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Book Chapter

By Lesley D. Frame
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
... examination methods based on flaw type and product stage is presented in a table. The article also discusses in-service inspection of tubular products and presents an example that illustrates the importance of nondestructive testing (NDT) for welds in austenitic stainless steel tubing. tubular products...
Image
Published: 01 January 2006
Fig. 8 Equivalent damage years (EDY) for the upper head control rod drive mechanism (CRDM) nozzles of U.S. PWRs in Sept 2002. ISI, in-service inspection. Source: Ref 38 More
Book Chapter

By R.B. Thompson
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
... is used throughout the lifecycle, and includes the inspection of new, aging, and in-service structures and equipment. With the increasing performance demands imposed by the highly competitive economic climate of today, it is often necessary to extend the service life or expectancy. Thus, it is critical...
Book Chapter

Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006479
EISBN: 978-1-62708-190-0
..., nondestructive inspection (NDI), or nondestructive evaluation in the aerospace manufacturing, service, maintenance, and overhaul industries. In 2002, NAS 410 was harmonized with European Norm 4179, so that the requirements in both documents are identical. NAS 999, “Nondestructive Inspection of Advanced...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003658
EISBN: 978-1-62708-182-5
...) tools: microwave NDE and guided wave (GW) ultrasonic NDE methods. The in-service inspection scenario is complicated by the fact that corrosion is often hidden, and expensive disassembly can be required to complete an inspection. Microwave and GW NDE techniques have promise as methods that minimize...
Book Chapter

By Sam McFarland
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004215
EISBN: 978-1-62708-184-9
... industry and governmental bodies, often in response to major plant incidents. A set of inspection requirements at the time of construction and commissioning was generally required by the design codes with some guidance on periodic inspection once in service. These inspection requirements became more...
Book Chapter

By P.J. Schafbuch
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006462
EISBN: 978-1-62708-190-0
... Techniques Nondestructive inspection methods are specified for material and/or component inspection requirements to maintain the necessary quality for the final service life of the material/component. In most industries, the inspection requirements are defined in a specification that describes...
Book Chapter

Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
..., the area is marked and subsequently repaired. To ensure that all bonded areas are inspected and that no water remains trapped in the assembly, it is then radiographed. This is important because water can turn into ice during operational service and rupture the cells, or it can initiate corrosion...
Book Chapter

By John E. McCarty
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003445
EISBN: 978-1-62708-195-5
... fatigue database from testing and in-service monitoring. Although the load level required by the FAA and the DoD varies, both specify residual strength requirements that vary with the flaw damage assumption, ability to inspect damage, type of in-service inspection used, and type of aircraft. The loading...
Book Chapter

By Jorge J. Perdomo, Luis A. Ganhao
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
... Abstract This article describes some of the welding discontinuities and flaws characterized by nondestructive examinations. It focuses on nondestructive inspection methods used in the welding industry. The sources of weld discontinuities and defects as they relate to service failures...
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
... procedures that may apply following a failure include procedures for returning an equipment item to service following a failure, equipment inspection procedures, and fitness-for-service (FFS) assessment procedures. Equipment inspection records should be reviewed for approaching or overdue required internal...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001478
EISBN: 978-1-62708-173-3
... that affect the strength, durability, and suitability of a brazed assembly for service can be divided into three categories: design factors, inspectable factors, and process control factors. Design factors include the proper selection of base materials, filler metals, and brazing process; designing for ease...
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
... on failure and life assessment of components, structural design philosophies, the role of the failure analyst in life assessment, and the role of nondestructive inspection. They also cover fatigue life assessment, elevated-temperature life assessment, fitness-for-service life assessment, brittle fracture...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003239
EISBN: 978-1-62708-199-3
... Abstract Thermal inspection comprises all methods in which heat-sensing devices or substances are used to detect irregular temperatures. Inspection of workpieces can be used to detect flaws and undesirable distribution of heat during service. Though there are several methods of thermal...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006010
EISBN: 978-1-62708-172-6
... practices to help companies increase their quality and productivity. The 14 points, which still are used today (2015), are as follows: Create constancy of purpose for improving products and services. Adopt the new philosophy. Cease dependence on inspection to achieve quality. End the practice...
Book Chapter

By Phillip E. Prueter
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
... properly designed, fitness-for-service methods can be used to determine the current extent of fatigue damage, to realistically estimate remaining fatigue life, and to establish appropriate inspection intervals. Moreover, inspection (nondestructive examination) is a critical aspect of managing the risk...
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
... information on fatigue life assessment, elevated-temperature life assessment, and fitness-for-service life assessment. elevated-temperature life assessment fabrication failure analysis fatigue life assessment fitness-for-service life assessment material defects nondestructive inspection stress...
Image
Published: 01 August 2018
Fig. 19 Smart pipeline inspection gage devices enable internal inspection of in-service line pipe. Such devices can be equipped with odometers, calipers, tilt sensors, magnetic sensors, and ultrasonic transducers to capture information about the condition of the pipe without removing it from More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002381
EISBN: 978-1-62708-193-1
... the cracked structure or component. In the design stage, one still has the options to select a more crack-resistant material or improve the structural design to ensure that cracks will not become dangerous during the projected economic service life. Alternatively, periodic inspections may be scheduled, so...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... Abstract This article briefly reviews the general causes of weldment failures, which may arise from rejection after inspection or failure to pass mechanical testing as well as loss of function in service. It focuses on the general discontinuities observed in welds, and shows how some...