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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001699
EISBN: 978-1-62708-234-1
... to corrosion damage, from the data gathered, ascertain the overall condition of the pipes in the system, and, estimate the remaining life of the system. Visual observations on the inner diametral surfaces of the sampled pipes revealed that the pipes were in almost all cases filled with corrosion products...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001830
EISBN: 978-1-62708-241-9
...× Fig. 10 Dimples in fracture surface. 2000× Discussion Based on the data gathered, because the accident occurred after 95,000 operation hours of the system and taking into account the permissible operating hours of 100,000 for the marriage bolt, it was concluded that the cause...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001054
EISBN: 978-1-62708-214-3
... of air saturated with water. From the data gathered in the tests, it was concluded that the uranium/silver solid-state bonded interface was susceptible to stress-corrosion failure by water vapor because of the: Shorter fracture times when the test was conducted in air saturated with water vapor...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... suited when a cross-functional team is available to perform the analysis, thereby gathering information from other perspectives, specifically those involved in minute portions of the product production cycle. Further information can be obtained from such sources as product testing, quality control data...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... than a large-scale accident. The approach presented is that the analysis and reconstruction is based on the physical evidence. The article provides a brief review of some general concepts on the use and limitations of advanced data acquisition tools and computer modeling. Legal implications...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... (if present), and soil samples. Following transport of the incident pipe sections to a laboratory, pipeline failure analysis investigations generally adhere to a procedure or protocol agreed upon by all involved parties. Investigations typically begin with an information- and data-gathering step, which...
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
... pertinent information gathered from testing and analysis, and logically and accurately interpret and explain data and results. A report enables the reader to follow the investigator’s thought processes during the analysis, documenting and explaining the course of the investigation. It can be written...
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
... costly problems first. Statistics can provide this direction. In addition, statistics can point to trends over time. Lastly, comparison of company statistics to industrial data may indicate if a problem is company specific or industry-wide. However, the failure analyst must consider one caution...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... to detection and characterization. There is a need to further advance the science of ultrasonic NDE to improve the inspectability of a large variety of material systems and to interpret the inspection results reliably and effectively. This requires the use of automated inspection data gathering techniques...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003504
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006817
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001820
EISBN: 978-1-62708-180-1
... will be described. Characteristics of High-Pressure Long-Distance Pipelines Three general types of pipelines exist: gathering lines, transmission lines, and distribution lines. Gas or crude oil gathering lines exist between a well and a treatment plant or collection point. These are usually relatively small...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
... of the collective pitch control system, showing the thrust bearing set, control tube, and actuator Circumstances Leading to Failure The mishap occurred during a test run in which several data points had been taken and new conditions were being set up. Torque had just been reduced from 21,700 to 13,500 N.m...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006804
EISBN: 978-1-62708-329-4
... out the fire and to make the area safe for access, because these may affect the interpretation of the evidence? Have precautions been implemented to preserve the evidence? Diagrams As soon as possible, begin gathering process data and plot plans. For process equipment this includes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... rope. 2% Nital etch (500×) Failure Analysis Process Preliminary Investigation The preliminary portion of an investigation is of great importance in wire rope analyses, similar to all materials failure investigations. All possible information should be gathered, including the purchased rope...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... Data from monitoring devices Other The type and amount of factual information gathered by the investigator depends on the type of accident. However, the safest approach is to obtain as much information as possible. Although much of the information may not be critical or used in latter stages...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006832
EISBN: 978-1-62708-329-4
... to be excluded. The testing may not lead to a single answer. The available data that are gathered or developed may not be sufficient to exclude all but one cause. However, such efforts still have tremendous value, because knowing what did not happen can be just as important as knowing what did happen. Medical...
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
... are: Analysis of the output of interest and its variation when inputs are changing Selection of the method/model Calibration of the model using one set of data Verification of the calibration using separate data While polynomials are the most frequently used type of response surfaces, other model...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... to gather high-temperature properties data from different sources for H13 die steel and Al-6063 billet. Some assumptions have also been made which may affect life estimation. Apart from other fatigue parameters, it has been found that value of modulus of elasticity, E, and fatigue strength coefficient...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... operations. Precise machining of the cured convergent insulator and matching nozzle shell insures a good bond. Precise bond control was felt necessary to avoid space that might gather pressure. However, several nozzles made this way had bond joint separations as much as 0.080 inches. As a result...