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root cause 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 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
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
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 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: 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...
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: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
... and the surrounding environment are essential in determining the root cause of a failure. This article reviews the basic photographic principles and techniques that are applied to failure analysis, both in the field and in the laboratory. It discusses the processes involved in visual examination, field photographic...
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...
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
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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0006548
EISBN: 978-1-62708-180-1
... polytetrafluoroethylene PU polyurethane PVC polyvinyl chloride PVD physical vapor deposition PWHT postweld heat treated q notch sensitivity Q activation energy r notch radius R Rankine constant R radius of curvature Ra average roughness RA reduction in area RCA root-cause analysis RCF rolling-contact fatigue RCM...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
... Abstract Failure analysis is an investigative process that uses visual observations of features present on a failed component fracture surface combined with component and environmental conditions to determine the root cause of a failure. The primary means of recording the conditions...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... and is commonly computed by classical design or limit analysis. This article discusses the common aspects of failure by distortion with suitable examples. Analysis of a distortion failure often must be thorough and rigorous to determine the root cause of failure and to specify proper corrective action...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005676
EISBN: 978-1-62708-198-6
... and prevention. Failure analysis and prevention processes to determine the root cause of failures that arise at different stages of the product life cycle are reviewed. The article describes the mechanisms of plastic product failure analysis. It discusses the trends in the use of medical polymers, such as high...