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Deposition Of A C B Films From O Carborane And Trimethyl Boron Precursors
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Book Synopsis Structure and Function of Food Engineering by : Ayman Amer Eissa
Download or read book Structure and Function of Food Engineering written by Ayman Amer Eissa and published by BoD – Books on Demand. This book was released on 2012-08-22 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book conveys many significant messages for the food engineering and allied professions: the importance of working in multidisciplinary teams, the relevance of developing food engineering based on well-established principles, the benefits of developing the field by bringing together experts from industry, academia and government, and the unparalleled advantage of working as globally as possible in the understanding, development, and applications of food engineering principles. I am delighted to welcome this book to the Series and I am convinced colleagues from all parts of the world will gain great value from it.
Book Synopsis Chemical vapour deposition of boron-carbon thin films from organoboron precursors by : Maiwulidan (Mewlude) Yimamu (Imam)
Download or read book Chemical vapour deposition of boron-carbon thin films from organoboron precursors written by Maiwulidan (Mewlude) Yimamu (Imam) and published by Linköping University Electronic Press. This book was released on 2016-01-13 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boron-carbon (BxC) thin films enriched in 10B are potential neutron converting layers for 10Bbased solid-state neutron detectors given the good neutron absorption cross-section of 10B atoms in the thin film. Chemical Vapour Deposition (CVD) of such films faces the challenge that the maximum temperature tolerated by the aluminium substrate is 660 °C and low temperature CVD routes for BxC films are thus needed. This thesis presents the use of two different organoboron precursors, triethylboron –B(C2H5)3 (TEB) and trimethylboron – B(CH3)3 (TMB) as single-source precursors for CVD of BxC thin films. The CVD behaviour of TEB in thermal CVD has been studied by both BxC thin film deposition and quantum chemical calculations of the gas phase chemistry at the corresponding CVD conditions. The calculations predict that the gas phase reactions are dominated by ?-hydride eliminations of C2H4 to yield BH3. In addition, a complementary bimolecular reaction path based on H2-assisted C2H6 elimination to BH3 is also present at lower temperatures in the presence of hydrogen molecules. A temperature window of 600 – 1000 °C for deposition of X-ray amorphous BxC films with 2.5 ? x ? 4.5 is identified showing good film density (2.40 – 2.65 g/cm3) which is close to the bulk density of crystalline B4C, 2.52 g/cm3 and high hardness (29 – 39 GPa). The impurity level of H is lowered to < 1 at. % within the temperature window. Plasma chemical vapour deposition has been studied using TMB as single-source precursor in Ar plasma for investigating BxC thin film deposition at lower temperature than allowed by thermal CVD and further understanding of thin film deposition process. The effect of plasma power, total pressure, TMB and Ar gas flow on film composition and morphology are investigated. The highest B/C ratio of 1.9 is obtained at highest plasma power of 2400 W and TMB flow of 7 sccm. The H content in the films seems constant at 15±5 at. %. The B-C bond is dominant in the films with small amount of C-C and B-O bonds, which are likely due to the formation of amorphous carbon and surface oxidation, respectively. The film density is determined as 2.16±0.01 g/cm3 and the internal compressive stresses are measured to be <400 MPa.
Book Synopsis Wood Composites by : Martin P Ansell
Download or read book Wood Composites written by Martin P Ansell and published by Woodhead Publishing. This book was released on 2015-07-24 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent progress in enhancing and refining the performance and properties of wood composites by chemical and thermal modification and the application of smart multi-functional coatings have made them a particular area of interest for researchers. Wood Composites comprehensively reviews the whole field of wood composites, with particular focus on their materials, applications and engineering and scientific advances, including solutions inspired biomimetrically by the structure of wood and wood composites. Part One covers the materials used for wood composites and examines wood microstructure, and wood processing and adhesives for wood composites. Part Two explores the many applications of wood composites, for example plywood, fibreboard, chipboard, glulam, cross-laminated timber, I-beams and wood-polymer composites. The final part investigates advances in wood composites and looks at the preservation and modification of wood composites, environmental impacts and legislative obligations, nano-coatings and plasma treatment, biomimetic composite materials, the integration of wood composites with other materials and carbonized and mineralized wood composites. - Comprehensively reviews the entire field of wood composites in a single volume - Examines recent progress in enhancing and refining the performance and properties of wood composites by chemical and thermal modification and the application of smart multi-functional coatings - Explores the range of wood composites, including both new and traditional products
Book Synopsis Service Life Prediction by : Service Life Prediction Symposium
Download or read book Service Life Prediction written by Service Life Prediction Symposium and published by . This book was released on 2005 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ICRRM 2019 – System Reliability, Quality Control, Safety, Maintenance and Management by : Vinit Kumar Gunjan
Download or read book ICRRM 2019 – System Reliability, Quality Control, Safety, Maintenance and Management written by Vinit Kumar Gunjan and published by Springer. This book was released on 2019-06-13 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Content of this proceedings discusses emerging trends in structural reliability, safety and disaster management, covering topics like total quality management, risk maintenance and design for reliability. Some papers also address chemical process reliability, reliability analysis and engineering applications in chemical process equipment systems and includes a chapter on reliability evaluation models of chemical systems. Accepted papers from 2019 International Conference on Reliability, Risk Maintenance and Engineering Management (ICRRM 2019) are part of this conference proceeding. It offers useful insights to road safety engineers, disaster management professionals involved in product design and probabilistic methods in manufacturing systems.
Book Synopsis Chemical Vapor Deposition by : S Neralla
Download or read book Chemical Vapor Deposition written by S Neralla and published by BoD – Books on Demand. This book was released on 2016-08-31 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of chemical vapor deposition (CVD) methods and recent advances in developing novel materials for application in various fields. CVD has now evolved into the most widely used technique for growth of thin films in electronics industry. Several books on CVD methods have emerged in the past, and thus the scope of this book goes beyond providing fundamentals of the CVD process. Some of the chapters included highlight current limitations in the CVD methods and offer alternatives in developing coatings through overcoming these limitations.
Book Synopsis Chemical Vapour Deposition by : Anthony C. Jones
Download or read book Chemical Vapour Deposition written by Anthony C. Jones and published by Royal Society of Chemistry. This book was released on 2009 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The book is one of the most comprehensive overviews ever written on the key aspects of chemical vapour deposition processes and it is more comprehensive, technically detailed and up-to-date than other books on CVD. The contributing authors are all practising CVD technologists and are leading international experts in the field of CVD. It presents a logical and progressive overview of the various aspects of CVD processes. Basic concepts, such as the various types of CVD processes, the design of CVD reactors, reaction modelling and CVD precursor chemistry are covered in the first few"--Jacket
