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neutron activation

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Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001748
EISBN: 978-1-62708-178-8
... Abstract Neutron activation analysis (NAA) is a highly sensitive and accurate method of assaying bulk materials for trace levels of many elements. This article provides a detailed account on several types of NAA, namely, nondestructive and radiochemical thermal neutron activation, delayed...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006642
EISBN: 978-1-62708-213-6
... Abstract This article provides a detailed account of the concepts and applications of neutron activation analysis (NAA), covering the basic principles and neutron reactions of NAA as well as calibration methods used for NAA. The discussion also covers the factors pertinent to analytical...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006432
EISBN: 978-1-62708-192-4
... measurement methods to introduce the advantages of using radioactive isotopes (RI) for wear or corrosion measurements in comparison to other methods. The article provides information on radiation safety regulations and approaches to minimize external radiation exposure. It describes neutron activation, thin...
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Published: 15 December 2019
chromatography; ICP-MS: inductively coupled plasma mass spectrometry; LC: liquid chromatography; LC/MS: liquid chromatography/mass spectrometry; MFS: molecular fluorescence spectroscopy; NAA: neutron activation analysis; NMR: nuclear magnetic resonance; RS: Raman spectroscopy; UV/VIS: ultraviolet/visible More
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0005693
EISBN: 978-1-62708-178-8
... electron microscopy CBED convergent-beam electron diffraction DRS diffuse reflectance spectroscopy EDS energy-dispersive spectroscopy EELS electron energy loss spectroscopy ENAA epithermal neutron activation analysis EPMA electron probe x-ray microanalysis...
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Published: 15 December 2019
Fig. 1 Flow charts of common techniques for characterization of semiconductors. ICP-MS: inductively coupled mass spectrometry; ESR: electron spin resonance; NMR: nanomagnetic resonance; UV-vis: ultraviolet-visible spectroscopy; XRS: x-ray Raman spectroscopy; NAA: neutron activation analysis More
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Published: 15 December 2019
-AES, inductively coupled plasma atomic emission spectroscopy; IR, infrared spectroscopy; LEISS, low-energy ion-scattering spectroscopy; NAA, neutron activation analysis; OES, optical emission spectroscopy; OM, optical metallography; RBS, Rutherford backscattering spectrometry; RS, Raman spectroscopy More
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Published: 15 December 2019
: low-energy ion-scattering spectroscopy; MFS: molecular fluorescence spectroscopy; NAA: neutron activation analysis; NMR: nuclear magnetic resonance; OM: optical metallography; RS: Raman spectroscopy; SAXS: small-angle x-ray scattering; SEM: scanning electron microscopy; SIMS: secondary ion mass More
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Published: 15 December 2019
: liquid chromatography/mass spectrometry; LEISS: low-energy ion-scattering spectroscopy; MFS: molecular fluorescence spectroscopy; NAA: neutron activation analysis; NMR: nuclear magnetic resonance; OM: optical metallography; RS: Raman spectroscopy; SAXS: small-angle x-ray scattering; SEM: scanning More
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006652
EISBN: 978-1-62708-213-6
... chromatography; ICP-MS, inductively coupled plasma mass spectroscopy; LC, liquid chromatography; LC/MS: liquid chromatography/mass spectrometry; LEISS, low-energy ion-scattering spectroscopy; MFS, molecular fluorescence spectroscopy; NAA, neutron activation analysis; NMR, nuclear magnetic resonance; OM, optical...
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Published: 01 January 1987
Fig. 823 Effect of neutron irradiation on fracture mode and fracture toughness of the iron-nickel-base superalloy A-286 (UNS S66286). The plot of fracture toughness versus neutron exposure charts the degradation of K Ic with increased irradiation. Note the fracture-mode transition from More
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000615
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of iron-base superalloys and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the neutron irradiation effect, fracture mode...
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
... • … … … • • … … … • • • S … … Molecular fluorescence spectroscopy D,N D,N D,N … D,N D,N D,N D,N … … D,N D,N D,N … … Neutron activation analysis N … … N N N N N … … N N N … … Nuclear magnetic resonance N D,N • D,N,S N N N N … … N N S N S Optical metallography...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005711
EISBN: 978-1-62708-171-9
... facing the reacting fuel pellet. The requirements are similar to MCF PFCs but also include surviving impacting debris and x-rays, low erosion from CO 2 cleaning, low vacuum outgassing, and low activation by neutrons. Thermal spray coatings investigated for ICF use include tantalum, B 4 C, MgAl 2 O 4...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006667
EISBN: 978-1-62708-213-6
... Individual Anger camera module with scintillator 15 by 15 cm (6 by 6 in.) active area. Optics package and photomultipliers are at the very front. To optimize speed, a significant portion of the signal processing is made on the boards at the back. Typical characteristics of neutron detectors...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0005692
EISBN: 978-1-62708-178-8
... a sam- bombardment. See also neutron activation analytical electron microscopy (AEM). ple due to regions of different mass den- analysis. The technique of materials analysis in the sity and thickness. transmission electron microscope adsorption chromatography. Chromatog- equipped to detect and quantify...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006748
EISBN: 978-1-62708-213-6
... in the trans- density. analysis based on the detection of character- mission electron microscope equipped to istic radionuclides following nuclear bom- detect and quantify many different signals absorption (of electromagnetic radiation). A bardment. See also neutron activation from the specimen. The technique...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005340
EISBN: 978-1-62708-187-0
...) analyzed include ( Ref 1 ): Emission spectroscopy for Li, B, Na, and heavier elements Hot extraction for hydrogen Combustion analysis for carbon Neutron activation for oxygen Gas chromatography for aluminum carbides and calcium carbides Although the above methods have been used...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001765
EISBN: 978-1-62708-178-8
...; worldwide, about 30 centers are active in neutron Observation of phase transitions scattering Refinement of structural parameters and phase Estimated Analysis Time fractions in mixed catalyst systems Determination of three-dimensional residual and A c q u i s i t i o n : Typically 12 h for powder...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001762
EISBN: 978-1-62708-178-8
... it can be used. It begins with a discussion on the principles of diffraction and scattering and the effectiveness of x-ray, neutron, and electron energy sources for different types of measurements. It provides information on data collection and reduction and explains how to create atomic distribution...