[PDF] External Stress Corrosion Cracking Of A 122 M Diameter Type 316 Stainless Steel Air Valve eBook

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
Page : 36 pages
File Size : 38,76 MB
Release : 2018-08-17
Category :
ISBN : 9781725780422

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An investigation was conducted to determine the cause of the failure of a massive AISI Type 316 stainless steel valve which controlled combustion air to a jet engine test facility. Several through-the-wall cracks were present near welded joints in the valve skirt. The valve had been in outdoor service for 18 years. Samples were taken in the cracked regions for metallographic and chemical analyses. Insulating material and sources of water mist in the vicinity of the failed valve were analyzed for chlorides. A scanning electron microscope was used to determine whether foreign elements were present in a crack. On the basis of the information generated, the failure was characterized as external stress-corrosion cracking. The cracking resulted from a combination of residual tensile stress from welding and the presence of aqueous chlorides. Recommended countermeasures are included. Moore, Thomas J. and Telesman, Jack and Moore, Allan S. and Johnson, Dereck F. and Kuivinen, David E. Glenn Research Center NASA-TP-3190, E-6810, NAS 1.60:3190 RTOP 505-62-84...

Author : K. Elayaperumal
Publisher : John Wiley & Sons
Page : 256 pages
File Size : 32,99 MB
Release : 2015-04-27
Category : Science
ISBN : 1119043115

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Provides corrosion basics in a lucid manner to students and working professionals and over 80 corrosion-failure analysis case studies Correlates Failure Analysis with Corrosion Science Exclusively provides corrosion-related failure analysis case histories in one place in a convenient format One-stop shop for both science and real time occurrence of the phenomenon of corrosion Full coverage of all MOC, Materials of Construction, used for process equipments Simple but Lucid presentation of Failure Analysis procedure

Author :
Publisher : ASM International
Page : 426 pages
File Size : 21,51 MB
Release : 2015-12-01
Category : Technology & Engineering
ISBN : 1627080945

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Originally published in 1994, this second edition of Corrosion in the Petrochemical Industry collects peer-reviewed articles written by experts in the field of corrosion that were specifically chosen for this book because of their relevance to the petrochemical industry. This edition expands coverage of the different forms of corrosion, including the effects of metallurgical variables on the corrosion of several alloys. It discusses protection methods, including discussion of corrosion inhibitors and corrosion resistance of aluminum, magnesium, stainless steels, and nickels. It also includes a section devoted specifically to petroleum and petrochemical industry related issues.

Author : American Welding Society. Committee on Filler Metals and Allied Materials
Publisher :
Page : 42 pages
File Size : 45,75 MB
Release : 2012-11-28
Category : Electric welding
ISBN : 9780871718211

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Composition and other requirements are specified for more than forty classifications of covered stainless steel welding electrodes. The requirements include general requirements, testing, and packaging. Annex A provides application guidelines and other useful information about the electrodes. This specification makes use of both U.S. Customary Units and the International System of Units [SI]. Since these are not equivalent, each system must be used independently of the other.

Author : American Water Works Association
Publisher : American Water Works Association
Page : 286 pages
File Size : 24,41 MB
Release : 2008
Category : Science
ISBN : 1583215492

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This comprehensive manual of water supply practices explains the design, selection, specification, installation, transportation, and pressure testing of concrete pressure pipes in potable water service.

Author : Y. Frank Cheng
Publisher : John Wiley & Sons
Page : 292 pages
File Size : 45,77 MB
Release : 2013-02-13
Category : Science
ISBN : 1118537084

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Explains why pipeline stress corrosion cracking happens and how it can be prevented Pipelines sit at the heart of the global economy. When they are in good working order, they deliver fuel to meet the ever-growing demand for energy around the world. When they fail due to stress corrosion cracking, they can wreak environmental havoc. This book skillfully explains the fundamental science and engineering of pipeline stress corrosion cracking based on the latest research findings and actual case histories. The author explains how and why pipelines fall prey to stress corrosion cracking and then offers tested and proven strategies for preventing, detecting, and monitoring it in order to prevent pipeline failure. Stress Corrosion Cracking of Pipelines begins with a brief introduction and then explores general principals of stress corrosion cracking, including two detailed case studies of pipeline failure. Next, the author covers: Near-neutral pH stress corrosion cracking of pipelines High pH stress corrosion cracking of pipelines Stress corrosion cracking of pipelines in acidic soil environments Stress corrosion cracking at pipeline welds Stress corrosion cracking of high-strength pipeline steels The final chapter is dedicated to effective management and mitigation of pipeline stress corrosion cracking. Throughout the book, the author develops a number of theoretical models and concepts based on advanced microscopic electrochemical measurements to help readers better understand the occurrence of stress corrosion cracking. By examining all aspects of pipeline stress corrosion cracking—the causes, mechanisms, and management strategies—this book enables engineers to construct better pipelines and then maintain and monitor them to ensure safe, reliable energy supplies for the world.