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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
... be a physical, mathematical, or logical representation of a physical system or process. accident reconstruction failure analysis modeling FAILURE ANALYSIS is generally defined as the investigation and analysis of parts or structures that have failed or appeared to have failed to perform...
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.a0006803
EISBN: 978-1-62708-329-4
... structural methods are the most widely used for estimating probabilities of failure. In these methods, the random variables are represented with distributions and sampled to be run into usually deterministic (and hopefully state-of-the-art) physical models. These methods originated from the development...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
...Typical physical properties and working conditions of the failed steady clamps Table 1 Typical physical properties and working conditions of the failed steady clamps Typical physical properties Working conditions Item Value Item Value Density 8.80 g/cm 3 Working load 3.0...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
.... Black colonies are iron carbides distributed in white ferrite matrix Fig. 9 Model of the 6 × 36 wire rope Fig. 11 The finite element model of the wire rope and sheave Fig. 12 Two-step finite elements analysis Fig. 13 The maximum principal stresses of the wire rope...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001588
EISBN: 978-1-62708-221-1
... as to the circumstances, causes, and origins of this failure. FaAA evaluated relevant documentation and all physical evidence. Witnesses, staff, and consultants were interviewed regarding the design and manufacturing of the truss, as well as operation, controls, and maintenance. In order to reconstruct the collapse...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... materials, and selection and training of people ( Ref 3 ). Conceptual Design The first stage of design is to determine the physical concept by which the product will function. This includes the physical principles by which the product will work and an abstract physical model that will employ...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... and surface roughness, and also the prediction of LDI erosion based on the empirical erosion model. As the literature survey shows, the physical mechanism of erosion damage is thoroughly understood and is applicable to the prediction of power-plant pipelines; however, research is still needed to improve...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
.... This article provides a general view on the applicability of finite-element modeling in conducting analyses of failed components. It highlights the uses of finite-element modeling in the area of failure analysis and design, with emphasis on structural analysis. The discussion covers the general development...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... physical relationships of equilibrium/strain compatibility and material constitutive behavior/boundary conditions be satisfied. Classical theory of elasticity ( Ref 1 , 2 , 3 ) involves developing complex differential equations to satisfy these requirements, but such an approach is practical only...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001021
EISBN: 978-1-62708-214-3
... the presence of similar cracking in many aircraft. Specimen Selection The particular crack examined was selected because it appeared to be the best preserved following the crash. Visual Examination of General Physical Features The bolt hole in which cracking was discovered was located...
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 Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... ( a ), dot mapping of titanium ( b ), and dot mapping of niobium ( b ) Fig. 15 Theoretic curves (Ashby–Verrall model) of logarithm of yield stress/shear modulus versus logarithm of strain rate considering different grain sizes as well as for the steel investigated ( dashed line ) Fig. 14...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001308
EISBN: 978-1-62708-215-0
... requires model orientation adjustment. This is accomplished by rotating the carriages that support the test section floor, the model support, and the model around a turntable rail (see Figure 1 ). Fig. 1 Wind tunnel model orientation adjustment system, showing model support, test section floor...
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
... levels, followed by a discussion on the role of failure analysis and the appreciation of quality assurance and user expectations. Systematic analysis of equipment failures reveals physical root causes that fall into one of four fundamental categories: design, manufacturing/installation, service...
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
.... An understanding of the solder alloys is helpful to determine the root cause of solder failure ( Ref 1 ). Characteristics of Solder Alloys and Corresponding Intermetallic Compounds Melting Point The physical properties of solder alloys predominantly depend on chemical composition. In principle, solder...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... materials, and selection and training of people ( Ref 3 ). Conceptual Design The first stage of design is to determine the physical concept by which the product will function. This includes the physical principles by which the product will work and an abstract physical model that will employ...
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
... Abstract Reliability-centered maintenance (RCM) is a systematic methodology for preventing failures. This article begins by discussing the history of RCM and uses Society of Automotive Engineers (SAE) all-industry standard JA1011 as its model to describe the key characteristics of an RCM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... programs, enhanced analytical modeling and prediction techniques, accurate life assessment methods, and a fortified commitment to avoid the recurrence of these failures through improved designs. The examples cited in Table 1 were serious and often tragic failures that had a great impact on structural...