Preliminary Investigation of Particle-substrate Bonding of Plasma-sprayed Materials PDF Download
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Author: Salvatore J. Grisaffe
Publisher:
ISBN:
Category : Adhesion
Languages : en
Pages : 38
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Book Description
Author: Salvatore J. Grisaffe
Publisher:
ISBN:
Category : Adhesion
Languages : en
Pages : 38
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Book Description
Author: Salvatore J. Grisaffe
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: R. Suryanarayanan
Publisher: World Scientific
ISBN: 9789810213633
Category : Science
Languages : en
Pages : 318
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Book Description
The recent advances in plasma spraying are discussed in this book which divides into two sections — theory and application. The book presents sophisticated experimental techniques, diagnostics, theoretical models and computer simulations which not only improve the understanding and uses of the spraying process but also help to increase the reliability factor of the manufacturing components. Applications that are metallurgical, aeronautical, automobile, chemical, etc. are also shown. More importantly, applications that include silicon for solar cells, magnets and superconductors are also discussed for the first time. Advanced graduate students in materials science and engineering, research scientists, engineers and industries involved in plasma spray applications will benefit from this book.
Author: Kourosh Pourang
Publisher:
ISBN:
Category :
Languages : en
Pages : 99
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Book Description
Thermal spray technology is a widely used technique in industry in which surfaces of materials are coated by spraying a wide range of metals or ceramics. Considering the growing interest in building nanostructured coatings due to their significant characteristics a new technique called suspension plasma spraying is developed. In this method, a coating is formed by injecting a suspension of nano or sub-micron sized particles into a plasma flame. Obtaining a uniform coating on mechanical parts is one of the industrial challenges in suspension plasma spraying. Through a three dimensional numerical analysis, this study is aimed at providing a better understanding of the effect of substrate position and curvature on in-flight particle temperature, velocity and trajectory. The high temperature and high velocity plasma flow is simulated inside the plasma torch using a uniform volumetric heat source in the energy equation. The suspension of yttria stabilized zirconia (YSZ) particles is used here due to its vast applications in forming thermal barrier coatings. Suspension is molded in this study as a multicomponent droplet while catastrophic breakup regime is considered for simulating the secondary break-up when the suspension interacts with the plasma flow. A two-way coupled Eulerian-Lagrangian approach along with a stochastic discrete model was used to track the particle trajectory. Particle size distribution in the vicinity of the substrate at different standoff distances has been investigated. Then the effect of substrate curvature on in-flight particle characteristics is discussed. The results show that sub-micron particles obtain higher velocity and temperature compared to the larger particles. However, due to the small Stokes number associated with sub-micron particles, they are more sensitive to the change of the gas flow streamlines in the vicinity of the substrate.
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1304
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Book Description
Author: Christian Moreau
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
Author: L. Leblanc
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 960
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309045975
Category : Technology & Engineering
Languages : en
Pages : 88
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Book Description
Plasma processing of materials is a critical technology to several of the largest manufacturing industries in the worldâ€"electronics, aerospace, automotive, steel, biomedical, and toxic waste management. This book describes the relationship between plasma processes and the many industrial applications, examines in detail plasma processing in the electronics industry, highlights the scientific foundation underlying this technology, and discusses education issues in this multidisciplinary field. The committee recommends a coordinated, focused, and well-funded research program in this area that involves the university, federal laboratory, and industrial sectors of the community. It also points out that because plasma processing is an integral part of the infrastructure of so many American industries, it is important for both the economy and the national security that America maintain a strong leadership role in this technology.
Author: Akiyoshi Osaka
Publisher: Elsevier
ISBN: 0081030002
Category : Technology & Engineering
Languages : en
Pages : 468
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Book Description
Biologically functional ceramic materials have been known about for several decades, like phosphate cements and gypsum, and they are within the zeroth generation. Modern and artificially synthesized bioceramics include amorphous materials in the Bioglass® family that were developed in the early 1970’s and derivative glass ceramics such as Bioverit® and Cerabone A-W® that came in 1980’s. They are from the 2nd generation of materials, and mostly applicable to bone replacement or bone defect fillers. Since the late 1990’s, newer technologies have been introduced to the biologically functional material fields; they are the syntheses of organic-inorganic hybrids of micro- and macroscopic scales as well as nano-scales, organic fragment-covered ceramic particles of varied sizes, with light-controlling abilities to modify the frequency of light, in addition synthesis of high strength and high-tribological durability that had not been available before. With the advent of additive manufacturing technology employing lasers, electron beams, and printers, clinical materials of complicated porous structures are now easily prepared. These materials are of the 3rd generation. This book will cover almost all kinds of such 3rd generation ceramic and ceramic-related biomaterials. This book conveys the current state-of-the-art on the science and technology of bioceramics, from nano-size dots or particles to macro-scale architectures, of a wide range of constitutions including quantum dots with peptide fragments, meso-scale therapeutic particles designed to involve drugs or genes, mesoporous organic-inorganic hybrids, nano-structured oxide layers on metals and alloys. Comprehensively covers all aspects (research/experimental and commercial products) related to the latest progresses in bioceramic science, technology and applications, with emphasis on nanobioceramics Pulls together a broad range of materials, concepts, and technologies based on nanomaterials Features novel preparation procedures like additive manufacturing (3-D printing and related techniques) that have also been introduced and practiced for forming complicated architectures Features innovative 3rd generation ceramic and ceramic-related biomaterials
