Corrosion Behavior of AJ62x and AZ91D Magnesium Alloys in Chloride Media [microform] PDF Download
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Author: Wei Zhang
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
ISBN: 9780494048269
Category :
Languages : en
Pages : 212
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Book Description
![Corrosion Behavior of AJ62x and AZ91D Magnesium Alloys in Chloride Media [microform] PDF](https://books.google.com/books/content/images/frontcover/l3gAswEACAAJ?fife=w80-h100)
Author: Wei Zhang
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
ISBN: 9780494048269
Category :
Languages : en
Pages : 212
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Book Description
Author: G L Song
Publisher: Elsevier
ISBN: 0857091417
Category : Technology & Engineering
Languages : en
Pages : 665
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Book Description
The use of magnesium alloys is increasing in a range of applications, and their popularity is growing wherever lightweight materials are needed. This book provides a comprehensive account of the corrosion of magnesium alloys. It covers not only the corrosion performances and mechanisms of Mg alloys in conventional environments, such as sodium chloride solutions, but also looks at their corrosion behaviours in special media, like engine coolants and simulated body fluids.Part one covers fundamentals such as the corrosion electrochemistry, activity and passivity of magnesium and its alloys. Part two then considers the metallurgical effect in relation to the corrosion of magnesium alloys, including the role of micro-structure and earth-rare elements, the corrosion behaviour of magnesium-based bulk metallic glasses, and the corrosion of innovative magnesium alloys. Part three goes on to describe environmental influences on the corrosion of magnesium alloys, such as atmospheric corrosion, stress corrosion cracking, creep and fatigue behaviour, and galvanic corrosion. Finally, part four is concerned with various means of protecting magnesium alloys against corrosion through the use of aluminium electrodeposition, conversion and electrophoretic coatings, and anodisation.With its distinguished editor and team of contributors, this book is an invaluable resource for metallurgists, engineers and designers working with magnesium and its alloys, as well as professionals in the aerospace and automotive industries. - Provides a comprehensive account of the corrosion of magnesium alloys covering fundamentals such as the corrosion electrochemistry, activity and passivity - Reviews the metallurgical effect in relation to the corrosion of magnesium alloys, including the role of micro-structure and earth-rare elements - Assesses environmental influences such as atmospheric corrosion, stress corrosion cracking, creep and fatigue behaviour, and galvanic corrosion
Author: Guang-Ling Song
Publisher: Elsevier
ISBN: 0857098969
Category : Technology & Engineering
Languages : en
Pages : 584
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Book Description
Magnesium (Mg) alloys are receiving increasing attention due to their abundance, light weight, castability, formability, mechanical properties and corrosion performance. By selecting the appropriate combination of materials, coatings and surface modifications, their corrosion resistance can be greatly enhanced. Corrosion prevention of magnesium alloys is a comprehensive guide to the effective prevention of corrosion in these important light metals.Part one discusses alloying, inhibition and prevention strategies for magnesium alloys as well as corrosion and prevention principles. Part two reviews surface treatment and conversion. Beginning with an overview of surface cleaning and pre-conditioning, the book goes on to discuss the use of surface processing and alloying, laser treatments, chemical conversion and electrochemical anodization to improve the corrosion resistance of magnesium alloys. Coatings are then the focus of part three, including varied plating techniques, cold spray coatings, gel and electroless electrophoresis coatings. Finally, the book concludes in part four with a selection of case studies investigating the application of preventative techniques for both automotive and medical applications.With its distinguished editor and international team of expert contributors, Corrosion prevention of magnesium alloys is a key reference tool for all those working with magnesium and its alloys, including scientists, engineers, metallurgists, aerospace and automotive professionals, and academics interested in this field. - Chapters provide an overview of surface cleaning and pre-conditioning - Examines processes to improve the corrosion resistance of magnesium alloys, including laser treatments and chemical conversion and electrochemical anodization - Discusses cold spray, sol-gel and electrophoretic coatings
