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Author : Heyun Yin
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.3/5 (129 download)
Download or read book Modification of Mechanical Properties of Sapphire Fibers by Energetic Ion Implantation written by Heyun Yin and published by . This book was released on 1997 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. A. Spitznagel
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (227 download)
Download or read book Investigation of Near-Surface Chemical, Physical and Mechanical Properties of Silicon Carbide Crystals and Fibers Modified by Ion Implantation written by J. A. Spitznagel and published by . This book was released on 1988 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modification of chemical, physical and mechanical properties of ceramic/semiconductor surfaces by ion implantation provides an opportunity to define and obtain desirable properties for a variety of applications. These include: interfaces in composite materials, electrical properties of devices and contacts, and specialized surfaces for optical waveguides, wear and corrosion resistance, etc. In this study, single crystals (6H), and whiskers of high purity silicon carbide were implanted with a variety of n- and p-type dopants (B, N, A1, P), an isovalent dopant (Ti), inert species (Ne) and hydrogen. Isochronal anneals at temperatures up to 1173 K permitted systematic evaluation of thermal effects in the implanted region. Implants fluences were normalized to permit comparisons on the basis of equal concentrations of displaced Si atoms for each ion. microstructural, mechanical and chemical effects were studied by a series of RBS/channeling, TEM, SEM, microhardness, microtensile, AES, SIMS, and wetting (sputtered and molten metal) measurements. Recovery of crystalline structure during annealing is shown to be relatively independent of the implant species but depends upon the number of atomic displacements in the Si sublattice. Near-surface mechanical and chemical effects, however, are very dependent on the chemical/electrical nature of the implanted ions. Applications to ceramic/metal interfaces in metal matrix composites are discussed.
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ISBN 13 :
Total Pages : 994 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 806 pages
Book Rating : 4.3/5 (91 download)
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Author : Lawretta Ononye
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783838365701
Total Pages : 172 pages
Book Rating : 4.3/5 (657 download)
Download or read book Microstructure of Ion Implanted Sapphire written by Lawretta Ononye and published by LAP Lambert Academic Publishing. This book was released on 2010-06 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The science of ion implantation technology is concerned with the modification of the near surface properties of a wide range of materials. The technique provides excellent control of implantation parameters such as dose range, energy of ion species and implantation temperature. Alpha-Al2O3 (sapphire) specimens were irradiated at room temperature (RT) and 1000 degree C to fluences of 1x10 DEGREES17 B+/cm DEGREES2, 3x10 DEGREES16 N+/cm DEGREES2 and 1x10 DEGREES17 Fe+/cm DEGREES2 with 150 keV of energy. Following irradiation, the structures were examined using the transmission electron microscopy (TEM), Rutherford backscattering - ion channeling (RBS-C)spectroscopy, optical absorption measurements, x-ray diffraction (XRD) technique, and x-ray photoelectron spectroscopy (XPS). The depth- dependent microstructures of the irradiated specimens, the energy deposited (elastic and inelastic) as a function of depth from the surface, the range of implanted species, and the defect production were modeled using the transport and range of ions i
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ISBN 13 :
Total Pages : 782 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2003 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1468 pages
Book Rating : 4.U/5 (183 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1989 with total page 1468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gregory Craig Anderson
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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (221 download)
Download or read book Modification of the Wear Properties of Diamond by Ion Implantation written by Gregory Craig Anderson and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 934 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics Briefs written by and published by . This book was released on 1994 with total page 934 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 1042 pages
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Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)
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Total Pages : 938 pages
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Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-03 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 1412 pages
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ISBN 13 :
Total Pages : 496 pages
Book Rating : 4.3/5 (91 download)
Download or read book Engineered Materials Abstracts written by and published by . This book was released on 1995-10 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Total Pages : 792 pages
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Download or read book NASA Tech Brief written by and published by . This book was released on 1970 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration
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ISBN 13 :
Total Pages : 788 pages
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Download or read book Cumulative Index to NASA Tech Briefs written by United States. National Aeronautics and Space Administration and published by . This book was released on 1970 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Barry Carter
Publisher : Springer Science & Business Media
ISBN 13 : 0387462708
Total Pages : 727 pages
Book Rating : 4.3/5 (874 download)
Download or read book Ceramic Materials written by C. Barry Carter and published by Springer Science & Business Media. This book was released on 2007-04-04 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceramic Materials: Science and Engineering is an up-to-date treatment of ceramic science, engineering, and applications in a single, integrated text. Building on a foundation of crystal structures, phase equilibria, defects and the mechanical properties of ceramic materials, students are shown how these materials are processed for a broad diversity of applications in today's society. Concepts such as how and why ions move, how ceramics interact with light and magnetic fields, and how they respond to temperature changes are discussed in the context of their applications. References to the art and history of ceramics are included throughout the text. The text concludes with discussions of ceramics in biology and medicine, ceramics as gemstones and the role of ceramics in the interplay between industry and the environment. Extensively illustrated, the text also includes questions for the student and recommendations for additional reading. KEY FEATURES: Combines the treatment of bioceramics, furnaces, glass, optics, pores, gemstones, and point defects in a single text Provides abundant examples and illustrations relating theory to practical applications Suitable for advanced undergraduate and graduate teaching and as a reference for researchers in materials science Written by established and successful teachers and authors with experience in both research and industry
