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fluorescence method

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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
... Abstract This article focuses on the methods that are being developed for detecting and monitoring corrosion: electrochemical methods, electromagnetic or sound wave methods, fiber-optic technology, fluorescence methods, and the Diffracto Sight method. It reviews the importance of data...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003231
EISBN: 978-1-62708-199-3
... must not fluoresce or absorb or filter out black light used for inspection. Water-suspendible developers permit high-speed application of developer in mass inspection of small to medium-size workpieces using the fluorescent method. A basket of small, irregularly shaped workpieces that has gone through...
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
... as fluorescent penetrant inspection, it is widely used in industry for noncritical inspection. Through these developments, liquid penetrant inspection has become a major nondestructive inspection method. Penetrant Methods Because of the vast differences among applications for penetrant inspection...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005731
EISBN: 978-1-62708-171-9
... render the fluorescent method feasible. A certain number of quanta must be accumulated at the detector in order to sufficiently reduce the statistical error of the measurement. The sensitivity of the analysis, that is, the lowest detectable concentration of a particular element in a specimen, will depend...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001732
EISBN: 978-1-62708-178-8
... difference between the label and the much shorter-lived sample background emission. Uranyl compounds fluoresce from 520 to 620 nm, and various methods have been described for the fluorimetric determination of U(IV) salts. Minimum detectable quantities for fluorescent metals Table 3 Minimum detectable...
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
... Abstract Radiography is the process or technique of producing images of a solid material on a paper/photographic film or on a fluorescent screen by means of radiation particles or electromagnetic waves of short wavelength. This article reviews the general characteristics and safety principles...
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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
.... Chemical analysis is carried out by X-ray fluorescence spectrometry, atomic absorption spectrophotometry, and plasma-emission spectrophotometry. Phase analysis is done by X-ray diffraction, spectroscopic methods, thermal analysis, and quantitative analysis. Techniques used for microstructural analysis...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... transmitted-light method is shown for reference. (a) Bright-field illumination, 25× objective. (b) Dark-field illumination, 25× objective. (c) Polarized light, 25× objective. (d) Slightly uncrossed polarized light, 25× objective. (e) Epi-fluorescence, 390–440 nm, 25× objective. (f) Transmitted light, Hoffman...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003250
EISBN: 978-1-62708-199-3
... fluorescence spectroscopy THE OVERALL CHEMICAL COMPOSITION of metals and alloys is most commonly determined by x-ray fluorescence (XRF) and optical emission spectroscopy (OES). While these methods work well for most elements, they are not useful for dissolved gases and some nonmetallic elements that can...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006126
EISBN: 978-1-62708-175-7
.... X-ray fluorescence offers the same broad element detection of ICP-OES; however, the material can be analyzed as a bulk solid without dissolving the metal in an aggressive solution. For trace analysis, this method has a lower detection limit of approximately 100 ppm, depending in part, of course...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006646
EISBN: 978-1-62708-213-6
... Abstract The Mossbauer effect (ME) is a spectroscopic method for observing nuclear gamma-ray fluorescence using the recoil-free transitions of a nucleus embedded in a solid lattice. This article provides an overview of the fundamental principles of ME, covering recoil-free fraction, absorption...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
... Abstract This article describes methods for analyzing impact-damaged composites in the aircraft industry. These include C-scan and x-radiography methods and optical microscopy. The article reviews brittle-matrix composite and tough-matrix composite failures. It explains the different types...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001753
EISBN: 978-1-62708-178-8
... Abstract The Mossbauer effect (ME) is a spectroscopic method for observing nuclear gamma-ray fluorescence based on recoil-free transitions in a nucleus embedded in a solid lattice. This article provides an overview of the fundamental principles of ME and related concepts such as recoil-free...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003464
EISBN: 978-1-62708-195-5
...-fluorescence. The article also provides information on transmitted light microscopy. composite materials epi-bright-field illumination epi-dark-field illumination epi-fluorescence epi-polarized light failure analysis illumination methods mounting polishing quality control reflected light...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006678
EISBN: 978-1-62708-213-6
... Abstract This article briefly discusses popular techniques for metals characterization. It begins with a description of the most common techniques for determining chemical composition of metals, namely X-ray fluorescence, optical emission spectroscopy, inductively coupled plasma optical...
Image
Published: 01 December 2004
Fig. 18 Micrographs of a composite cross section showing the differences in contrast methods. The composite morphology and microcracks appear significantly different using these epi-illumination modes. One transmitted-light method is shown for reference. (a) Bright-field illumination, 25 More
Image
Published: 01 December 2004
Fig. 12 Interply and intraply arcing events that occurred in a carbon fiber composite after being subjected to a lab-induced lightning strike. Comparison of different contrast methods: bright-field illumination and epi-fluorescence, 390–440 nm excitation, 25× objective More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... Abstract This article describes the dispersed-phase toughening of thermoset matrices by the development of multiphase-structure thermosetting matrices using rubber and/or thermoplastic materials. It discusses two main methods for manufacturing prepregs, namely, single-pass impregnation...
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
... Abstract Nondestructive inspection (NDI) methods for cast iron are used to ensure that the parts supplied perform as required by the purchaser. This article focuses on the principal nondestructive methods used to inspect for anomalies in cast irons and to determine if the volume, shape, size...