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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
...Abstract Abstract Chemical analysis is a critical part of any failure investigation. With the right planning and proper analytical equipment, a myriad of information can be obtained from a sample. This article presents a high-level introduction to techniques often used for chemical analysis...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001759
EISBN: 978-1-62708-241-9
... based on testing method decided. Then, next task is to decide action plan for these identified root causes. Various possible causes were identified for bearing cup failure. Following causes were identified as probable causes: Bearing cup alignment not being done properly. Variation...
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
... of a “failure of organization.” Too many failure investigations are started without a clear and concise goal, direction, or plan. Somewhere along the way, the failure investigation gets off track and never achieves its fundamental purpose of discovering root cause. The purpose of this article is to discuss...
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
..., a failure mode assessment chart, and a technical plan for resolution chart, are reviewed. The article briefly describes failure investigation pitfalls and concludes with information on the other common tools used for failure investigation and root cause determination. failure investigation failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001738
EISBN: 978-1-62708-220-4
...Abstract Abstract During a planned shut-down in 1990 it appeared that the bottom manifold parts made of wrought Incoloy 800H had undergone diametrical expansion of up to 2% due to creep. Further, cracking at the outer diam was found. It was decided to replace these parts. Microscopical...
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
... implementation plan. Validate and verify corrective actions: Test corrective actions in pilot study. Measure effectiveness of change. Validate improvements. Verify that problem is corrected and improves customer satisfaction. Standardize: Incorporate the corrective action into the standards...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
... use.) Technical Investigation That Followed In November 1977, an independent consulting firm with specialists in failure analysis was retained by the client to investigate the failure of the panels. Examination of samples of failed panels revealed, as previously observed, that the aluminum...
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
...). Develop corrective actions: List possible solutions to mitigate and prevent recurrence of the problem. Generate alternatives. Develop implementation plan. Validate and verify corrective actions: Test corrective actions in pilot study. Measure effectiveness of change. Validate improvements. Verify...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001720
EISBN: 978-1-62708-227-3
... analysis of the hard biofoul/metal interface area, archival information on original plate and structural material at selected locations and planned core drill sampling to be done at a later date. This paper presents the results of the metallurgical investigation of structural components obtained from...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
... on the inside radius and then moved along the side of the tube until the tube separated in a ductile manner on the outside radius. Fig. 4 Plan view of the second tube failure illustrating a brittle fracture Scanning Electron Microscopy The fracture surface ( Fig. 5 ) shows an intergranular...
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
... metallurgy, polymer physics, solid-state physics, stress analysis, chemistry, and many other fields. Sample toolbox of a failure analyst Table 6 Sample toolbox of a failure analyst Tool Use Mind Structuring, storing, and retrieving knowledge; planning investigation; conducting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001632
EISBN: 978-1-62708-234-1
...-energy proton accelerators now being planned and built should include on-site hot cell facilities capable of analyzing used components. At a minimum, they should include facilities capable of preparing samples for testing at existing hot cell facilities. Acknowledgments This report was made...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001082
EISBN: 978-1-62708-214-3
... water pumps for the power plant. Fig. 1 Cross section of impeller in pump case. Circumstances Leading to Failure During the retirement planning phase of the 8-year-old original circulating water pump impellers made of nickel-aluminum-bronze, newly cast type 304L stainless steel pump...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006803
EISBN: 978-1-62708-329-4
... method, and the most frequently used simulation methods, standard Monte Carlo sampling, Latin hypercube sampling, and discrete probability distribution sampling. Further, the article discusses methods developed to analyze the results of probabilistic methods and covers the use of epistemic and aleatory...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003514
EISBN: 978-1-62708-180-1
... method, the response surface method, and Monte Carlo sampling. A brief introduction to importance sampling, time-variant reliability, system reliability, and risk analysis and target reliabilities is also provided. The article examines the various application problems for which probabilistic analysis...
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
... work. The goal of the proper approach is to allow the most useful and relevant information to be obtained. Readers of the various articles will see many points of view demonstrated. All the valid approaches require planning, defining of objectives, and organization prior to any destructive testing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001097
EISBN: 978-1-62708-214-3
.... This surface condition indicated that the fracture mode was fatigue. Scanning Electron Microscopy/Fractography Transverse cross sections of the broken screws were metallurgically polished. Figure 2 shows the plan view of the surface of a broken screw. Figure 3 is a magnified side view...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... with sample handling to be sure that fragile features are not altered before critical information about the surface is obtained. Specimen collection and storage methods must be planned to prevent the possibility of physical damage or chemical contamination and to ensure that sample integrity is preserved...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... the documentation and analysis work can be done by the investigating team. There is no involvement of a second party. The planning of an investigation, initial documentation of the components in question, sample collection, and analysis all can be performed by the team. Note that it is important to document all...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001596
EISBN: 978-1-62708-225-9
... UNS K08501 Fatigue fracture Background Compressors undergo accelerated reliability life testing to give assurance that reliability goals are met. Part of the evaluation plan for the testing is a start/stop test designed to simulate or accelerate the starting and stopping of the compressor...