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The Stress Corrosion Cracking And Hydrogen Embrittlement Of A Rapidly Solidified Al Zn Mg Cu Alloy
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Book Synopsis The Stress Corrosion Cracking and Hydrogen Embrittlement of a Rapidly Solidified Al-Zn-Mg-Cu Alloy by : Joseph Loy Goss
Download or read book The Stress Corrosion Cracking and Hydrogen Embrittlement of a Rapidly Solidified Al-Zn-Mg-Cu Alloy written by Joseph Loy Goss and published by . This book was released on 1986 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms of Stress-Corrosion Cracking and Liquid-Metal Embrittlement, Particularly in High-Strength Aluminium Alloys by : S. P. Lynch
Download or read book Mechanisms of Stress-Corrosion Cracking and Liquid-Metal Embrittlement, Particularly in High-Strength Aluminium Alloys written by S. P. Lynch and published by . This book was released on 1977 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metallographic and fractographic observations of sub-critical crack growth in a precipitation-hardened AlZn-Mg alloy in liquid-metal, aqueous, and water-vapour/air environments suggest that stress-corrosion cracking and liquid-metal embrittlement in this alloy involve a common mechanism. Sub-critical crack growth in all these environments can produce entirely dimpled fracture surfaces and, in liquid-metal and aqueous environments, crack growth can occur extremely rapidly. It is proposed that stress-corrosion cracking and liquid-metal embrittlement in aluminium alloys (and possibly other materials) can be explained on the basis that chemisorption of environmental species facilitates nucleation of dislocations at crack tips. Such a process would produce sub-critical crack growth with less blunting at crack tips than in inert environments and, hence, would explain observations that dimples on fracture surfaces after SCC are smaller and shallower than those on overload fractures. The results suggest that neither dissolution nor hydrogen-embrittlement processes occurred during stress-corrosion cracking in aluminium alloys. (Author).
Book Synopsis Aluminum Alloys--Contemporary Research and Applications by : A. K. Vasudevan
Download or read book Aluminum Alloys--Contemporary Research and Applications written by A. K. Vasudevan and published by Elsevier. This book was released on 2012-12-02 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the structure and properties of the current and potential aluminum alloys in terms of their structure (and structural transformations by new processing methods) and the relationship between structure and mechanical and other properties. The alternative materials that challenge aluminum are considered as well, since the challenge of new competitive materials is a strong influence on innovation. The book bridges the gap between current scientific understanding and engineering practice. It is an up-to-date reference that will be of use to researchers and advanced students in metallurgy and materials engineering.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1973 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion Engineering by : Branko N. Popov
Download or read book Corrosion Engineering written by Branko N. Popov and published by Elsevier. This book was released on 2015-02-26 with total page 813 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion Engineering: Principles and Solved Problems covers corrosion engineering through an extensive theoretical description of the principles of corrosion theory, passivity and corrosion prevention strategies and design of corrosion protection systems. The book is updated with results published in papers and reviews in the last twenty years. Solved corrosion case studies, corrosion analysis and solved corrosion problems in the book are presented to help the reader to understand the corrosion fundamental principles from thermodynamics and electrochemical kinetics, the mechanism that triggers the corrosion processes at the metal interface and how to control or inhibit the corrosion rates. The book covers the multidisciplinary nature of corrosion engineering through topics from electrochemistry, thermodynamics, mechanical, bioengineering and civil engineering. Addresses the corrosion theory, passivity, material selections and designs Covers extensively the corrosion engineering protection strategies Contains over 500 solved problems, diagrams, case studies and end of chapter problems Could be used as a text in advanced/graduate corrosion courses as well self-study reference for corrosion engineers
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch Publisher : ISBN 13 : Total Pages :1080 pages Book Rating :4.E/5 ( download)
Book Synopsis Japanese Science and Technology, 1983-1984 by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
Download or read book Japanese Science and Technology, 1983-1984 written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch and published by . This book was released on 1985 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-Corrosion Cracking of High-Strength Aluminum Alloys by : E. N. Pugh
Download or read book Stress-Corrosion Cracking of High-Strength Aluminum Alloys written by E. N. Pugh and published by . This book was released on 1980 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study has been made of the mechanism of hydrogen embrittlement (HE) in Al-Zn-Mg alloys, and of the role of hydrogen in the intergranular stress-corrosion cracking (I-SCC) of these alloys. Up to 300 ppm (1 at pct) hydrogen was introduced into a high-purity Al-5.6Zn-2.6Mg alloy, either by room temperature polishing with aqueous slurries of alumina particles or by exposure to water-vapor-saturated air (WVSA) at 70 C, and subsequent tensile tests (stress rate approx 0.0001/s) in inert environments caused brittle intergranular fracture. Embrittlement was found to be reversible, the tensile properties being completely restored when the hydrogen was outgassed. At low hydrogen contents, embrittlement was suppressed by the use of high strain rates (approx 0.01/s), but could not be suppressed by impact testing at large hydrogen concentrations. The intergranular fracture surfaces were observed to be associated with a fragmented layer, and electron-diffraction experiments indicated that it corresponded to a hexagonal aluminum hydride, Al H3, with a = 2.90 A and c = 4.55 A. This hydride, considered to be stress-induced, was unstable in laboratory air, slowly decomposing to FCC Al. It is concluded that internal HE in this alloy occurs by repeated cycles of the formation and rupture of this brittle hydride.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book Metals Abstracts written by and published by . This book was released on 1999 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking Of Metals-A State of the Art by : H. Lee Craig
Download or read book Stress Corrosion Cracking Of Metals-A State of the Art written by H. Lee Craig and published by ASTM International. This book was released on 1972 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1993 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys by : Benjamin Floyd Brown
Download or read book Stress-corrosion Cracking in High Strength Steels and in Titanium and Aluminum Alloys written by Benjamin Floyd Brown and published by . This book was released on 1972 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking of Al-Zn-Mg-Cu Alloys by : Steven P. Knight
Download or read book Stress Corrosion Cracking of Al-Zn-Mg-Cu Alloys written by Steven P. Knight and published by . This book was released on 2008 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stress Corrosion Cracking and Hydrogen Embrittlement of Alloy EP-823 by : Mohammad Hossain
Download or read book Stress Corrosion Cracking and Hydrogen Embrittlement of Alloy EP-823 written by Mohammad Hossain and published by LAP Lambert Academic Publishing. This book was released on 2010-05 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation is focused on the evaluation of stress corrosion cracking (SCC), localized corrosion, and hydrogen embrittlement (HE) susceptibility of martensitic Alloy EP-823 in neutral and acidic solutions at ambient and elevated temperatures. While no failures were observed in smooth specimens in the neutral solution, failures were noticed in the 90 C acidic solution at constant-load (CL) leading to a threshold stress ( th) of 102 ksi. The presence of a notch reduced the th value to 91 ksi in a similar environment. The ductility (%El and %RA), time-to-failure (TTF), and true failure stress ( f) were gradually reduced in both environments with increasing temperature during SSR testing. The presence of a notch, however, enhanced the f value. All polarized specimens exhibited localized attack. The application of a controlled cathodic potential further reduced the ductility, TTF and of showing the characteristics of more brittle failures. Metallographic and fractographic evaluations revealed secondary cracks along the gage section, and combination of ductile and brittle failures at the primary fracture face, respectively."
Download or read book Alloys Index written by and published by . This book was released on 1990 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1983 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
