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post-construction monitoring

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
... to fracture (glassy polymers). This article provides an overview of historical development of fracture behavior in polymers. It discusses the processes involved in three fracture test methods for polymers, namely linear elastic fracture mechanics, elastic-plastic fracture mechanics, and post-yield fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001669
EISBN: 978-1-62708-229-7
... that showed no visible distress for detailed metallographic examination. Boat specimens also were removed from the header body for post-exposure creep-rupture testing. Results and Discussion On-Site Examination The general appearance of the cracking visible at the surface of the weld is documented...
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
... Beam steering and focusing of phased array system. Examples of an 8-element grouping with 8-element step (4 groups). (a) All element groups are pulsed at the same time, which creates an angled linear wavefront. (b) Focal laws can be constructed to focus the wavefront to a specific point in the material...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
... pipe across the tank from the inlet. The vapor then passes through a demister, a condenser, and a steam reheater. All vapors exhaust through an outlet HEPA filter, manual damper, and ventilation fan. A sample of the exhaust vapor is normally taken by a continuous air monitor (CAM) or by a portable air...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... opportunities to improve operating processes and procedures related to the management of system integrity. Industry experience with corrosion-resistant alloys of steel, copper, and aluminum is reviewed. The article ends with a discussion on monitoring and preventing microbiologically influenced corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... the degradation of various protective systems, such as corrosion inhibitors and lubricants. The article describes the failure analysis of steel, iron, copper, aluminum, and their alloys. It also discusses the probes available to monitor conditions relevant to MIC in industrial systems and the sampling...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
..., which is the monitoring of welder and equipment performance and of the quality of the consumables and the base materials used Acceptance or rejection of a weld on the basis of its fitness for purpose under the service conditions imposed on the structure, and typically governed by a construction code...
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
... or products, include the size and shape of a product, as well as the materials of construction and the manufacturing techniques used. The manner in which individual components are assembled into and integrate with the product as a whole describes the fit of components. The function of a product or system...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
.... A review of failure evidence against new construction codes may reveal design flaws that contributed to the failure. Internal written procedures designed to meet the mechanical integrity requirements of OSHA 1910.119 and other regulatory requirements should be followed. Examples of mechanical integrity...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... was developed to overcome the slippage problem encountered with inclined roller conveyors when plastic trays superseded the cardboard trays used in earlier facilities. The general contractor had prepared a voluminous design specification for the post office. This was to apply to all facilities, but for each...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... roughness on the same specimen. The stress was then measured in the three regions via XRD techniques under independently monitored tensile loads. X-ray diffraction results were plotted versus the applied stress for locations where the average roughness ( R a ) was 1, 3, and 6 μm (1 μm = 39.4 μin...
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
.... For example, a steel specimen was machined in three regions, each with different machine tools, to introduce variations in surface roughness on the same specimen ( Ref 35 ). The stress was then measured in the three regions via XRD techniques under independently monitored tensile loads. X-ray diffraction...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006811
EISBN: 978-1-62708-329-4
... rhythm in the patient. The ICD was originally pioneered in the 1960s by Mirowski and Morton, with the first human implantation of an ICD occurring in 1980 ( Ref 50 ). Current ICDs are minimally invasive and provide more overall cardiac disease management with remote monitoring capabilities, allowing...
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
... reviews fatigue assessment methods incorporated in international design and post construction codes and standards, with special emphasis on evaluating welds. Specifically, the stress-life approach, the strain-life approach, and the fracture mechanics (crack growth) approach are described. An overview...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... is performed on a standard good material for comparison. Thermogravimetric analysis (TGA) is a method in which the weight of the sample is monitored as the sample is progressively heated. The components of a polymer decompose at different temperatures, creating a series of weight-loss steps in the TGA...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
..., 2.7% Mo, 1.7% Ti). The cracks were found at the base of multiple outer posts (fir trees), which retain the turbine blades ( Fig. 3a ). The cracks ran parallel to the serrations and penetrated up to ~6.4 mm (¼ in.) into the disc posts. Fig. 3 Cracked fifth-stage turbine disc fir tree...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
..., if not properly applied, they can have a detrimental effect on fatigue life. In many cases Haigh or constant-life diagrams are simply constructs, using the Goodman representation as a means of approximating actual response through the model of the behavior. For materials that do not have a fatigue limit...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... characteristics for time-dependent polarization, a series of specimens are used, each held to one of a series of constant potentials with a potentiostat while the current required is monitored as a function of time. After the current has stabilized or after a preselected time period has elapsed, the current...