1-20 of 123 Search Results for

intermittent system failure

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780001
EISBN: 978-1-62708-268-6
... Abstract This chapter focuses on what can cause a system to fail and addresses the challenge in approaching a system failure. It then examines the steps involved in the four-step problem-solving process: defining the problem, identifying all potential failure causes and evaluating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110485
EISBN: 978-1-62708-247-1
... technologies, the monitoring of manufacturing processes, and the failure analysis of nanoscale semiconductor devices. atomic force microscopy failure analysis magnetic force microscopy nanoscale semiconductor device process monitoring scanning capacitance microscopy scanning Kelvin probe microscopy...
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 different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780067
EISBN: 978-1-62708-268-6
... failure cause induced the system failure being analyzed, as shown in Table 8.1 . The following guidelines are effective when assigning actions to evaluate each hypothesized failure cause: The failure analysis team discusses each hypothesized failure cause fully and focuses on defining actions...
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 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110513
EISBN: 978-1-62708-247-1
... qualification testing, caused the failure. Numerous such cases presented the opportunity to examine them in depth and to include system-based analysis and failure anamnesis in root cause evaluations. This article includes some illustrative examples and concludes with general principles on how to proceed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... seriousness of the failure. Information about the type of environment to which the failed part was exposed is of primary concern. The corrosion behavior of the part is affected by both local and upstream chemical composition in the system, by whether exposure to the environment is continuous or intermittent...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780171
EISBN: 978-1-62708-268-6
... attempted numerous design modifications related to the clamp and the blade, but none of these modifications fixed the intermittent failures to cut and clamp the hose. The aerial refueling system manufacturer assigned a failure analysis team to investigate and correct the guillotine problems. The failure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630023
EISBN: 978-1-62708-270-9
...’ theory applies: fracture will originate wherever the local stress first exceeds the local strength.” In this sense, local means any micro area within the metal where stress exceeds strength. The failure analyst must be able to understand—actually visualize—the principal stress system that acted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110010
EISBN: 978-1-62708-247-1
.... Electrical Verification As tester contact issues and intermittency are very common, the failing electrical signature must be confirmed in the lab, even for the “simple” opens and shorts associated with package failures. IV curves should be collected as they provide much more insight into what is wrong...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110244
EISBN: 978-1-62708-247-1
... This article discusses the state-of-the-art in commercially available Laser Voltage Probing (LVP) technology for the purpose of integrated-circuit failure analysis. An overview of LVP history, theory, system architecture, and application extensions will be reviewed. Current limitations and future work...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... resistant system. Accessibility for Future Repair If future repair will be difficult or expensive, a longer-life coating system should be specified. Consequences of Coating Failure If a coating failure will be disastrous, such as in tanks holding highly corrosive chemicals or in nuclear power...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
... Abstract This chapter provides guidelines and insights on the selection of materials, coatings, and treatments for friction and wear applications. It begins with a review of the system nature of tribological effects, the subtleties of friction, and the selection idiosyncrasies of the material...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... composition. It has been widely documented that certain ions are detrimental to specific alloy systems. In most cases, increasing the specific ion concentration will increase the cracking tendency and decrease the time to failure. It should also be noted that the responsible ion may be present in very low...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050293
EISBN: 978-1-62708-311-9
... across the flux concentrator as it degrades. The coil should be repaired or replaced. Overheating: Overheating can result in coil failure if insufficient cooling water is flowing through the coil. Water flow can be reduced by cooling system problems, or leaks can occur for any reason. Flux...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930141
EISBN: 978-1-62708-359-1
.... The article then presents experimental data that show the effect of weldment geometry on fatigue resistance. Several useful geometry classification systems are compared. Finally, a computer model is employed to investigate the behavior of two hypothetical weldments: a discontinuity-containing ("Nominal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110563
EISBN: 978-1-62708-247-1
... Abstract This chapter discusses the various failure analysis techniques for microelectromechanical systems (MEMS), focusing on conventional semiconductor manufacturing processes and materials. The discussion begins with a section describing the advances in integration and packaging technologies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780153
EISBN: 978-1-62708-281-5
... in loss of mechanical properties (embrittlement, loss of impact strength, flexibility, and elongation) and loss of electrical properties. Discoloration, cracking, chalking, loss of gloss, and flaking can occur. Cyclic exposure can result in mechanical fatigue failure and cracking due to alternating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... system used a mineral oil without antiscuff additives with ISO 100 viscosity. After about 250 h of operation, two gearboxes failed by bending fatigue. The gear tooth profiles were so badly worn that determining the primary failure mode was impossible. Three other gearboxes with less service were selected...