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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
... 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 elemental mapping...
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
... 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 elements in metals and alloys Determination of composition and thickness of thin...
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
... 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. It includes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... an image analyzer, SEM in conjunction with EDS, XRD, emission spectroscopy, XRF, atomic absorption spectrometry (AAS), 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...
Image
Published: 01 November 2019
Figure 19 (a) Pass and fail SDL sites. (b) The SDL sites overlaid with the CAD show that it is at an inverter. The defect, later identified, caused the gates to float. In (c) the signal analysis shows a qualitative explanation of how the laser effect of lowering the V t will cause a change More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220025
EISBN: 978-1-62708-259-4
... characterization tools and abandon the simple qualitative or semi-quantitative analysis that are able to show only trends. References References 1. Krauss G. and Marder A.R. , The Morphology of Martensite in Iron Alloys , Metall. Trans. , Vol 2 , 1971 , p 2343 – 58 10.1007/BF02814873...
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 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 preprocessing...
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 2009
DOI: 10.31399/asm.tb.sfa.t52780067
EISBN: 978-1-62708-268-6
..., but the evidence is not conclusive. “Confirmed” means the failure analysis team evaluated the hypothesized failure cause and found objective evidence that the cause was present and induced the failure. The failure analysis team should not allow the qualitative assessment of this column to be exclusively...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420239
EISBN: 978-1-62708-310-2
... 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 is used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... the secondary electron image. Gold sputtering is essential for nonconducting surfaces (e.g., oxide layers) as well as surfaces containing large cavities. The sputtered layer is applied uniformly using a special device shown in Fig. 6.23 . If EDS analysis is required to qualitatively analyze the composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
...: Applicable to all elements except hydrogen and helium; accessible range, >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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... microanalytical spectroscopic technique that involves the study of molecular vibrations ( Ref 2 ). The analysis results provide principally qualitative, but also limited quantitative, information regarding the composition and state of the material evaluated. Fourier transform infrared spectroscopy uses infrared...
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 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 describing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... and the electronics of instruments are not covered here. Instead, the focus is on qualitative and semiquantitative interpretation of spectra and those aspects of experimental technique that are important to practical failure analysis. Instrumentation and physics of these methods are described in more detail...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... of aging due 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
... is to be feasible. Some of the critical material behavior has been studied in detail and quantified in the form of well-defined engineering data, while in other cases, the understanding is more qualitative in nature. In this section, well-understood behavior and engineering techniques are discussed first, followed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110461
EISBN: 978-1-62708-247-1
... Abstract The ultimate goal of the failure analysis process is to find physical evidence that can identify the root cause of the failure. Transmission electron microscopy (TEM) has emerged as a powerful tool to characterize subtle defects. This article discusses the sample preparation procedures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... pattern. Other useful tools are infrared spectroscopy for the qualitative and quantitative analysis of raw materials and, in certain cases, extent of cure; thermal analysis techniques, including differential scanning calorimetry and thermogravimetric and thermomechanical analyses for chemical reactivity...