Réactivité interfaciale de systèmes aluminium-fibres de carbone et aluminium-fibres céramique PDF Download
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Author: Sylvie Mercier
Publisher:
ISBN:
Category :
Languages : fr
Pages : 252
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Book Description
L'objectif de l'étude est d'apporter une contribution à la compréhension des phénomènes interfaciaux qui interviennent lors de l'élaboration des matériaux composites à renfort fibreux et à matrice aluminium. Les renforts choisis pour cette étude ont été des fibres de carbone, des fibres de carbone protégées, et des fibres à base de carbure de silicium. Ces fibres sous forme de tissu ont été recouvertes d'aluminium par dépôt physique en phase vapeur. Les matériaux ainsi obtenus ont subi des traitements thermiques dans un réacteur couple à un spectromètre de masse. L'existence de réactions entre certains gaz produits par les fibres (CO, CO2) et l'aluminium lorsque la température est supérieure à 650°C a ainsi pu être mise en évidence. Ces réactions se produisent lors de la traversée du dépôt d'aluminium par les gaz issus des fibres et provoquent la formation de carbone d'aluminium. Le carbure d'aluminium est également formé par des réactions entre les espèces solides constituant les fibres et le métal. La quantité de carbure d'aluminium formé à l'interface fibre/métal lors des traitements thermiques a été déterminée par hydrolyse. Il a ainsi pu être montré que le carbure d'aluminium provient essentiellement des réactions entre les solides constituant les fibres et le métal. L'efficacité de divers recouvrements contre la formation de carbure d'aluminium a aussi été étudiée.
Author: Sylvie Mercier
Publisher:
ISBN:
Category :
Languages : fr
Pages : 252
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Book Description
L'objectif de l'étude est d'apporter une contribution à la compréhension des phénomènes interfaciaux qui interviennent lors de l'élaboration des matériaux composites à renfort fibreux et à matrice aluminium. Les renforts choisis pour cette étude ont été des fibres de carbone, des fibres de carbone protégées, et des fibres à base de carbure de silicium. Ces fibres sous forme de tissu ont été recouvertes d'aluminium par dépôt physique en phase vapeur. Les matériaux ainsi obtenus ont subi des traitements thermiques dans un réacteur couple à un spectromètre de masse. L'existence de réactions entre certains gaz produits par les fibres (CO, CO2) et l'aluminium lorsque la température est supérieure à 650°C a ainsi pu être mise en évidence. Ces réactions se produisent lors de la traversée du dépôt d'aluminium par les gaz issus des fibres et provoquent la formation de carbone d'aluminium. Le carbure d'aluminium est également formé par des réactions entre les espèces solides constituant les fibres et le métal. La quantité de carbure d'aluminium formé à l'interface fibre/métal lors des traitements thermiques a été déterminée par hydrolyse. Il a ainsi pu être montré que le carbure d'aluminium provient essentiellement des réactions entre les solides constituant les fibres et le métal. L'efficacité de divers recouvrements contre la formation de carbure d'aluminium a aussi été étudiée.
Author: G. Blankenburgs
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Maryam Taefi
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Author: Jean-Marie Berthelot
Publisher: Springer
ISBN: 9781461268031
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Mechanical engineering, an engineering discipline borne of the needs of the in dustrial revolution, is once again asked to do its substantial share in the call for industrial renewal. The general call is urgent as we face profound issues of produc tivity and competitiveness that require engineering solutions, among others. The Mechanical Engineering Series features graduate texts and research monographs intended to address the need for information in contemporary areas of mechanical engineering. The series is conceived as a comprehensive one that covers a broad range of concentrations important to mechanical engineering graduate education and re search. We are fortunate to have a distinguished roster of consulting editors on the advisory board, each an expert in one of the areas of concentration. The names of the consulting editors are listed on the next page of this volume. The areas of concentration are applied mechanics, biomechanics, computational mechan ics, dynamic systems and control, energetics, mechanics of materials, processing, thermal science, and tribology.
Author: Philippe Boch
Publisher: John Wiley & Sons
ISBN: 0470394544
Category : Technology & Engineering
Languages : en
Pages : 593
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Book Description
This book is primarily an introduction to the vast family of ceramic materials. The first part is devoted to the basics of ceramics and processes: raw materials, powders synthesis, shaping and sintering. It discusses traditional ceramics as well as “technical” ceramics – both oxide and non-oxide – which have multiple developments. The second part focuses on properties and applications, and discusses both structural and functional ceramics, including bioceramics. The fields of abrasion, cutting and tribology illustrate the importance of mechanical properties. It also deals with the questions/answers of a ceramicist regarding electronuclear technology. As chemistry is an essential discipline for ceramicists, the book shows, in particular, what soft chemistry can contribute as a result of sol-gel methods.
Author: R. Shabadi
Publisher: Trans Tech Publications Ltd
ISBN: 3035732086
Category : Technology & Engineering
Languages : en
Pages : 2604
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Book Description
This book presents the proceedings of the THERMEC2018: 10th International Conference on Processing and Manufacturing of Advanced Materials, which took place between July 09 and July 13, 2018 in Paris, France, under the co-sponsorship of Universite de Lille, MINES ParisTech, PSL and Universite de Tours, France. The presented book will be useful for many researchers and engineers/technologists working in different aspects of processing and fabrication of materials, structure/property evaluation and applications of both ferrous and nonferrous materials including biomaterials, smart materials as well as the advanced measurement techniques in the materials science.
Author:
Publisher:
ISBN:
Category : Seawater corrosion
Languages : en
Pages : 90
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Book Description
Author: Robert Winston Revie
Publisher:
ISBN: 9781613441619
Category : Corrosion and anti-corrosives
Languages : en
Pages : 1253
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Book Description
This book serves as a reference for engineers, scientists, and students concerned with the use of materials in applications where reliability and resistance to corrosion are important. It updates the coverage of its predecessor, including coverage of: corrosion rates of steel in major river systems and atmospheric corrosion rates, the corrosion behavior of materials such as weathering steels and newer stainless alloys, and the corrosion behavior and engineering approaches to corrosion control for nonmetallic materials. New chapters include: high-temperature oxidation of metals and alloys, nanom.
Author: Mohamed Thariq Hameed Sultan
Publisher: CRC Press
ISBN: 1000634833
Category : Technology & Engineering
Languages : en
Pages : 339
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Book Description
This book bridges the gap between theoretical concepts and their implementations, especially for the high-performance structures/components related to advanced composite materials. This work focuses on the prediction of various structural responses such as deformations, natural frequencies etc. of advanced composites under complex environments and/or loading conditions. In addition, it discusses micro-mechanical material modeling of various advanced composite materials that involve different structures ranging from basic to advanced, such as beams, flat and curved panels, shells, skewed, corrugated, and other materials, as well as various solution techniques via analytical, semi-analytical, and numerical approaches. This book: Covers micro-mechanical material modeling of advanced composite materials Describes constitutive models of different composite materials and kinematic models of different structural configuration Discusses pertinent analytical, semi-analytical, and numerical techniques Focusses on structural responses relating to deformations, natural frequencies, and critical loads under complex environments Presents actual demonstrations of theoretical concepts as applied to real examples using Ansys APDL scripts This book is aimed at researchers, professionals, and graduate students in mechanical engineering, material science, material engineering, structural engineering, aerospace engineering, and composite materials.
Author: Agnes Buka
Publisher: World Scientific
ISBN: 1848167997
Category : Science
Languages : en
Pages : 299
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Book Description
The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
