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Author : Amina Dridi
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Élaboration des revêtements métalliques Cu-Zn written by Amina Dridi and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thang Le Ba
Publisher :
ISBN 13 :
Total Pages : 109 pages
Book Rating : 4.:/5 (49 download)
Download or read book Élaboration, caractérisation et comportement à la corrosion de revêtements zinc-nickel électrodéposés sur acier written by Thang Le Ba and published by . This book was released on 2001 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les revêtements de zinc pur sont très utilisés pour la protection cathodique des aciers contre la corrosion. Les alliages Zn-Ni, possèdent une efficacité protectrice moindre en raison d'une plus faible différence de potentiel entre le revêtement et le substrat, mais ont l'avantage de présenter une meilleure résistance intrinsèque à la corrosion. Des revêtements Zn-Ni ont été électrodéposés sur acier doux à partir de bains d'ammonium. L'influence de différents paramètres (composition des bains, température, densité de courant appliquée) sur la teneur en nickel, la morphologie et la structure des dépôts ainsi que sur le rendement faradique a été examinée afin d'identifier les paramètres les plus influents. Ainsi, le pH et la température sont les paramètres qui influencent le plus la teneur en nickel des dépôts. Le rendement faradique décroît lorsque la teneur en nickel augmente. L'influence de ces divers paramètres sur le comportement en corrosion a été étudiée en solution aqueuse de chlorure de sodium. Si le potentiel de corrosion des dépôts apparaît corrélé à leur teneur en nickel, ce n'est pas le cas du courant de corrosion qui semble également dépendre de la morphologie et structure. Par ailleurs, la résistance de polarisation n'est pas représentative de la vitesse de corrosion. Des essais chronopotentiométriques ont montré que la protection par des revêtements contenant plus de 10 % Ni peut disparaître pour de longues durées d'immersion à cause de l'ennoblissement du dépôt résultant de la dissolution sélective du zinc et conduisant à une inversion de polarité entre l'acier et le revêtement. Cependant des essais de couplage galvanique ont montré que cette inversion de polarité pouvait être retardée en raison de la passivation de l'acier. Des essais d'exposition en climat tropical marin de tôles revêtues de zinc pur ou d'alliages zinc-nickel contenant jusqu'à 15,8 % de nickel, ont confirmé l'influence bénéfique de la présence de cet élément dans les dépôts sur la tenue à la corrosion atmosphérique.
Author : John D. Wright
Publisher : CRC Press
ISBN 13 : 1482283166
Total Pages : 136 pages
Book Rating : 4.4/5 (822 download)
Download or read book Sol-Gel Materials written by John D. Wright and published by CRC Press. This book was released on 2018-10-03 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol-Gel processing methods, first used historically for decorative and constructional materials, were extensively developed in the last century for applications such as glasses, ceramics, catalysts, coatings, composites and fibres. Today they are reaching their full potential, enabling the preparation of new generations of advanced materials not easily accessible by other methods yet using mild, low-energy conditions. The topic is therefore increasingly included in advanced undergraduate, MSc and PhD programmes in the areas of chemistry, physics and materials science. This concise introductory text, written at the advanced undergraduate/first-year postgraduate level, is also suitable as an introduction to the development, mechanisms, chemistry, characterisation methods and applications of the technique. It provides readers with an extensive yet concise grounding in the theory of each area of the subject and details the real and potential applications and the future prospects of sol-gel chemistry.
Author : Pasquale Cavaliere
Publisher : Springer
ISBN 13 : 3319671839
Total Pages : 566 pages
Book Rating : 4.3/5 (196 download)
Download or read book Cold-Spray Coatings written by Pasquale Cavaliere and published by Springer. This book was released on 2017-11-08 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book combines the contributions of experts in the field to describe the behavior of various materials, micromechanisms involved during processing, and the optimization of cold-spray technology. It spans production, characterization, and applications including wear resistance, fatigue, life improvement, thermal barriers, crack repair, and biological applications. Cold spray is an innovative coating technology based on the kinetic energy gained by particles sprayed at very high pressures. While the technique was developed in the 1990s, industrial and scientific interest in this technology has grown vastly in the last ten years. Recently, many interesting applications have been associated with cold-sprayed coatings, including wear resistance, fatigue life improvement, thermal barriers, biological applications, and crack repair. However, many fundamental aspects require clarification and description.
Author : Pierre L. Fauchais
Publisher : Springer Science & Business Media
ISBN 13 : 0387689915
Total Pages : 1587 pages
Book Rating : 4.3/5 (876 download)
Download or read book Thermal Spray Fundamentals written by Pierre L. Fauchais and published by Springer Science & Business Media. This book was released on 2014-01-24 with total page 1587 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with the fundamentals necessary for understanding thermal spray technology. Coverage includes in-depth discussions of various thermal spray processes, feedstock materials, particle-jet interactions, and associated yet very critical topics: diagnostics, current and emerging applications, surface science, and pre and post-treatment. This book will serve as an invaluable resource as a textbook for graduate courses in the field and as an exhaustive reference for professionals involved in thermal spray technology.
