Corrosion Mechanisms and Behavior of a P-130x Gr/6063 A1 Composite in Aqueous Environments PDF Download
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Author: Leslie R. Elkin
Publisher:
ISBN:
Category : Aluminum
Languages : en
Pages : 0
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Book Description
The corrosion mechanisms and behavior of a P-130x graphite fiber reinforced 6063 aluminum composite laminate were studied. Electrochemical and total immersion tests were performed on the composite in 3.5% sodium chloride and 5.0% sodium sulfate solutions. The effects of pH, the presence of sulfite ions, various heat treatments, and electrolyte aeration were investigated. Some tests were also performed on control monolithic 6063 aluminum specimens. Immersion tests showed that when graphite fibers are exposed simultaneously with the matrix, then galvanic coupling is the principal corrosion mechanism in this composite. However, if the composite cross sectional edges are sealed from contact with the environment, then pitting attack of the surface foils becomes the principal mode of attack, especially in harsh environments (chloride and sulfite ions present in addition to low pH). This form of attack can eventually lead to galvanic corrosion. Low pH and the addition of sulfite ion significantly increase the susceptibility to localized corrosion and the rates of both general and galvanic corrosion. Progressive aging of the composite matrix decreases general corrosion rates in deaerated solutions. Electrolyte aeration results in a significant reduction in the composite's resistance to all forms of corrosion.
Author: Leslie R. Elkin
Publisher:
ISBN:
Category : Aluminum
Languages : en
Pages : 0
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Book Description
The corrosion mechanisms and behavior of a P-130x graphite fiber reinforced 6063 aluminum composite laminate were studied. Electrochemical and total immersion tests were performed on the composite in 3.5% sodium chloride and 5.0% sodium sulfate solutions. The effects of pH, the presence of sulfite ions, various heat treatments, and electrolyte aeration were investigated. Some tests were also performed on control monolithic 6063 aluminum specimens. Immersion tests showed that when graphite fibers are exposed simultaneously with the matrix, then galvanic coupling is the principal corrosion mechanism in this composite. However, if the composite cross sectional edges are sealed from contact with the environment, then pitting attack of the surface foils becomes the principal mode of attack, especially in harsh environments (chloride and sulfite ions present in addition to low pH). This form of attack can eventually lead to galvanic corrosion. Low pH and the addition of sulfite ion significantly increase the susceptibility to localized corrosion and the rates of both general and galvanic corrosion. Progressive aging of the composite matrix decreases general corrosion rates in deaerated solutions. Electrolyte aeration results in a significant reduction in the composite's resistance to all forms of corrosion.
Author: United States. Army. Corps of Engineers
Publisher: Amer Society of Civil Engineers
ISBN: 9780784402825
Category : Technology & Engineering
Languages : en
Pages : 30
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Book Description
U.S. Army Corps of Engineers Technical Engineering and Design Guide No. 24 provides information and guidance for the use of chemical grouting in connection with construction projects.
Author: Hiroaki Masuda
Publisher: CRC Press
ISBN: 1439831882
Category : Science
Languages : en
Pages : 920
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Book Description
The Powder Technology Handbook, Third Edition provides a comprehensive guide to powder technology while examining the fundamental engineering processes of particulate technology. The book offers a well-rounded perspective on powder technologies that extends from particle to powder and from basic problems to actual applications. Pro
Author: Oliver Diwald
Publisher: John Wiley & Sons
ISBN: 1119436745
Category : Technology & Engineering
Languages : de
Pages : 903
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Book Description
Metal Oxide Nanoparticles A complete nanoparticle resource for chemists and industry professionals Metal oxide nanoparticles are integral to a wide range of natural and technological processes—from mineral transformation to electronics. Additionally, the fields of engineering, electronics, energy technology, and electronics all utilize metal oxide nanoparticle powders. Metal Oxide Nanoparticles: Formation, Functional Properties, and Interfaces presents readers with the most relevant synthesis and formulation approaches for using metal oxide nanoparticles as functional materials. It covers common processing routes and the assessment of physical and chemical particle properties through comprehensive and complementary characterization methods. This book will serve as an introduction to nanoparticle formulation, their interface chemistry and functional properties at the nanoscale. It will also act as an in-depth resource, sharing detailed information on advanced approaches to the physical, chemical, surface, and interface characterization of metal oxide nanoparticle powders and dispersions. Addresses the application of metal oxide nanoparticles and its economic impact Examines particle synthesis, including the principles of selected bottom-up strategies Explores nanoparticle formulation—a selection of processing and application routes Discusses the significance of particle surfaces and interfaces on structure formation, stability and functional materials properties Covers metal oxide nanoparticle characterization at different length scales With this valuable resource, academic researchers, industrial chemists, and PhD students can all gain insight into the synthesis, properties, and applications of metal oxide nanoparticles.
Author: Yarub Al-Douri
Publisher: Elsevier
ISBN: 0128175060
Category : Technology & Engineering
Languages : en
Pages : 454
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Book Description
Metal Oxide Powder Technologies: Fundamentals, Processing Methods and Applications reviews the fundamentals, processing methods and applications of this key materials system. Topics addressed comprehensively cover chemical and physical properties, synthesis, preparation, both accepted and novel processing methods, modeling and simulation. The book provides fundamental information on the key properties that impact performance, such as particle size and crystal structure, along with methods to measure, analyze and evaluate. Finally, important applications are covered, including biomedical, energy, electronics and materials applications. Provides a comprehensive overview of key topics both on the theoretical side and the experimental Discusses important properties that impact metal oxide performance, processing methods (both novel and accepted), and important applications Reviews the most relevant applications, such as biomedical, energy, electronics and materials applications
Author: J. E. Dutrizac
Publisher: Ellis Horwood Limited
ISBN: 9780135059913
Category : Technology & Engineering
Languages : en
Pages : 1258
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Book Description
Author:
Publisher:
ISBN:
Category : Biotechnology
Languages : en
Pages : 378
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Book Description
Author: Stefan Heinrich
Publisher: Springer Nature
ISBN: 3030451682
Category : Science
Languages : en
Pages : 626
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Book Description
This book presents the latest advances in flowsheet simulation of solids processes, focusing on the dynamic behaviour of systems with interconnected solids processing units, but also covering stationary simulation. The book includes the modelling of solids processing units, for example for comminution, sifting and particle formulation and also for reaction systems. Furthermore, it examines new approaches for the description of solids and their property distributions and for the mathematical treatment of flowsheets with multivariate population balances.
Author: Udo Fritsching
Publisher: Springer
ISBN: 3319323709
Category : Technology & Engineering
Languages : en
Pages : 1030
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Book Description
This book describes the latest research on producing functional particles using spray processes. The authors detail micro level elementary processes and phase boundaries, process analysis scaling and modeling, and macro level process functions and particle properties. They include numerical simulations and particulars of experiments for deriving process conditions for particle production.
Author: Hatem M.A. Amin
Publisher: CRC Press
ISBN: 1351694634
Category : Science
Languages : en
Pages : 278
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Book Description
With contributions from experts from both academia and industry, this book provides up-to-date reviews and promising approaches for corrosion control of metals and alloys via sustainable biopolymers and carbon nanomaterials coatings, focusing on the wonder material “graphene” which is more solid than steel. This book delivers essential information for improving the environmental and economic viability of current coating technologies. It is also a valuable reference for those who are interested in corrosion science and corrosion protection including professionals from the industry as well as academia.
