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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047753
EISBN: 978-1-62708-235-8
... Abstract A pressure probe assembly comprised of type 347 stainless steel housing, brazed with AMS 4772D filler metal to the pressure probe, failed due to detachment of a rectangular segment from the housing. The presence of a large brazing metal devoid region in the pressure probe-housing joint...
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Published: 01 June 2019
Fig. 4 Replica of diagram from micro-probe analysis across a grain boundary. More
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Published: 01 June 2019
Fig. 1 Type 347 stainless steel pressure-probe housing that failed by fatigue fracture because of voids in a brazed joint. (a) Photograph of opening produced in housing by detachment of a segment at time of fracture. 5 1 4 ×. Large region indicated by arrows is devoid of braze metal More
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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
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Published: 01 June 2019
Fig. 8 Location of probe when ultrasonically testing for fissures at toe of seal-weld More
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Published: 01 June 2019
Fig. 9 Electron probe microanalysis (EPMA) scans of brittle alumina stringers observed in the failed converter bearing sample. (a) Backscattered electron (BSE) image; (b) O 2 X-ray map; (c) Al X-ray map. All, 600× More
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Published: 15 May 2022
Fig. 43 Thermomechanical analysis (TMA) probe-displacement curves and extrapolated heat-distortion temperature values for two-ply unidirectional graphite composite. Source: Ref 88 More
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Published: 30 August 2021
Fig. 3 Type 347 stainless steel pressure-probe housing that failed by fatigue fracture because of voids in a brazed joint. (a) Photograph of opening produced in housing by detachment of a segment at time of fracture. Original magnification: 5¼×. Large region indicated by arrows is devoid More
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0047158
EISBN: 978-1-62708-226-6
... Abstract The pointed ends of several stainless steel forceps split or completely fractured where split portions broke off. All the forceps were delivered in the same lot. The pointed ends of the forceps are used for probing and gripping very small objects and must be true, sound, and sharp...
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
... Abstract An electron probe microanalyzer was applied to the study of service failures (due to severe heating) of aluminum wire connections in residential electrical circuits. Perturbed regions in which the composition underwent a change during the failure were revealed by optical and scanning...
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Published: 15 May 2022
Fig. 51 AFM image of the mark made in a polymer surface when a nanoindentation measurement is made. The AFM probe was used to make the indentation was triangular shaped. More
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Published: 15 May 2022
Fig. 7 Illustration of interaction volume of depth, R , with corresponding escape depths and information depths, L , and lateral probe size, x , for different signal types More
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Published: 01 June 2019
Fig. 1 Evidence of galling, or adhesive wear, on the inner surface of a carburized 4720 steel inner cone of a roller bearing. Galling was confirmed by the use of electron probe x-ray microanalysis. More
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Published: 01 January 2002
Fig. 14 Instrumented sidestreams in a biocide field test facility, each equipped with chemical injection pumps, pressure-drop measurement, corrosion probes, flush-mounted sampling, and weight-loss studs and flow meters More
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Published: 01 January 2002
Fig. 6 Schematic of a complete energy-dispersive x-ray spectrometer used in electron-probe x-ray microanalysis. Various pulse processing functions and the multichannel analyzer are shown. FET, field effect transistor More
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Published: 15 January 2021
Fig. 12 (a) Schematic showing time-of-flight diffraction (TOFD) inspection geometry across a weld. PCS, probe center separation. (b) Portable system with manual TOFD yoke and transducers. Used with permission of Olympus More
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Published: 15 January 2021
Fig. 15 Instrumented side streams in a mobile trailer, each equipped with flow meters, chemical-injection pumps, pressure transducers, corrosion probes, and flush-mounted studs for sampling surface deposits and weight-loss measurements More
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Published: 30 August 2021
Fig. 35 Portion of an AISI A8 ring forging that cracked (arrows) after forging and annealing. Scale was present on the crack walls to a depth of 13 mm (½ in.) beneath the surface. Note the area that was ground to probe the crack depth. More