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inadvertent system failure

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780019
EISBN: 978-1-62708-268-6
... intermittent and inadvertent system failures. failure analysis inadvertent system failure intermittent system failure A SYSTEM IS A COMBINATION of parts, subassemblies, procedures, and people that form an entity capable of accomplishing specific functions when commanded to do so. It may be to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110101
EISBN: 978-1-62708-247-1
... basic diagnosis tools, discussing their merits for the failure analysis engineer. The article also describes the various requirements and other considerations that typically need to be taken into account to set up a full working scan diagnosis system. It summarizes the principles of design with embedded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270003
EISBN: 978-1-62708-301-0
... factory with extensive damage to the community. As the complexity of our technological systems increases, so do the possible catastrophic consequences of the failure. For understanding failures and their prevention, there is a need for the application of many disciplines of science and technology. The...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780147
EISBN: 978-1-62708-268-6
... Abstract In some cases, the failure analysis team finds that all components meet their requirements, the system was properly assembled, and it was not operated or tested in an out-of-specification manner, yet it still failed. When this occurs, the only conclusion the failure analysis team can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780109
EISBN: 978-1-62708-268-6
... prevent proper system operation, induce inadvertent operation, or accelerate wear. To address this concern, the failure analysis team should dimensionally inspect suspect parts to confirm engineering drawing compliance. Under certain tolerance conditions, it may be possible for conforming parts to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180061
EISBN: 978-1-62708-256-3
... corrective action can be implemented to prevent future occurrences, thus saving a company time and money. It is also possible to determine whether the failure was unique or symptomatic of a widespread, systemic problem. Chapter 2 presented an example of a fabrication failure that involved a part in the...
Series: ASM Technical Books
Publisher: ASM International
Published: 23 January 2020
DOI: 10.31399/asm.tb.stemsem.9781627082921
EISBN: 978-1-62708-292-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780057
EISBN: 978-1-62708-268-6
... Abstract Quantifying a fault-tree analysis is a useful tool for assessing the most likely causes of a system failure. This chapter addresses fault-tree analysis event probabilities and ranking of failure causes based on these probabilities. Failure rates, failure-rate sources, probability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780047
EISBN: 978-1-62708-268-6
... Abstract This chapter covers special fault-tree analysis topics, including the use of transfer symbols, INHIBIT gates, sequential AND gates, state-of-the-part versus state-of-the-system considerations, and the fault tree to identify redundancy-defeating failures. INHIBIT gates sequential...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780081
EISBN: 978-1-62708-268-6
... that because the system had been operating without failure in the past, something must have changed. In some cases, this is true; in other cases, it is not. This chapter targets areas that determine if a change occurred and if the change induced the failure. This is referred to as change or “what’s...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
.... The presence of either of these chemicals can cause corrosion of the boiler tubes. The failure of any process equipment such as heat exchangers and pumps is normally a source for ingress of oils and process chemicals into the condensate system. Once the condensate system is contaminated, there is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270005
EISBN: 978-1-62708-301-0
... forces, whether they are by monotonic or repetitive loads. All service failures can ultimately be attributed to defects of various types, introduced mostly inadvertently in the various stages of manufacture of the component. In the following section, some potential causes of service failures are given...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... characteristics of various metals and materials systems, and the subsequent corrosion response. corrosive environments atmospheric environments underground environments water environments acidic environments alkaline environments corrosion characteristics corrosion response pH temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
...-ambient pressure. This makes oxygen contamination through leaking pump seals, casing and process vents, open hatches, open handling (as in mud pits during drilling, trucking, and so on), and in seawater-injection systems highly likely. Also, failure of oxygen-removal processes (gas stripping and chemical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
..., or the user-certification system. Thus, it is important to avoid using the term failed part until one has truly determined that the part was the problem. Often, one of the important goals in a failure analysis of a heat treated part is to determine whether the damage is the result of improper...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780131
EISBN: 978-1-62708-268-6
... excess pressure in areas where the liquid or gas migrates. Leaks can induce failure to function or inadvertent function in hydraulic or pneumatic logic mechanisms. Leaks can result in a loss of pressure in backup systems. Leaks can result in gas or liquid mixing where none is allowed. Leaks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030235
EISBN: 978-1-62708-282-2
... Abstract This chapter focuses on various factors to be considered at design stage to minimize corrosion. It begins by providing information on design considerations and general corrosion awareness. This is followed by a description of several factors influencing materials-component failure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... code marking system on each casting for lot traceability. The supplier shall notify the customer of any release test failure of the product, stopping of the shipments, and any potential for suspect lots inadvertently shipped. The supplier resumes shipments only after identification of the root...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... spectrometry. The principles of surface analysis and some of the applications of the technique in polymer failure studies are also provided. Auger electron spectroscopy X-ray photoelectron spectroscopy time-of-flight secondary ion mass spectrometry surface characterization polymers MANY...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... for lifeboats Warning systems established for icebergs Molasses tank failures 1919, 1973 Brittle fracture of the tank as a result of poor ductility and higher loads Design codes for storage tanks developed Consideration given to causes for brittle fracture Tacoma bridge failure 1940...