Author : H. R. Sasse
Publisher : Springer
ISBN 13 : 9781489934543
Total Pages : 0 pages
Book Rating : 4.9/5 (345 download)
Download or read book Adhesion between polymers and concrete / Adhésion entre polymères et béton written by H. R. Sasse and published by Springer. This book was released on 2013-11-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Author :
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (953 download)
Download or read book Metallic and Other Inorganic Coatings written by and published by . This book was released on 2015 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.3/5 (91 download)
Download or read book Analytical Methods in the Nuclear Fuel Cycle written by and published by . This book was released on 1972 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1422 pages
Book Rating : 4.:/5 (319 download)
Download or read book INIS Atomindex written by and published by . This book was released on 1970 with total page 1422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philippe Dillmann
Publisher : Routledge
ISBN 13 : 1351192779
Total Pages : 261 pages
Book Rating : 4.3/5 (511 download)
Download or read book Corrosion of Archaeological and Heritage Artefacts EFC 45 written by Philippe Dillmann and published by Routledge. This book was released on 2017-12-02 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This special issue of Corrosion Engineering Science and Technology is dedicated to the study of corrosion of objects from historical sites. The issue contains contributions from the 2009 EUROCORR session on Corrosion of Archaeological and Heritage Artefacts organised by the European Federation of Corrosion's working party and commissioned articles on other key issues. The objective is to give the reader a broad understanding of corrosion of ancient materials, for the most part metal but also glass. Articles shed light on a range of analytical approaches related to the study of the complex systems that make up historical artifacts. In order to arrive at an understanding of the nanometric organisation of rust layers and interphases, such studies must be approached on a macroscopic scale. Techniques used include; macrophotography, synchrotron radiation and transmission electron microscopy (TEM) that ensure results that are both exhaustive and representative of particular observations. This issue demonstrates the wealth of approaches possible in the study of the corrosion of ancient materials."
Author : Linda Strande
Publisher : IWA Publishing
ISBN 13 : 1780404735
Total Pages : 428 pages
Book Rating : 4.7/5 (84 download)
Download or read book Faecal Sludge Management written by Linda Strande and published by IWA Publishing. This book was released on 2014-08-15 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Author : Bernhard Elsener
Publisher : CRC Press
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.X/5 (4 download)
Download or read book Corrosion Inhibitors for Steel in Concrete written by Bernhard Elsener and published by CRC Press. This book was released on 2001 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of inhibitors for rehabilitation of reinforced concrete structures is a new field of application and this new volume provides a State of the Art Report on this subject. Corrosion of steel in concrete is one of the major problems for infrastructure such as bridges, tunnels, housing etc. since it leads to spalling of the concrete and loss in cross section of the steel that may cause structural and safety problems. The steel in concrete generally resists corrosion as a result of a passive layer that develops on the metal surface in the alkaline environment of the concrete. Corrosion can occur if these conditions are disturbed, for example, in the presence of chlorides or with carbonation of concrete. Traditional repair methods consist in removing the deteriorated concrete and replacing it but these can be laborious, noisy and very costly. To avoid these disadvantages new methods have been developed in recent years. These include electrochemical procedures and, increasingly, the use of inhibitors. The use of inhibitors for rehabilitation of reinforced concrete structures is a new field of application and this new volume provides a State of the Art Report on this subject.The report, under the editorship of Prof. Bernhard Elsener, was prepared by a Task Group of the EFC Working Party on Corrosion of Reinforcement in Concrete. In a literature review it describes inorganic and organic chemicals that have been proposed and examined as well as the commercial corrosion inhibitors that are available on the market. Protection mechanism and possible effects of inhibitors on concrete properties are described. Practical experience with inhibitors for steel in concrete and the long term effectiveness are considered. The various test methods for evaluating the behaviour of the inhibitors are described and critically assessed. In a rapidly evolving field this State of the Art Report, based mainly on independent not commercial literature, will be of value to corrosion engineers and civil engineers concerned with maintenance and repair of reinforced concrete structures.
Author :
Publisher :
ISBN 13 :
Total Pages : 1070 pages
Book Rating : 4.:/5 (89 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1986 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 508 pages
Book Rating : 4.3/5 (91 download)
Download or read book World Translations Index written by and published by . This book was released on 1996 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean-Paul Kurtz
Publisher : Springer Science & Business Media
ISBN 13 : 0306484749
Total Pages : 1520 pages
Book Rating : 4.3/5 (64 download)
Download or read book Dictionary of Civil Engineering written by Jean-Paul Kurtz and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 1520 pages. Available in PDF, EPUB and Kindle. Book excerpt: I am pleased to present a work which marks a milestone in the history of public works and, more precisely, in that of permanent structures—a comprehensive dictionary of Civil Engineering terms. Since the beginning of time, Man has always tried to find a means to clear the obstacles which nature erected to displace him. With the first tree trunk thrown across a river, man sought to improve the crossing structure. After the invention of the wheel, and to satisfy his thirst for conquest (Roman ways), and comfort (aqueducts), man built bridges that became a preremptory necessity to move quickly. Thus, Man started to build wooden and masonry works. With the passing centuries, the builders became masters in the art of building masonry works. Then came the Industrial Revolution and the advent of the steel (1864), which was closely followed by the invention of the reinforced concrete (1855). The need for railways and improving the road network inspired great works of crossing such as viaducts and tunnels. The boom of the railway network and the development of the car required the construction of an increasing number of new structures. This phenomenon continues today with hundreds of structures built each year throughout the world.
Author : International Atomic Energy Agency
Publisher : Agency
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (91 download)
Download or read book Advances in Uranium Ore Processing and Recovery from Non-conventional Resources written by International Atomic Energy Agency and published by Agency. This book was released on 1985 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9789251055212
Total Pages : 116 pages
Book Rating : 4.0/5 (552 download)
Download or read book Guidelines for Soil Description written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2006 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss. In order to prevent soil degradation and to rehabilitate the potentials of degraded soils, reliable soil data are the most important prerequisites for the design of appropriate land-use systems and soil management practices as well as for a better understanding of the environment. The availability of reliable information on soil morphology and other characteristics obtained through examination and description of the soil in the field is essential, and the use of a common language is of prime importance. These guidelines, based on the latest internationally accepted systems and classifications, provide a complete procedure for soil description and for collecting field data. To help beginners, some explanatory notes are included as well as keys based on simple test and observations.--Publisher's description.
