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energy dispersive spectrometry

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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
... 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 spectrometry, and wavelength...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001826
EISBN: 978-1-62708-241-9
..., nondestructive testing, energy dispersive x-ray analysis, and inductively coupled plasma mass spectrometry. The tube was made from SA 210A1 carbon steel that had been compromised by wall thinning and the accumulation of fire and water-side scale deposits. Investigators determined that the tube failed due...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001839
EISBN: 978-1-62708-241-9
...Abstract Abstract Several stainless steel coils cracked during a routine unwinding procedure, prompting an investigation to determine the cause. The analysis included optical and scanning electron microscopy, energy-dispersive x-ray spectrometry, and tensile testing. An examination...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001122
EISBN: 978-1-62708-214-3
... of the head was conducted using optical microscope. Chemical composition of the hammerhead was determined by emission spectrometry. The chemical compositions of the chip and hammer head were compared using energy-dispersive analysis. Microhardness versus distance from the striking face was also determined...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001771
EISBN: 978-1-62708-241-9
... electron microscopy, energy dispersive x-ray spectrometry, and mechanical property testing. This provided critical information and revealed that improper coking and decoking had removed the protective oxide layer (Cr 2 O 3 ) that normally prevents coke deposits from forming on exposed surfaces. Without...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
... Accuracy and High Precision by Scanning Electron Microscopy/Silicon Drift Detector Energy-Dispersive X-Ray Spectrometry (SEM/SDD-EDS) , J. Mater. Sci. , Vol 50 ( No. 2 ), Jan 2015 , p 493 – 518 10.1007/s10853-014-8685-2 2. “ Standard Guide for Quantitative Analysis by Energy-Dispersive...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001566
EISBN: 978-1-62708-229-7
... thickness in several areas ( Fig. 1 ). Energy dispersive spectrometry (EDS) analysis of deposits on the fracture surface and nozzle surfaces revealed calcium, silicon, sulfur, and sodium with traces of chlorides. The presence of these constituents in the desuperheater assembly was attributed to occasional...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048791
EISBN: 978-1-62708-234-1
.... At higher magnification, evidence of some plastic deformation before fracture was found. Energy-dispersive spectrometry (EDS) scans of an oxidized area of the fracture revealed traces of sulfur and chlorine, probably from the dye penetrant, and the iron, chromium, and nickel normally present. At another...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001059
EISBN: 978-1-62708-214-3
... Transgranular SCC in type 316 stainless steel. Note typical austenitic matrix with midgrain carbides. Oxalic etch. 128×. Corrosion or Wear Deposits Chemical analysis in the form of energy-dispersive spectrometry (EDS) was performed on several deposits near the pitted areas to determine elemental...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001528
EISBN: 978-1-62708-219-8
... of the ID surface of the tank section that blew outwards. Note the web-like network of cracking. (1×) Several areas of the fracture surface were examined by scanning electron microscopy with energy dispersive spectrometry (SEM/EDS). The fracture surfaces were predominantly covered with corrosion...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001754
EISBN: 978-1-62708-241-9
... subsequently led to the discovery of overlooked debris in an engine chip detector, and thus resulted in a review of several maintenance practices. aircraft bearings operating overload inadequate maintenance and inspection M50 alloy steel bulk deformation energy dispersive spectrometry chemical...
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
...: EDS, energy-dispersive spectroscopy; WDS, wavelength-dispersive spectroscopy; AES, Auger electron spectroscopy; XPS, x-ray photoelectron spectroscopy; TOF-SIMS, time-of-flight secondary ion mass spectrometry; FTIR, Fourier transform infrared (spectroscopy) Auger electron spectroscopy atomic...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001367
EISBN: 978-1-62708-215-0
... be machined out. If they are not, they will propagate during operation and may result in a catastrophic failure. It is difficult to predict how rapidly the cracks will grow; however, this impeller material is tough and should resist sudden, brittle failure. Energy-Dispersive X-Ray Spectrometry Scanning...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048751
EISBN: 978-1-62708-235-8
... to and normal to the weld seam ( Fig. 1 ). This type of cracking is characteristic of a phenomenon termed hot shortness (see the article “Failures Related to Welding” in this Volume). Energy-dispersive x-ray spectrometry of the areas surrounding the cracks showed that a type 316 electrode was not used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0048702
EISBN: 978-1-62708-220-4
... analysis, energy-dispersive x-ray spectrometry, and x-ray diffraction were used to analyze the tube and deposit samples. A thick, nonuniform black scale was present over the entire inside surface of the tube. When this scale was removed, large pits filled with a green deposit were evident. Figure 1 shows...
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
.... A competing process to Auger electron generation is that of x-ray emission, the analytical signal for the technique known as energy-dispersive x-ray spectroscopy (EDS). In general, x-ray emission is more pronounced for heavier elements, while the probability of Auger electron emission is greater from lighter...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001757
EISBN: 978-1-62708-241-9
... the fractured blade. Optical microscopy was used to determine the microstructures of a blade, and energy-dispersive X-ray fluorescence, inductively coupled plasma spectrometry (ICP), and energy-dispersive spectroscopy (EDS) in a field emission scanning electron microscope (FE-SEM) were used to verify...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048299
EISBN: 978-1-62708-229-7
... etched with nital. 500× Energy-dispersive x-ray spectrometry (EDS) analysis of the debris showed the major constituent to be iron with traces of phosphorus, manganese, sodium, calcium, copper, zinc, potassium, silicon, chromium, and molybdenum. Thus, the debris is probably scale from the inside...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
.... If this information is not available, rapid, nondestructive, semiquantitative techniques such as energy-dispersive x-ray spectroscopy (EDS) and portable x-ray fluorescence (XRF) tools can be used to estimate the material composition in order to allow the chemical analyst to determine the proper techniques...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... useful analytical techniques include energy dispersive X-ray spectrometry, X-ray diffraction, or a comparable surface science methodology. In questions concerning the presence or absence of lubricant, or if the identification of a wire rope lubricant is needed, infrared spectrometry may provide answers...