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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001732
EISBN: 978-1-62708-218-1
...Abstract Abstract Statistical techniques provide the design engineer with a powerful tool for the analysis of failure data. By means of an actual case study, steps required to design a test yielding statistically meaningful data and procedures used in graphical analysis of results are presented...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... detectability. The event that spurred an updated statistical approach to POD, as described in Ref 3 , was the analysis of a large U.S. Air Force (USAF) study of the capability of inspectors/inspections being performed at USAF depots in the mid-1970s, widely known as the “Have Cracks, Will Travel” study...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
..., demonstrates interactions between implants and the body, provides a basis for the development of biocompatible implant materials, encourages design optimization, and assists medical device research. Statistical analysis shows that 5 to 10% of the 6.2 million implants crack while in service and that many...
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
... by Freudenthal et al. ( Ref 2 ). In light of the practical difficulties in employing a probabilistic-statistical approach to design criteria development, C.A. Cornell ( Ref 3 ) suggested the use of a second-moment format (called mean value first-order second-moment analysis, MVFOSM) and introduced...
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
...-dispersive x-ray analysis along the streak in rail 5-1 (reduced 30% in reproduction). Fig. 10 A side view of the shell crack in rail 5-1 (75×). Fig. 11 Energy-dispersive x-ray analysis inside the crack in the shell in rail 5-1 (reduced one-third in reproduction). Abstract Abstract...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
.... Development of the scanning electron microscope (SEM), and more recently, of powerful digital image analysis equipment, has led to significant advances in quantitative fractography. Numerous quantitative correlations between the material properties such as strength, ductility, toughness, and fatigue life...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001005
EISBN: 978-1-62708-215-0
... Fracture surface of steering arm showing characteristic beach marks Fig. 5 Oxide scale inclusions forged into the inner radius of the steering arm Fig. 2 Fractured steering arm Fig. 6 Weibull analysis of the depth of forged-in oxide scale Fig. 7 Statistical frequency...
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
... and time again, failures occur that prove them wrong. It is in the best interest of each company to keep statistics on failures. As with most databases, computers make this task easier. The type of failure, the material, the root cause, and so on, can all be easily kept in a searchable database...
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
... Abstract This article discusses the organization required at the outset of a failure investigation and provides a methodology with some organizational tools. It focuses on the use of problem-solving tools such as a fault tree analysis combined with critical thinking. The discussion covers nine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... when evaluating the laboratory data to be certain that the conclusions drawn are an accurate assessment of the operating environment. ASTM G 16, “Applying Statistics to Analysis of Corrosion Data” ( Ref 3 ), provides a guide for handling data; it refers to ASTM E 178, “Practice for Dealing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
... 0.22 0.69 0.021 0.022 C1 Casting 0.66 0.46 0.78 0.021 0.015 C2 Casting 0.68 0.45 0.75 0.02 0.02 The statistical distribution of inclusions across the wheel section Table 2 The statistical distribution of inclusions across the wheel section Distance beneath tread...
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 Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001303
EISBN: 978-1-62708-215-0
...Results of chemical analysis Table 1 Results of chemical analysis Element Composition, % Sample from sprocket wheel Aluminum alloy LM6M (A413.0) Silicon 10.99 11.0–13.0 Copper 0.25 0.6 (max) Magnesium 0.10 0.1 (max) Iron 0.52 1.3 (max) Manganese 0.28...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... examination revealed that the observed fractures were mixed brittle intergranular with ductile microvoid dimples. An extensive analysis of failed samples combined with a process of elimination indicated that the fractures were due to stress-corrosion cracking caused by an unidentified chemical species within...
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
... in water treatment companies is a common practice in the Southeast. Seven years following the completion of the mall, corrosion problems were noted at the outer and inner diametral surfaces of the plumbing pipes. The purpose of this analysis was to assess the condition of the plumbing pipes with respect...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... Abstract This paper summarizes several cases of metallurgical failure analysis of surgical implants conducted at the Laboratory of Failure Analysis of IPT, in Brazil. Investigation revealed that most of the samples were not in accordance with ISO standards and presented evidence of corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001504
EISBN: 978-1-62708-217-4
... mechanisms, the role of material selection, and examples where fracture mechanics analyses provided insight into the failure. The failure analysis findings were statistically analyzed to provide a distribution of the failure mechanisms as a function of materials. As well, the mechanisms were correlated...
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
... modes and effects analysis (FMEA), and therefore, the article explains the approach of RCM to FMEA and the failure management policies available under RCM. It reviews the ways that RCM classifies failure effects in terms of consequences and details how RCM uses failure consequences to identify the best...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... Handlingar , Vol 196 , 1947 , p 50 8. Lundberg G. and Palmgren A. , Dynamic Capacity of Rolling Bearings , Acta Polytech. Mech. Eng. Ser. , Vol 2 ( No. 4 ), 1952 9. Harris T.A. and Kotzalas M.N. , Advanced Concepts of Bearing Technology: Rolling Bearing Analysis...