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qualitative analysis

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110434
EISBN: 978-1-62708-247-1
... detectors attached to the scanning electron microscope chamber including the lithium-drifted EDS detector, silicon drift detector (SDD), and wavelength dispersive X-ray detector. The article then provides information on qualitative and quantitative X-ray analysis programs followed by a discussion on EDS...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270074
EISBN: 978-1-62708-301-0
... of the springs along with photographs of the damaged slipper pads and cam plate. It also includes an image of a copper flake found in one of the pistons and discusses the results of qualitative x-ray chemical analysis. adhesive wear scanning electron microscopy slipper pads visual examination Summary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270087
EISBN: 978-1-62708-301-0
... cause of crack initiation could not be established, material defects, improper root loading, and high operating temperatures were ruled out. This chapter describes how investigators came to their conclusions and what they learned through visual and SEM examination and qualitative elemental analysis...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720139
EISBN: 978-1-62708-305-8
... fluorescence is capable of the detection and quantification of elements with atomic number 5 or higher. Older energy dispersive units with beryllium window detectors are limited to atomic number 11 or higher. Typical uses are: Qualitative and quantitative chemical analysis for major and minor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
...), and surface analysis techniques such as XPS or electron spectroscopy for chemical analysis. While some of these techniques are qualitative in nature, others provide quantitative information for the property being evaluated. It is possible to conduct bulk analysis as well as elemental or surface analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220025
EISBN: 978-1-62708-259-4
... in steel metallurgy, one must rely more on these quantitative characterization tools and abandon the simple qualitative or semi-quantitative analysis that are able to show only trends. ...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720063
EISBN: 978-1-62708-305-8
...Abstract Abstract Machine vision is a means of simulating the image recognition and analysis capabilities of the human eye/brain system with electronic and electromechanical techniques. This chapter discusses four basic steps in the machine vision process, namely image formation, image...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... with the atoms in the sample and generate, among other signals, characteristic X-rays. These X-rays are detected and identified for qualitative analysis, and with the use of suitable standards, they can be corrected for matrix effects in order to perform quantitative analysis. Electron probe microanalysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... resolution in range 0 to 45 MPa (0 to 6500 psig) Equipment may require special attachment to be provided. Chemical analysis C.1 Spot test(s) Application of selected reagent(s) to surface and detection, by eye or with aid of a microscope, of subsequent reaction Qualitative (sometimes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... to corrosion and to identify its source. Energy dispersive spectroscopy in conjunction with scanning electron microscopy (SEM) has proven to be an effective method for qualitative analysis of chemical and scale deposits. Conventional chemical methods, atomic absorption spectrometry, and x-ray fluorescence...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
... for a given combination of optical resolution and visual acuitity. (From Van Duijn, Ref. 12, courtesy of Microscope Publications.) The comments made thus far are based on black-and-white images; the influence of color complicates the analysis, since one must be able to identify colors and distinguish...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... device shown in Fig. 6.23 . If EDS analysis is required to qualitatively analyze the composition of nonmetallic inclusions, it is important not to polish the specimen with alumina or silica polishing compounds, because they can contaminate the specimen, with small particles being lodged in porous areas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
... analysis sense. However, the engineer should understand the behavior that they reflect qualitatively. Unlike the results of other impact tests, plane-strain fracture toughness, the next subject to be discussed, is a material property. If it is properly measured within its range of applicability, it can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780295
EISBN: 978-1-62708-281-5
... be used to analyze thermal stresses, several useful qualitative tests are described in this article. Flow-induced orientation effects are also discussed. Orientation commonly occurs in processing by such techniques as extrusion, injection molding, pultrusion, and calendering. The anisotropy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630013
EISBN: 978-1-62708-270-9
...Abstract Abstract This chapter focuses on some of the facts of mechanical properties of metals that must be understood to successfully undertake the task of failure analysis. The discussion begins by describing the causes and effects of elastic and plastic deformation followed by a section...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780067
EISBN: 978-1-62708-268-6
... not allow the qualitative assessment of this column to be exclusively determined by the fault-tree analysis event probability, as discussed in Chapter 7 . If event probabilities are developed during the fault-tree analysis, they can be used to aid in assessment of each hypothesized failure mode...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060407
EISBN: 978-1-62708-261-7
... occurring during simple tension or compression, complex stress states must be considered in a complete analysis for product design of non-elementary shapes with nonuniform, nonlinear, and multiaxial stresses ( Ref 17.10 ). Stresses experienced in service often must be approximated, making it necessary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250059
EISBN: 978-1-62708-287-7
... symposium in 1938 where Jominy reported on his test for hardenability, Marcus Grossman, Morris Asimow, and S.F. Urban published a paper, “Hardenability, Its Relation to Quenching and some Qualitative Data in Hardenability of Alloy Steel” ( Ref 5 ). This research paper presented a mathematical analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
..., >0.1%; accuracy, 5 to 10%; analysis depth, 10 to 20 Å X-ray photoelectron spectroscopy: Applicable to all elements except hydrogen and helium; accessible range, >0.01%; accuracy, qualitative and semiquantitative; analysis depth, 5 to 25 Å Visual Examination Liquid Penetrant Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... in Table 1 ( Ref 3 ). Fourier transform infrared spectroscopy (FTIR) is a nondestructive microanalytical spectroscopic technique that involves the study of molecular vibrations ( Ref 2 ). The analysis results provide principally qualitative, but also limited quantitative, information regarding...