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eddy current inspection model

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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
..., and the common methods of detecting surface discontinuities by magnetic-particle inspection, liquid penetrant inspection, and eddy-current testing. The major NDE methods for internal (volumetric) inspection in failure analysis also are described. eddy-current testing liquid penetrant inspection magnetic...
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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003516
EISBN: 978-1-62708-180-1
... that on aircraft metallic components eddy current, ultrasonic, x-ray, dye-penetrant, and visual inspections are regularly accomplished. Fatigue Crack Growth Variables The fundamental variables involved in any life assessment are those that describe the effects and interaction of material behavior, geometry...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
...: magnetic-particle inspection of ferrous metals, liquid-penetrant inspection, ultrasonic inspection, and sometimes eddy-current inspection. All these tests are used to detect surface cracks and discontinuities. Radiography is used mainly for internal examination. A photographic record of the results...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001707
EISBN: 978-1-62708-217-4
... inspection (LPI) was not able to reveal these cracks. However, eddy current inspection did detect the existence of large cracks which coincided with the indications found by MPI. Some internal cracks, which were not detected by MPI, were subsequently found during metallographic examination. MPI of the other...
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
... B. , Swindeman M. , Carte M. , and Browning J. , “ High Temperature Hydrogen Attack Life Assessment Modeling and Inspection ,” Corrosion 2019 ( Nashville, TN ), NACE International , 2019 58. Nugent M. , Silfies T. , Kowalski P. , and Sutton N. , “ Recent...
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 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...
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
... Determining the Life-Limiting Mechanism Determining the Rate of Crack Growth or Time for Degradation Determining the Operation History Validation of Life Assessment Models Nondestructive inspection methodologies were and still are used for quality control of structures and components...
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
... been 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...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... Recommendations Effects of Auxiliary Manufacturing Procedures Effects of Inspection Procedures Causes of Failures in Heat Exchangers Heat-Transfer Surfaces Examination of Failed Parts Corrosion Corrosion Fatigue Fracture Appearance Thermal Stresses Mechanical Stresses Effects...
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
..., additional nondestructive testing may prove useful. Magnetic particle examination, penetrant examination, eddy current testing, and ultrasonic testing are a few techniques that can be employed to explore the quality and condition of the failure and material. Microscopic Examination As noted previously...
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
... 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 or rejection in new construction inspection...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... environments at tensile stresses well below the yield strength of the metal. The failures often take the form of fine cracks that penetrate deeply into the metal, with little or no evidence of corrosion on the nearby surface or distortion of the surrounding structure. Therefore during casual inspection...
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
...: melting point, glass transition Adapted from Ref 17 Fig. 26 Impressed-current cathodic protection of a buried pipeline using graphite anodes. Source: Ref 13 Fig. 24 Examples of how design and assembly can affect localized corrosion by creating crevices and traps where corrosive...
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
... of failure. This may be relatively straightforward or difficult, depending on the type of component and/or structure in question. Generally, the point of origin of a crack can be easily located on a given component with standard nondestructive evaluation techniques (i.e., visual inspection, eddy current...
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
..., depending on the type of component and/or structure in question. Generally, the point of origin of a crack can be easily located on a given component with standard nondestructive evaluation techniques (i.e., visual inspection, eddy current, fluorescent dye penetrant, ultrasonic, etc.). In more complicated...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... , 1992 , p 339 – 386 10.1016/0308-0161(92)90121-U 24. Metzger M. and Seifert T. , A Mechanism-Based Model of LCF/HCF and TMF/HCF Life Prediction: Multiaxial Formulation, Finite-Element Implementation and Application to Cast Iron , Tech. Mech. , Vol 32 , 2012 , p 435 – 445 25...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... and extend from the surface (often initiating from a fillet or tool mark) toward the center of the component. The margins of the crack may have scale present if the part was tempered after quenching. The cracks are open to the surface and may be detected by magnetic-particle, ultrasonic or eddy-current...