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indirect visual examination

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Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
... discusses the basic principles of visual inspection in terms of direct visual examination and indirect visual examination as well as advantages and limitations of visual inspection. It reviews the factors affecting the effectiveness of VI as a nondestructive testing (NDT): lighting conditions of observation...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004110
EISBN: 978-1-62708-184-9
..., indirect examinations, direct examination, and post assessment. The ECDA tool selection matrix used to determine the tool choices is also presented. external corrosion direct assessment preassessment indirect examination direct examination post assessment underground pipelines EXTERNAL...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009001
EISBN: 978-1-62708-186-3
... observed during the course of stamping production and after successful continuous production runs for more than 2 years. Some mild zinc buildup was observed on the die surfaces by visual examinations following a couple of thousand continuous hits, as illustrated in Fig. 8 . Evidently, the advanced die...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
.... Pipeline failure analysis investigations typically follow a general process wherein a visual examination is followed by more detailed nondestructive examination and, finally, by destructive analysis and characterization. If possible, a field investigation should be performed soon after the incident...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003790
EISBN: 978-1-62708-177-1
..., and Etching Microstructure of Semisolid- processed Metals and Alloys Future Developments Aluminum Alloys Magnesium Alloys Indirect Semisolid Direct Processes Applications Aluminum Semisolid Microstructures Magnesium Semisolid Microstructures Examination of Defects Examination...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... increment (3.2 to 6.4 mm, or 1 8 to 1 4 in.) allows a visual check of the number of plies and the orientation of each. However, small plies that are fully covered by the next ply cannot be examined by this method. There is no good substitute for frequent in-process inspections...
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
... begins 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...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... guidelines (not comprehensive) Codes, standards, and industry guidelines Ref ASME Boiler and Pressure Vessel Code, Section XI: Rules for Inservice Inspection of Nuclear Power Plant Components 11 ASME Boiler and Pressure Vessel Code, Section V: Nondestructive Examination 12 ASME Boiler...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005594
EISBN: 978-1-62708-174-0
...-Coated Steels Weldability of Steels in Spot Welding Weldability of Aluminum Alloys in Spot Welding Power Supplies Secondary Impedance Visual Examination Criteria for Acceptable Weld Integrity In-Line Destructive Weld Testing In Parallel Welding Series and Push-Pull Welding...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... information on such things as the stress state at the time of failure and the sequence of crack development. When examining the origin, both fracture surfaces should be looked at, because the key visual clue, such as an inclusion, may be on only one of the surfaces. Also, postfracture damage often happens...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003520
EISBN: 978-1-62708-180-1
...Abstract Abstract This article outlines the basic steps to be followed and the range of techniques available for failure analysis, namely, background data assembling, visual examination, microfractography, chemical analysis, metallographic examination, electron microscopy, electron microprobe...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005518
EISBN: 978-1-62708-197-9
... of the structure. Despite recent efforts, coupling between these scales largely remains to be done. Several modeling approaches of solidification structures are presented in the article “Modeling of Dendritic Grain Solidification” in this Volume. One of them is the indirect modeling approach of grain...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006061
EISBN: 978-1-62708-172-6
... and could potentially ruin an otherwise successful project. The estimate needs to provide for all direct and indirect costs. The examination of the scope of the work and project specifications performed in the beginning stages of the estimating process should reduce the number of omissions. Other cost items...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004100
EISBN: 978-1-62708-184-9
..., environmental factors, and operating history of pipelines. It includes nonintrusive, aboveground examinations with pipeline physical examinations (direct assessment) at sites identified by assessment of the indirect examinations. Close interval survey techniques involve a series of structure-to-electrolyte...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005667
EISBN: 978-1-62708-198-6
... tubes and bronchoscopes; dental prostheses Breached-/compromised-surface devices Contact breached or otherwise compromised body surfaces Ulcer, burn, and granulation tissue dressings or healing devices and occlusive patches External communicating devices Indirect blood path devices Contact...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002176
EISBN: 978-1-62708-188-7
... leading to higher product quality and improved production rates. Computer-aided manufacturing (CAM) can be defined as the use of computer systems to plan, manage, and control the operations of a manufacturing plant through either direct or indirect computer interface with the production resources...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
... useful information is either checking the ends for craters, cracks, or centerline cracking or possibly for lack of edge fusion on the weld faces. Usually, a visual examination gives the same result unless the defect is subsurface. Visual examinations are only effective for surface defects, which...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... (a) nonlubricated extrusion, (b) lubricated extrusion, and (c) hydrostatic extrusion processes. Source: Ref 1 Fig. 2 Schematic illustrations of (a) direct extrusion and (b) indirect extrusion. Source: Ref 2 Fig. 4 Four types of flow patterns observed in the extrusion of metals. (a) Flow...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003803
EISBN: 978-1-62708-177-1
.... , The Interpretation of Microstructures of Metallic Artifacts , Application of Science in Examination of Works of Art , Young W.J. , Ed., Boston Museum of Fine Arts , 1967 , p 20 – 52 ; reprinted in A Search for Structure: Selected Essays on Science, Art and History , MIT Press , Cambridge , 1981 4...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003653
EISBN: 978-1-62708-182-5
.... (b) A broad range high emission for fluorescein Fig. 11 Large-area scanning system for corrosion under coating using ultraviolet (UV) light source. Left: a camera option to visually inspect and record corrosion suspect areas on an aircraft wing. Right: a close-up picture of a panel showing...