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root cause failure analysis

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Published: 01 January 2005
Fig. 14 Root cause failure analysis logic chart called a Why Tree. This failure examines a corrosion-related failure. More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006827
EISBN: 978-1-62708-329-4
... Abstract Due to the recent requirement of higher integration density, solder joints are getting smaller in electronic product assemblies, which makes the joints more vulnerable to failure. Thus, the root-cause failure analysis for the solder joints becomes important to prevent failure...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006775
EISBN: 978-1-62708-295-2
..., bending, torsion). Finally, the factors influencing the appearance of a fracture surface and various imperfections or stress raisers are described, followed by a root-cause failure analysis case history to illustrate some of these fractography concepts. brittle fracture crack nucleation crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003538
EISBN: 978-1-62708-180-1
... geometric factors and materials aspects that influence the stress-strain behavior and fracture of ductile metals. It highlights fractures arising from manufacturing imperfections and stress raisers. The article presents a root cause failure analysis case history to illustrate some of the fractography...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... Abstract This article briefly introduces the concepts of failure analysis, including root-cause analysis (RCA), and the role of failure analysis as a general engineering tool for enhancing product quality and failure prevention. It initially provides definitions of failure on several different...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... Abstract This article briefly introduces the concepts of failure analysis and root cause analysis (RCA), and the role of failure analysis as a general engineering tool for enhancing product quality and failure prevention. It reviews four fundamental categories of physical root causes, namely...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
... fundamental purpose of discovering root cause. The purpose of this article is to discuss the organization required at the outset of a failure investigation and to provide a methodology with some organizational tools. The main focus is on the problem-solving tool of fault tree analysis. The main point...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... critical thinking failure investigation fault tree analysis root-cause determination ON JANUARY 27, 1967, the crew of the U.S. space mission Apollo I was lost when a fire broke out inside their command module during a simulation run aboard their unfueled Saturn 1B launch vehicle on the launch pad...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... of the story if the failure analysis is intended to prevent future failures or to determine liability. In that case, the discovery net widens further as the root cause of failure is sought. The root cause of failure is the “why” of the failure. The root cause of failure may involve human factors...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003518
EISBN: 978-1-62708-180-1
... analysis today call something a root cause when what they are referring to is a simple physical cause. If failure analysis tasks are performed adequately and with luck, at the end the analyst should be able to take the causes found, show that the failure would have happened the way it did, and also show...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0005695
EISBN: 978-1-62708-180-1
... people to find information on similar problems. Without clear communication and consistent terminology, one cannot know if the problems are really similar. In failure analysis work, it is often not possible to pin down a particular damage sequence or root cause with complete certainty. However...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006798
EISBN: 978-1-62708-295-2
... clear communication and consistent terminology, one cannot know if the problems are really similar. In failure analysis work, it is often not possible to pin down a particular damage sequence or root cause with complete certainty. However, if the work is performed in a professional manner...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006840
EISBN: 978-1-62708-329-4
... people to find information on similar problems. Without clear communication and consistent terminology, one cannot know if the problems are really similar. In failure analysis work, it is often not possible to pin down a particular damage sequence or root cause with complete certainty. However...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003848
EISBN: 978-1-62708-183-2
... of failure analysis are: failure modes and effects analysis (FMEA), physical failure analysis, and root cause failure analysis. Failure modes and effects analysis are used to diagnose the mechanism of failure through experience developed from previous failures. When analyzing a failed part such as an O...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006754
EISBN: 978-1-62708-295-2
... in this article). Other books, such as Ref 1 , can help one learn to recognize incorrect lines of reasoning. The specific levels of failure causes that have been defined by the Failsafe Network include physical, human, latent, and root. Clearly, many involved with failure analysis today (2020) call something...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005346
EISBN: 978-1-62708-187-0
... data that allow for understanding of the problem and ongoing measurement. Using the VSM process at this point provides a comprehensive analysis of each step of the process and the areas where measurement systems are required for root cause determination. At this stage, metrics need to be established...
Image
Published: 30 August 2021
Fig. 18 Comparing the actual with the nominal for eliminating potential root causes at an early stage of the rolling-element bearing failure analysis. Source: Ref 30 More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... not be ignored.” The Purposes of Failure Analyses On the topic of the objective of a failure analysis, Ryder states that a failure investigation and subsequent analysis should determine the primary cause of a failure, and based on the determination, corrective action should be initiated that will prevent...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006043
EISBN: 978-1-62708-172-6
... test coating failures coating thickness failure analysis sampling AN EFFECTIVE AND COMPREHENSIVE ANALYSIS of coating failures greatly relies on effective samples and perceptive observations made during a field examination of the failure. In many cases, the determination of the root cause...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... resources for such a test. Occam's Razor applies order by selecting the simplest explanation for what is being observed. Characterization and Identification of Damage and Damage Mechanisms The ultimate goals in failure investigations are to determine root cause(s) of the failure and corrective...