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Published: 01 January 2002
Fig. 26 Results of the in situ energy-dispersive spectroscopy analysis of the deposits present in the fracture terminus areas of the laboratory opened crack sample More
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Published: 01 June 2019
Fig. 1 Broken support bracket in-situ. More
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Published: 15 January 2021
Fig. 1 Portable x-ray fluorescence analyzer taking readings in situ. (a) Example of a handheld device. (b) Interface between the sample and the detector. Courtesy of J. Sampson, NASA More
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Published: 01 December 1992
Fig. 6 In situ EDS spectra for regions land 2s hown in Fig. 5 . More
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Published: 01 December 1992
Fig. 7 In situ EDS spectra for regions 3 and 4 shown in Fig. 5 . More
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Published: 01 December 1992
Fig. 10 In situ EDS spectrum for the fracture surface deposits. More
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Published: 01 December 1993
Fig. 7 The spectrum presents the results of the in-situ EDS analysis of the deposits present in the fracture terminus areas of the laboratory opened crack sample. More
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Published: 01 December 1993
Fig. 10 Typical results of in situ EDS analyses at the base of shrinkage voids in the impeller More
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Published: 01 December 1993
Fig. 7 Results of in situ metallographic examination. (a) Grain size variations in the lower tubular portion. (b) Grain size variations in the HAZ of the upper brazed joint More
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Published: 01 December 1993
Fig. 1 Setup for in situ metallographic inspection of a dished end More
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Published: 01 December 1993
Fig. 9 In situ EDS spectrum of the deposits at the base of the gouge shown in Fig. 6 before bead blasting. More
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Published: 01 December 1993
Fig. 7 In situ EDS elemental analysis from the crack deposits More
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Published: 30 August 2021
Fig. 90 In situ metallograph of base metal microstructure near the crack. Etched in 10% oxalic acid. Original magnification: 50× More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001000
EISBN: 978-1-62708-229-7
..., microcracks, and aligned damage centers which showed up as voids upon repeated polish-etch cycles. Because of the local nature of creep damage that can occur, any inspection that involves in situ metallography must be conducted at exactly the right or critical position or the presence of damage may...
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Published: 01 June 2019
Fig. 2 Damage to compression casing. Back plate of disrupted impeller still in situ. More
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Published: 30 August 2021
Fig. 16 Microstructural evolution during high-temperature creep damage. (a) Initial ferrite plus pearlite. (b) In situ spheroidized carbide. (c) Grain-boundary carbides. (d) Creep voids. Original magnification: 200× More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
... shutdowns and startups. Residual stresses, originating from in situ bend forming of the tube during assembly of the line, provided a driving force for crack growth, and the segregation of sulfur on grain boundaries made the material more susceptible to cracking. bent tube fracture hypochlorous acid...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001046
EISBN: 978-1-62708-214-3
... alloy C-276) were placed directly in the hot gas stream, containing HCl and Cl2, for in situ testing. Results of this investigation showed that nickel-chromium corrosion-resistant alloys, such as Inconel 600, Inconel 625, and Inco alloy C-276, performed well in this environment. Laboratory testing...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001319
EISBN: 978-1-62708-215-0
... observed, indicating contamination by rusted carbon steel particles. Liquid penetrant testing was used to determine the extent of the cracks, and in situ metallographic analysis was performed over the cracked region. The morphology of the cracks was indicative of transgranular stress-corrosion cracking...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001279
EISBN: 978-1-62708-215-0
... in Tube 4 was likely the result of steam washing from the Tube 3 failure. Graphitization observed remote from the rupture in Tube 3 and in Tube 4 indicated that adjacent tubing also was susceptible to creep failure. In-situ metallography identified other graphitized tubes to be replaced during a scheduled...