Author: Ethan David
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The book "Electrochemical Behaviour of Magnesium Alloys in Aqueous Media" by L. Sutha delves into the electrochemical behavior of magnesium alloys in aqueous media, with a particular focus on corrosion. The book covers various aspects related to magnesium alloys, including their composition, anodic dissolution, cathodic reactions, hydrogen evolution, pH, chloride ions, sulfate ions, and corrosion inhibitors. The author discusses different techniques used to study the electrochemical behavior of magnesium alloys, such as polarization curves, potentiodynamic scanning, and electrochemical impedance spectroscopy. Additionally, the book explores the surface morphology, microstructure, crystallographic texture, and mechanical properties of magnesium alloys. The book also covers various topics related to magnesium alloy processing, surface treatments, and corrosion prevention strategies. The author explains different corrosion mechanisms, including intermetallic compounds, intergranular corrosion, pitting corrosion, galvanic corrosion, crevice corrosion, corrosion fatigue, stress corrosion cracking, and hydrogen embrittlement. The book highlights the importance of corrosion testing, including immersion tests, electrochemical tests, and accelerated corrosion tests, in evaluating the electrochemical behavior of magnesium alloys. The author also discusses corrosion modeling and its applications in predicting the corrosion behavior of magnesium alloys in various environments. Furthermore, the book explores the potential applications of magnesium alloys in various fields, including biodegradable implants, biomedical applications, sustainable materials, environmental impact, industrial applications, aerospace industry, and automotive industry. Finally, the book discusses the use of cathodic protection, coatings, and inhibitors to prevent or mitigate the corrosion of magnesium alloys. Overall, the book provides a comprehensive overview of the electrochemical behavior of magnesium alloys in aqueous media and is a valuable resource for researchers, engineers, and students interested in this field.
Author: W.-T. Tsai
Publisher: Elsevier Inc. Chapters
ISBN: 0128089539
Category : Technology & Engineering
Languages : en
Pages : 32
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Book Description
To improve the corrosion resistance of magnesium (Mg) alloys, surface modification is applied in an attempt to produce a corrosion resistant barrier. In this chapter, a new method to deposit aluminum (Al) film on a Mg alloy surface is demonstrated. Electrodeposition of Al on AZ91D Mg alloy, using an acidic aluminum chloride–1-ethyl-3-methyl-imidazolium chloride ionic liquid (AlCl3–EMIC), has been shown to be feasible. The existence of Al coating can cause a substantial increase in corrosion resistance, reducing the susceptibility of Mg alloy to aqueous corrosion. The results of electrochemical impedance spectroscopy show that Al coating leads to an increase in the polarization resistance of a bare Mg alloy by one order of magnitude in 3.5wt% NaCl solution. Furthermore, the potentiodynamic polarization results show that Al-coated Mg alloy can be passivated, and a wider passive region with a lower passive current density can be obtained if the Al is electrodeposited at a lower applied current or a low cathodic overpotential. The passivity of the co-deposited Al/Zn film is slightly inferior to that of the pure Al coating.
Author: I. Yu Mukhina
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
A systematic investigation of the effect of 23 elements on the corrosion behavior of magnesium alloys in a 3% solution of Sodium Chloride (NaCl) and in a humid atmosphere was carried out. The values of the stationary potentials and the variation of the potentials through times are determined. The purpose of this work is to make a systematic investigation of the effect of alloying additives on the corrosion resistance and electrochemical characteristics of magnesium alloys. It is very interesting to study the corrosion behavior of binary systems, not only from the theoretical standpoint, but also from the practical one, since the selection of systems for developing corrosion resistant alloys would be essentially random without these data. Reports give data about the effect of some elements on the corrosion and electrochemical behavior of magnesium alloys. However, the information in the literature about the systematic investigation of the effect of alloying components on the corrosion characteristics of magnesium alloys is inadequate. Keywords: Russian Translations.
