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reliability factor

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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
... components to design for appropriate levels of safety. Computational resources are becoming less of an impediment through enhancements in computational algorithms and computer efficiency. Factor of safety approaches may not give the desired reliability or may lead to overdesigned structures...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... to understand how safe and reliable that equipment or structure might be over this additional time of service. References 1. “Standard Terminology for Nondestructive Examinations, Metals Test Methods and Analytical Procedures,” E 1316–00a, Annual Book of ASTM Standards Vol 3.03...
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
... was marginal even for springs with acceptable surface texture. The model was then used to predict the fatigue life requirements on the bench test such that the reliability goals for the start/stop testing would be met, thus reducing the risk in qualifying the compressor. Linear damage theory ASTM A228...
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
... techniques. One of the key factors in properly performing a failure analysis is keeping an open mind while examining and analyzing the evidence to foster a clear, unbiased perspective of the failure. Collaboration with experts in other disciplines is required in certain circumstances to integrate...
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
... on the processes involved in RCA and the charting methods that may be useful in RCA and ends with a description of various factors associated with failure prevention. corrosion distortion failure prevention fracture quality assurance root cause analysis wear MACHINES, COMPONENTS, and the materials...
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
... Abstract This article provides an overview of the structural design process and discusses the life-limiting factors, including material defects, fabrication practices, and stress. It details the role of a failure investigator in performing nondestructive inspection. The article provides...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
..., the quality of field fabricated socket-welded joints has improved. Welding workmanship factors that can improve the overall reliability of joints in small-bore pipe include the following: Cracks that initiate at the weld root propagate through the weld to the pressure boundary. Fatigue damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001432
EISBN: 978-1-62708-221-1
..., full confidence is to be placed in the welded joint and its reliability must be beyond question, it is necessary to give adequate consideration to all the relevant factors, e.g., weldability of the base material, shape of the weld preparation and the welding procedure which involves choice...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... and effects analysis fault analysis fault equivalence probability of failure product development cycle FAILURE MODES AND EFFECTS ANALYSIS (FMEA) has evolved into a powerful tool that can be used by design engineers during all phases of product development to enhance product safety and reliability...
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
... Abstract Reliability-centered maintenance (RCM) is a systematic methodology for preventing failures. This article discusses the history of RCM and describes the key characteristics of an RCM process, which involves asking seven questions. The first four questions comprise a form of failure...
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
... with discussion about the concept of the probability of detection (POD), on which the statistical reliability of crack detection is based. The coverage includes the various methods of surface inspection, including visual-examination tools, scanning technology in dimensional metrology, and the common methods...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... the human factors viewpoint and details the preventive measures of the defects, with examples. It presents four paramount questions relating to the probability of injury which are asked even when one executes all possible preventive measures carefully and thoroughly. human factor manufacturing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001079
EISBN: 978-1-62708-214-3
... on estimated stresses and material properties showed that the turbine rotor had numerous potential harmful flaws and that it was unfit for continued reliable operation. State of-the-art finite-element and fracture mechanics techniques were utilized to more accurately assess the material properties, operating...
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
... to carry 20% more cargo; a railroad bridge must span a river; a replacement knee joint or a handheld computer are needed. Inherent in any design are other limitations and considerations such as cost, ease of fabrication, weight, size, safety, and reliability, all of which factor into the final design...
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
... design process, even during the early stages of design. Fig. 1 Interrelated factors involved in the design process. Source: Ref 1 Materials selection and design are also closely related to the objectives of failure analysis and prevention. These processes are inextricably intertwined...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
.... , Fahr A. , Koul A.K. , Gould G. , and Stoute P. , “The Reliability and Sensitivity of NDI Techniques in Detecing LCF Cracks in Fastener Bolt Holes of Compressor Discs,” Report LTR-ST-1651, National Research Council of Canada, Feb 1988 . 4. Koul A.K. , Bellinger N.C...
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
... design are other limitations and considerations, such as cost, ease of fabrication, weight, size, safety, and reliability, all of which factor into the final design. Achieving the overall design requirements involves the design and specification of many individual parts and components. The exact...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... (Design Assessment of Reliability With INspection), has been developed under FAA funding that is specifically tailored to perform a probabilistic analysis of titanium rotors subject to HA ( Ref 6 ). DARWIN integrates finite-element stress analysis, fracture mechanics analysis, nondestructive inspection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001430
EISBN: 978-1-62708-236-5
.../asm.hb.v11.a0003544 It is true to say that the construction of engineering plant — vessels, structures and components — has been revolutionised by the science and technology of welding. Where, however, full confidence is to be placed in the welded joint and its reliability must be beyond question...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090277
EISBN: 978-1-62708-229-7
... classical techniques and code calculations. These calculations were designed to provide adequate factors of safety under the expected operating conditions by determining minimum tube wall thickness. It is unlikely that FEA, which was in its infancy at that time, was utilized in U-tube analyses...