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ultrasonic reliability model

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001841
EISBN: 978-1-62708-241-9
... of reliability. If small cracks are induced in these devices, it is challenging at best to detect these defects unless the devices are subjected to stresses and thorough inspection prior to the final manufacturing step. As a result, incipient ultrasonic cleaning-induced cracks can remain undetected in finished...
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. Common Measurement Techniques Many measurement techniques are employed in NDE. Those most widely used are visual, liquid penetrant, magnetic particle, eddy current, ultrasonic, and radiographic...
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
... composites , Measurement , Vol 138 , 2019 , p 175 – 181 10.1016/j.measurement.2019.02.002 25. Elsheikh A.H. , Abd Elaziz M. , and Vendan A. , Modeling ultrasonic welding of polymers using an optimized artificial intelligence model using a gradient-based optimizer , Welding...
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
.... References References 1. “Evaluation of the Ultrasonic Data Recording and Processing System (UDRPS),” EPRI Report NP-4397, Electric Power Research Institute, Jan 1986 . 2. “Evaluation of the Commercial Machine Works Boresonic System,” EPRI Report NP-5948, Electric Power Research Institute...
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
.... Although single-element transducers have been used for several decades, such inspections are increasingly commonly performed with equipment that uses a phased array. The ultrasonic NDT landscape also has been further advanced by the increased availability of modeling ( Ref 23 ). The article “Ultrasonic...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001071
EISBN: 978-1-62708-214-3
...×. Fig. 16 X-ray diffraction results from sulfate deposits. Fig. 17 Finite-element models. (a)“As built” flange-to-valve body juncture with bolt load from torqued studs (in increments of approximately 91 70 kPa, or 133- psi). (b)“Corroded at fracture” flange-to-valve body juncture with bolt...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
.... In addition, engineers and managers responsible for maintaining safe, reliable, and cost-effective processing facilities are often faced with corroded equipment that must be assessed to evaluate its serviceability. Since 2007, the oil and gas industry has been using American Petroleum Institute (API) 579-1...
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.a0003512
EISBN: 978-1-62708-180-1
... structural components structural design LIFE ASSESSMENT of structural components is used to avoid catastrophic failures and to maintain safe and reliable functioning of equipment. The articles in the “Structural Life Assessment Methods” Section in this Volume are written to provide an overview...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... Abstract Life assessment of structural components is used to avoid catastrophic failures and to maintain safe and reliable functioning of equipment. The failure investigator's input is essential for the meaningful life assessment of structural components. This article provides an overview...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
... Macrofractography Surface Examination Visual Testing Procedures and Results Non-Destructive Evaluation Radiography Liquid Penetrant Examination Ultrasonic Examination Thickness measured by ultrasonics at the outside radius of the 100° bends was 3.3 to 3.9 mm (0.13 to 0.15 in.). The nominal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... and reliability questions. Life assessment methods for elevated-temperature failure mechanisms and metallurgical instabilities that reduce life or cause loss of function or operating time of high-temperature components are described in this article. The review is intended for the purpose of informing failure...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006809
EISBN: 978-1-62708-329-4
..., should be reliably detected by modern inspection techniques (including surface inspection and ultrasonic inspection techniques). Results Results from the level 3 FFS evaluation were used to establish the envelope of permissible pressure-temperature curves shown in Fig. 10 ; for comparison...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... MANUFACTURING (AM) refers to a group of free-form fabrication technologies that incrementally build up a solid part by computer-controlled deposition of material from a digital solid model. The technology is an outgrowth and broadening of rapid prototyping methods that were developed in the 1980s to accelerate...
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
... with the weld root. Butt-welded joints are more resistant to fatigue-induced damage than socket-welded joints because the annular gap is eliminated. Experience shows the vast majority of socket-welded joints (in excess of 99%) perform reliably, so socket-welded joints will continue to be used at CPSES...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... is measured for unstressed ( d 0 ) and stressed ( d ) conditions, the strain is calculated using the Eq 2 relationship: (Eq 2) ε = ( d − d 0 ) / d 0 When applying a plane-stress model, the unstressed lattice spacing, d 0 , can be substituted with the d -spacing measured...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... components, equipment, and structures has long been a serious safety and reliability concern for countless manufacturing, construction, and transportation industries, including automotive, aerospace, marine, power generation, chemical processing, and oil and gas. Furthermore, fatigue failures have been...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... temperatures. The article describes the stages of the creep curve, discusses processes involved in the extrapolation of creep data, and summarizes notable creep constitutive models and continuum damage mechanics models. It demonstrates the effects of stress relaxation and redistribution on the remaining life...
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
... characteristics of the accidental explosion. By using a P-i diagram, damage indicators can be reduced to pressure-impulse pairs and plotted on pressure-versus-standoff and impulse-versus-standoff curves. These curves can then be compared to blast load prediction models to determine the most likely fit, as shown...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
.... That document is negotiated with inputs from: Specialized engineering departments (including aerodynamics, internal flows, heat transfer, mechanical design, structures, reliability, producibility, safety, repairability, and others) The airframer The intended final customer The marketing...