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fluorescent penetrant inspection

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
... compounds from magnetic particle and fluorescent penetrant inspection. The cleaning processes include emulsion cleaning, electrolytic alkaline cleaning, acid cleaning, solvent cleaning, vapor degreasing, alkaline cleaning, ultrasonic cleaning, and glass bead cleaning. The article provides guidelines for...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003231
EISBN: 978-1-62708-199-3
...-removable). Fluorescent-penetrant inspection uses penetrants that fluoresce brilliantly under ultraviolet light. The sensitivity of a fluorescent penetrant depends on its ability to form indications that appear as small sources of light in an otherwise dark area. Sensitivity levels of fluorescent...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006440
EISBN: 978-1-62708-190-0
... fluorescent penetrant process by R.C. Switzer. This liquid, used jointly with a powder developer, brought penetrant inspection from a relatively crude procedure to a more scientific operation. With fluorescent penetrant, minute flaws could be readily detected when exposed to ultraviolet light (commonly called...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... sophisticated computer-controlled automated processing and inspection systems. Penetrants should have two basic characteristics: they should be highly visible, and they should wet the part surface and discontinuities. Penetrants can be classified as either fluorescent penetrants (type I) or visible or dye...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
... selection for respective applications. eddy current testing inspection magnetic-particle testing nondestructive test methods penetrant testing radiographic testing ultrasonic testing welded joints WELDED JOINTS in any component or structure require thorough inspection. The role of...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... of flaws encountered in the inspection of steel bars, including porosity, inclusions, scabs, cracks, seams, and laps. Inspection methods, such as magnetic-particle inspection. liquid penetrant inspection, ultrasonic inspection, and electromagnetic inspection, of steel bars are also described. The...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
.... It describes the NDE engineering and NDE process control, along with some case studies related to the applications of NDE. The article reviews various models for predicting NDE reliability, such as ultrasonic inspection model, eddy current inspection model, and radiographic inspection model. It...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003232
EISBN: 978-1-62708-199-3
... fluorescent liquid-penetrant or magnetic-particle inspection. Fluorescence is the quality of an element or combination of elements to absorb the energy of light at one frequency and emit light of a different frequency. Fluorescent materials used in liquid-penetrant and magnetic-particle inspection are...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
...-particle inspection is that the fields produced by direct current generally penetrate the cross section of the part, while the fields produced by alternating current are confined to the metal at or near the surface of the part, a phenomenon known as the skin effect. Therefore, alternating current should...
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
... visible light in the yellow-green spectrum, with a frequency range from 520 to 580 nm ( Fig. 14 ). The test material fluoresces and produces radiation of longer wave lengths within the visible range of the spectrum. Magnetic-particle inspection and dye penetrant testing also have visible applications...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003230
EISBN: 978-1-62708-199-3
... Magnifying systems to evaluate surface finish, surface shapes (profile and contour gaging), and surface microstructures Dye and fluorescent penetrants and magnetic particles to enhance the observation of surface cracks (and sometimes near-surface conditions in the case of magnetic-particle inspection...
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
... be used on welded and seamless tube. For welded tube, the use of LP inspection can be restricted to the weld zone. The method relies on water-soluble and emulsion visible-dye and fluorescent penetrants. For a reliable test, the tube must always be cleaned before testing. Because the appraisal of...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003236
EISBN: 978-1-62708-199-3
... inspection frequency is a compromise between the ability of the ultrasonic beam to penetrate the material and the time or depth resolution desired. A high frequency generally provides high resolution and high definition, while a lower frequency might be required to achieve the desired penetration...
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
... Abstract Adhesive-bonded joints are extensively used in aircraft components and assemblies where structural integrity is critical. This article addresses the problem of how to inspect bonded assemblies so that all discrepancies are identified. It describes several inspection techniques and...
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
... Properties,” 2004 • Australasian Standard AS/NZS 3788, “Pressure Equipment In-Service Inspection,” 2001 • BS EN 571-1, “Non-Destructive Testing—Penetrant Testing: General Principles,” 1997 • BS EN 1290, “Non-Destructive Examination of Welds—Magnetic Particle Examination of Welds...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005863
EISBN: 978-1-62708-167-2
... testing methods, namely, magnetic particle testing, ultrasonic testing, and eddy current testing to evaluate induction-hardened components. case depth frequency induction hardening inductors inspection nondestructive testing quenching surface hardness evaluation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
...-penetrant inspection uses a liquid that is typically red in color and, thus, reveals red indications under visible light. On the other hand, the fluorescent penetrant inspection employs penetrants that fluoresce under ultraviolet light. Components with complex designs (sharp corners or radii) and/or made...
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
... fluorescent particles that, under ultraviolet light, cause discontinuities in the material to stand out. Regardless of the type of penetrant used, the inspection requires at least five essential steps: Surface preparation: Surfaces must be thoroughly cleaned and completely dried. Penetration...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006448
EISBN: 978-1-62708-190-0
... photon energy. Portable linear accelerators and betatrons are also used in field inspection. The electron energy of portable units is on the order of 1.5 MeV for portable linear accelerators and 2 to 6 MeV for portable betatrons. In terms of penetrating capability, expressed as the range of steel...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003238
EISBN: 978-1-62708-199-3
... Abstract Radiography is a nondestructive-inspection method that is based on the differential absorption of penetrating radiation by the part or test piece (object) being inspected. This article discusses the fundamentals and general applications of radiography, and describes the sources of...