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Electron probe analysis

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Published: 01 June 2019
Fig. 6 Based on electron probe micro-analysis using elemental X-ray maps and the literature, the corrosion product is believed to be cupric hydroxychloride, CuCl 2 ·3[Cu(OH) 2 ]. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0049838
EISBN: 978-1-62708-222-8
... interfaces. These intermetallics were established to have a high resistance causing significant resistive heating. Electrical circuits Electron probe analysis Wire connections Aluminum wire (Other, miscellaneous, or unspecified) failure The electron probe microanalyzer has been applied...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046371
EISBN: 978-1-62708-234-1
... any stainless steel from the spacer. Other items for investigation were the nature of the bond between the galled spot and the inner cone and any evidence of overtempering or rehardening resulting from localized overheating. Analysis (visual inspection, electron probe x-ray microanalysis, microscopic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001535
EISBN: 978-1-62708-232-7
.... Microstructural issues influencing roll quality, such as characteristics of carbides, tempered martensite, retained austenite, etc., have been extensively studied through optical and scanning electron microscopy, electron-probe microanalysis, image analysis, and x-ray diffractometry. These are discussed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... concludes with a review of the evaluation of polymers and ceramic materials in failure analysis. Auger electron spectroscopy ceramic materials corrosion electron probe microanalysis energy dispersive spectroscopy failure analysis macroscopic examination metallographic specimen preparation...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006943
EISBN: 978-1-62708-395-9
...—approximately a few nanometers. X-ray photoelectron spectroscopy is used for the chemical surface analysis of polymers to study the chemical composition. The term surface analysis is traditionally used for surface chemical analysis techniques performed by Auger electron spectroscopy (AES) and XPS, which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0046981
EISBN: 978-1-62708-218-1
.... Analysis (visual inspection, electron probe x-ray microanalysis, hardness testing, 4.5x fractograph) supported the conclusions that failure of the valve stem occurred by fatigue as a result of a combination of a nonuniform bending load, which caused a mild stress-concentration condition, and a high...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003533
EISBN: 978-1-62708-180-1
... information from a sample. Thus, the analytical capabilities of an SEM cover a wide range of information, and accessories can be chosen to suit the particular interests of the user. Scanning electron microscopes have been found particularly useful in failure analysis investigations. This is true...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006769
EISBN: 978-1-62708-295-2
... interests of the user. Scanning electron microscopes have been found particularly useful in failure analysis investigations. This is true for a number of reasons, the most prominent being the ability of the SEM to image large, nonflat samples from low to high magnifications (approximately 10× to greater...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... were selected for analysis, along with additional samples representing the various resistor failures. Visual examination revealed two different types of termination failures: total delamination and partial delamination. Electron probe microanalysis confirmed that the fracture occurred at the end...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001532
EISBN: 978-1-62708-232-7
... roll quality, viz. characteristics of graphite, carbides, martensite, etc., have been extensively studied through optical microscopy, quantitative image analysis (QIA), and electron-probe microanalysis (EPMA). These are discussed in the context of spalling propensity and roll life. Hardness Hot...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... of these techniques for chemical characterization of surfaces. Surface analysis technique summary chart Table 1 Surface analysis technique summary chart Surface analysis technique Parameter AES XPS TOF-SIMS Probe beam Electrons X-ray photons Ions Analyzed beam Electrons...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046991
EISBN: 978-1-62708-234-1
..., which resulted from heating during welding. Electron probe x-ray microanalysis showed the outside surface of the tube did not have the protective chromium oxide scale normally found on Incoloy 800. The inside surface of the tube had a thin chromium oxide protective scale. This evidence supported...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
...× Microanalysis of the Entrapments Electron probe microanalysis of the longitudinal sections of all the four failed wire samples containing cracks were carried out. EPMA analysis of the crack at various points indicated absence of any notable entrapment within the cracks in all the samples. Typical secondary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001645
EISBN: 978-1-62708-232-7
...× Fig. 8 Energy-dispersive spectrometric (EDS) analysis of inclusion observed at the crack site on the fracture surface of the failed converter bearing sample, showing Ca, Al, and Si X-ray peaks indicating the presence of silicate inclusion Electron Probe Microanalysis Electron probe...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... structure of the surfaces under study. Most of these techniques are based on bombarding the surface with photons, x-rays, ions, neutrons, or electrons and analyzing the radiation emitted and/or reflected from the surface. Other techniques use other interactions, such as physical probing of the surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001247
EISBN: 978-1-62708-228-0
... at 1150 psig. The sour gas was heated to 600 deg F by burners playing on the outside of the tube burning “sweet” gas plus air. The inner and outer surfaces of all samples showed evidence of corrosive attack. Electron probe microanalysis showed the corrosion products contained sulfur with iron, together...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... Abstract This article describes some of the common elemental composition analysis methods and explains the concept of referee and economy test methods in failure analysis. It discusses different types of microchemical analyses, including backscattered electron imaging, energy-dispersive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001521
EISBN: 978-1-62708-229-7
... analysis of the gray phase revealed its composition to be 86Cu, 13O, and 1Cl. Similar analysis of the matrix revealed 70.0Cu, 25.6Zn, 3.4O, and 1Sn, which is in agreement with the product check analysis. Fig. 6 Based on electron probe micro-analysis using elemental X-ray maps and the literature...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091699
EISBN: 978-1-62708-219-8
.... However, an electron probe microanalysis performed on a microspecimen did not reveal any mercury at or near the cracks. Chemical analysis of the lithium bromide solution revealed significant quantities of nitrates in the solution. Such nitrates are normally added to the lithium bromide solution to act...