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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
... be challenging when results from various tests seem contradictory or inconclusive. Regardless, conclusions must eventually be drawn from the data. This article discusses the processes involved in reviewing data, formulating conclusions, failure analysis report preparation and writing, and providing...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
... analysis, X-ray techniques, and simulations. It also describes the steps for analyzing the data, preparing the report, preservation of evidence, and follow-up on recommendations. background data assembling chemical analysis electron microprobe analysis electron microscopy failure analysis...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001773
EISBN: 978-1-62708-241-9
... from spiral element Visual Metallurgical SCC is a form of corrosion that produces cracks (and eventual fractures) in susceptible metals when component parts made from the susceptible material are subjected to a tensile stress and certain corrosive environments [ 2 ]. A report prepared...
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
... and description of components being photographed. The field documentation is beneficial ultimately in the laboratory failure analysis as well as in report preparation and other communications. It is helpful to have component illustration manuals present during the field documentation process to establish proper...
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
... have also shown this to be true. 6 , 8 , 13 A recent summary report on studies of accelerator components has been prepared. 14 It is far less expensive to analyze used components relative to a staged irradiation program such as the one sponsored by APT. Also, other than a somewhat limited...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... the evidence and formulate conclusions. This requires writing a report with follow-up recommendations on preventing future failures. The goal of every failure analyst is to determine not only the failure mechanism but also the root cause, which may be related to misuse, poor maintenance practices, or improper...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001660
EISBN: 978-1-62708-236-5
... relatively inexpensive and the failed parts were easily replaced. However, when the frequency of the failures demonstrated a marked increase, greater emphasis was placed on providing a detailed understanding of the problem. This paper reports and discusses the results of a failure analysis directed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
... International Congress on Metallic Corrosion, Vol. IV , Trans Tech Publications , USA , p. 3533 ( 1987 ). 20. Wagner H. J. and Hall A. M. , The Physical Metallurgy of Colbalt-Base Superalloys , DMIC Report 171, Defense Metals Information Center, Battelle Memorial Institute , Columbus...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001655
EISBN: 978-1-62708-220-4
... drained and filled with nitric acid in preparation for service. Three weeks later the two acid tanks were found to be leaking from the bottom. Samples from the spent solvent tank revealed that pitting was located in a depressed area near a suction hole, beneath a black residue. It was concluded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
.... : Metallographic Evaluation of Type 430 Stainless Steel Economizer Tube/Header Weld Samples , Lab Test Report prepared by FTI Anamet Inc. , Hayward, CA , 2000 . 13. Anon. : “ ASME B&PV Code Section VIII, Division 1, Rules for Construction of Pressure Vessels ,” American Society of Mechanical Engineers...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001661
EISBN: 978-1-62708-229-7
... of the cracks. The NDT inspections, evaluations, method of field metallography, analysis and conclusions are discussed with recommendations for corrective actions in the following report. Cracking (fracturing) Electric power generation Field metallography Plates (structural members) Welded joints...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001722
EISBN: 978-1-62708-236-5
... Crankshafts Pins Stress concentration Heat-treated steels Fatigue fracture On page 165 of Volume II of this series of Reports a case was reported of the failure by fatigue cracking of two chromium-plated Diesel-engine crankshafts. Another case of failure from a similar cause has since been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001696
EISBN: 978-1-62708-234-1
... the use of an alternate, more corrosion resistant material (such as 904L stainless steel) to abate the probability of future failures. Since the recommendations were implemented, no additional failure of similar components has been reported. This document was prepared under the sponsorship...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... documentation process to make sketches and record the name and description of components to assist in the laboratory failure analysis process as well as in report preparation and other communications. It is helpful to have component manuals present during the field documentation process, so that proper...
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
... fractographic evaluation was useful to those involved. Guidelines on the preparation of a protocol for a failure analysis may vary. For a part investigation, it may be a simple checklist ( Fig. 1 ) that is included in a client report. In larger investigations, other methods may be considered to help plan...
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
... specified, and confirming documents from the panel supplier were found. Further, the Navy specification required the panels to meet a minimum fire retardancy standard. Based on this documentation, the chemical analysis, and consultation with the wood products industry, a preliminary report was prepared...
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
... and results have been reported to the customer. This article describes general considerations for bulk and microscale chemical analysis, the most effective techniques to use for organic or inorganic materials, and examples of using these techniques. For a more detailed description of these techniques...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
... missile case. Questions arose as to how the softening occurred and whether or not it had contributed to the failures. This report contains the results of a study which resolved that inner wall softening could not have been present in the failed missile cases. Missile cases Proof testing Softening...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001659
EISBN: 978-1-62708-231-0
... Acknowledgments References References 1. Mack G. A. et al. , “Statistical Analysis of Burlington Northern and Atchison, Topeka and Santa Fe Rail Failures,” Task 5 Final Report to the Department of Transportation from Battelle-Columbus Laboratories, Contract No. DOT TSC-1708 (June 8, 1982...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001171
EISBN: 978-1-62708-219-8
... added to these basic defects. The present article is just a practical case of this type, where some defective weldings are added to the improper choice of a stainless steel for water pipeline. Comparing the results obtained by different investigations reported in the literature it can...