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optical analysis

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Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006640
EISBN: 978-1-62708-213-6
... Abstract This article is a detailed account of optical emission spectroscopy (OES) for elemental analysis. It begins with a discussion on the historical background of OES and development trends in OES methods. This is followed by a description of the general principles and optical systems of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003027
EISBN: 978-1-62708-200-6
... Abstract Optical testing of plastics includes characterization of materials and analysis of optical components. This article focuses on procedures for testing various characteristics of optical components, including transmission and haze, yellowness, refractive index, birefringence, as well as...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006647
EISBN: 978-1-62708-213-6
... the torch (or quartz tube), generating electric and magnetic fields. An argon flow is carried at the center of the torch, where a Tesla discharge will ignite the plasma. Fig. 3 General structure of the inductively coupled plasma optical emission spectrometer plasma torch during analysis. The...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001295
EISBN: 978-1-62708-170-2
... and measured values. Differences between the results of an analysis and reality are more often due to an oversimplified model than to limitations in the capability of the measuring instrument. For general information on electromagnetic waves and optics, the reader should refer to textbooks ( Ref 1...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006684
EISBN: 978-1-62708-213-6
..., measuring the amount, size, and spacing of constituents, using the light optical microscope. The discussion covers the examination of microstructures using different illumination methods and includes a comparison between light optical images and scanning electron microscopy images of microstructure...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003250
EISBN: 978-1-62708-199-3
... Abstract The overall chemical composition of metals and alloys is most commonly determined by X-ray fluorescence (XRF) and optical emission spectroscopy (OES), and combustion and inert gas fusion analysis. This article provides information on the capabilities, uses, detection threshold and...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001237
EISBN: 978-1-62708-170-2
... Abstract Quantitative image analysis has expanded the capabilities of surface analysis significantly with the use of computer technology. This article provides an overview of the quantitative image analysis and optical microscopy. It describes the various steps involved in surface preparation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003249
EISBN: 978-1-62708-199-3
...) Optical emission spectroscopy (OES) Combustion/inert fusion analysis (LECO) X-ray diffraction (XRD) Macrophotography (b) Micro Scanning electron microscopy (SEM) Electron probe microanalysis (EPMA) Transmission electron microscopy (TEM) Transmission electron microscopy (TEM) Scanning electron...
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
... … … 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 … … … … … … … • • … … … … … • Raman spectroscopy N D, • D,• … D,• D,• D...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003058
EISBN: 978-1-62708-200-6
... Abstract Failure analysis is a process of acquiring specified information regarding the appropriateness of the design of a part, the competence with which the various steps of its manufacture have been performed, any abuse suffered by it in packing and transportation, or the severity of service...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001301
EISBN: 978-1-62708-170-2
... chemical analysis). SIMS (SNMS), secondary ion mass spectroscopy (secondary neutral mass spectroscopy). GDOES (GDMS), glow discharge optical emission spectroscopy (glow discharge mass spectroscopy). RBS (ISS), Rutherford backscattering spectroscopy (ion scattering spectroscopy). Source: Ref 3...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006675
EISBN: 978-1-62708-213-6
... Abstract This article is an overview of the division Surface Analysis of this volume. The division covers various developed surface-analysis techniques, such as scanning probe and atomic force microscopy. The division focuses on the analysis of surface layers that are less than 100 nm. A...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005922
EISBN: 978-1-62708-166-5
..., and the results of cooling curve analysis. The article schematically summarizes the cooling behaviors of the various cooling media and the microstructure of the pearlite transformation in a lead bath. cooling cooling curve high-carbon steel pearlite transformation steel wire patenting wires...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006451
EISBN: 978-1-62708-190-0
... Abstract Thermoelastic stress analysis (TSA) an increasingly popular infrared (IR)-based technique for measuring stress on the surface of a part subjected to time-varying loads. This article begins by providing a theoretical and historical background of thermoelastic stress analysis. It then...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... Abstract Thermomechanical analysis (TMA) is a thermal analysis technique in which the length of a specimen is precisely measured versus temperature and time as the specimen is subjected to controlled heating and cooling. This article discusses the various factors and processes involved in TMA...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... Abstract Ultrasonic inspection is a nondestructive technique that is useful in both quality control and research applications for flaw detection in fiber-reinforced composite materials. This article describes ultrasonic nondestructive analysis by outlining its three basic types of scans. It...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001838
EISBN: 978-1-62708-181-8
.... The profile characteristics are readily measured with a commercial image analysis system connected to a suitable optical metallographic system ( Ref 9 , 27 ). The image of the curve is traced with the cursor, which is on the digitizing tablet. Measurements are taken directly from the metallographic...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005343
EISBN: 978-1-62708-187-0
... include inductively coupled plasma spectroscopy (ICP) with combustion analysis for the carbon and sulfur, optical emission spectroscopy (OES), glow discharge spectroscopy (GDS), x-ray florescence spectroscopy (XRF), and other variations of these methods. X-ray diffraction (XRD) may need to be used to...
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: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006660
EISBN: 978-1-62708-213-6
... grain size, grain shape, and the crystallographic character of the grain and phase boundaries. Especially when combined with other SEM-based techniques, such as energy-dispersive and wavelength-dispersive analysis of composition, phase identification is also possible. The use of EBSD has now become...