glass ceramic by utilizing normal production processes together with controlled crystallization. Thus glass ceramics with thermal coefficients of expansion of less than 0.3 x 10( -6)K( -1) can be obtained. Even for the mass production of high-quality cooktop panels (Ceran (R)), oven windows, and other household appliances a high reproducibility of the properties is achieved. Special glass ceramics (Zerodur (R)) for technological and scientific applications such as high-precision optics or large astronomical mirrors are equally discussed.
Author: Publisher: ISBN: 9783662030851 Category : Ceramic materials Languages : en Pages : 223
Book Description
This book is one of a series reporting on international research and development activities conducted by the Schott group of companies. With the series, Schott aims to provide an overview of its activities for scientists, engineers, and managers from all branches of industry worldwide where glasses and glass ceramics are of interest. Each volume begins with a chapter providing a general idea of the current problems, results, and trends relating to the subjects treated. This volume describes the fundamental principles, the manufacturing process, and applications of low thermal expansion glass ceramics. The composition, structure, and stability of polycrystalline materials having a low thermal expansion are described, and it is shown how low thermal expansion glass ceramics can be manufactured from appropriately chosen glass compositions. Examples illustrate the formation of this type of glass ceramic by utilizing normal production processes together with controlled crystallization. Thus glass ceramics with thermal coefficients of expansion of less than 0.3 x 10( -6)K( -1) can be obtained. Even for the mass production of high-quality cooktop panels (Ceran (R)), oven windows, and other household appliances a high reproducibility of the properties is achieved. Special glass ceramics (Zerodur (R)) for technological and scientific applications such as high-precision optics or large astronomical mirrors are equally discussed.
Author: Dieter Krause Publisher: Springer Science & Business Media ISBN: 3540282459 Category : Science Languages : en Pages : 260
Book Description
This completely revised edition features new sections on glass-ceramic applications and their performance, CDC-grinding, and laser gyroscopes containing Zerodur®., providing an overview of Schott's activities for scientists, engineers, and managers.
Author: Hans Bach Publisher: Springer Science & Business Media ISBN: 3662030837 Category : Science Languages : en Pages : 235
Book Description
This book, entitled Low Thermal Expansion Glass Ceramies, is one of aseries reporting on research and development acitivites on products and processes conducted by the Schott Group. The scientifically founded development of new products and technical pro cesses has traditionally been of vital importance at Schott and has always been performed on a sc ale determined by the prospects for application of our special glasses. The scale has increased enormously since the reconstruction of the Schott Glaswerke in Mainz. The range of expert knowledge required for that could never have been supplied by Schott alone. It is also a tradition in our company to cultivate collaboration with customers, universities, and research institutes. Publications in numerous technical journals, which since 1969 we have edited to a regular timeplan as Forschungsberichte - 'research reports' - formed the basis of this cooperation. They contain up-to-date infor mation on various topics for the expert but are not suited as survey material for those whose standpoint is more remote. This is the point where we would like to place our series, to stimulate the exchange of thoughts, so that we can consider from different points of view the possibilities offered by those incredibly versatile materials, glass and glass ceramics. We would like to show scientists and engineers, interested customers, and friends and employees of our firm the knowledge that has been won through our research and development at Schott in cooperation with the users of our materials.
Author: David P. Stinton Publisher: ISBN: Category : Technology & Engineering Languages : en Pages : 272
Book Description
Oven-to-freezer dinnerware, space shuttle insulation, and protection tubes in the molten aluminum industry are some of the applications feeding the hunger for materials with a high dimensional stability and/or thermal shock resistance over a wide temperature range. Recent advances in the basic resea
Author: Wolfram Holand Publisher: John Wiley & Sons ISBN: 1118265920 Category : Technology & Engineering Languages : en Pages : 456
Book Description
Glass-ceramic materials share many properties with both glass and more traditional crystalline ceramics. This new edition examines the various types of glass-ceramic materials, the methods of their development, and their countless applications. With expanded sections on biomaterials and highly bioactive products (i.e., Bioglass and related glass ceramics), as well as the newest mechanisms for the development of dental ceramics and theories on the development of nano-scaled glass-ceramics, here is a must-have guide for ceramic and materials engineers, managers, and designers in the ceramic and glass industry.
Author: M.H. Lewis Publisher: Springer Science & Business Media ISBN: 9400908172 Category : Technology & Engineering Languages : en Pages : 388
Book Description
The emergence of synthetic ceramics as a prominent class of materials with a unique combination of properties has been an important part of the materials-science scene over the past 20 years. These 'high-technology' ceramics have varied applications in areas utilizing their exceptional mechanical, thermal, optical, magnetic or electronic properties. A notable development of the 1970s was that of 'Si-based' ceramics (Si3N4' SiC and 'Sialons') as high-temperature engineering solids. More recently the zirconia-based ceramics have evolved as a class of material with significant improvements in fracture-toughness. In the 1980s we are on the threshold of development of ceramic-matrix composites with the promise of over coming major limitations in engineering design with 'brittle' ceramics and the development of novel properties unattainable with monolithic micro structures. Throughout this period there have been significant but less well-publicized developments in the field of glass-ceramics and glasses. It is the purpose of this publication to review selected topics within this important area of materials science. A key element in understanding the relation between properties and microstructure is a knowledge of atomic arrangement in ceramic phases. Recent developments in NMR and X-ray absorption spectroscopies have had considerable impact on studies of atomic co-ordination in glasses and crystalline ceramic materials and are reviewed in Chapters 1 and 2. Glass-ceramics are derived from the parent glasses by controlled crystal lization and have properties dictated, in part, by the efficiency of crystal nucleation within the glass volume.
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Author: Hans Bach
Author: Dieter Krause
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Author: Diana Tauch
Author: Hans Bach
Author: David P. Stinton
Author: Wolfram Holand
Author: M.H. Lewis
Author: Zdeněk Strnad