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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001710
EISBN: 978-1-62708-229-7
... Abstract Aluminum-clad spent nuclear fuel is stored in water filled basins at the Savannah River Site awaiting processing or other disposition. After more than 35 years of service underwater, the aluminum storage racks that position the fuel bundles in the basin were replaced. During...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001216
EISBN: 978-1-62708-217-4
... Abstract Countersunk riveted joints in aluminum sheet are widely employed in the aircraft industry. The preparation of the sheet for the riveting process consists either of countersinking where the sheet is sufficiently thick or of dimpling. Metallographic assessment of dimple defects...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001455
EISBN: 978-1-62708-234-1
... Abstract Aluminum alloy BS.1476-HE.15 by virtue of its high strength and low density finds application in the form of bars or sections for cranes, bridges, and other such structures where a reduction in dead weight load and inertia stresses is advantageous. Bars and sections in H.15 alloy...
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Published: 01 June 2019
Fig. 9 Aluminium nitride precipitates in transmission lacquer replica. 40 000 × More
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Published: 01 June 2019
Fig. 19 EDX spectrum showing aluminium as a constituent in the residue at the pit. Al-containing pigment has been applied. More
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Published: 01 December 2019
Fig. 2 Plots of crack-velocity versus stress-intensity factor for an aluminium alloy (7075-T651) [ 12 ], a titanium alloy (Ti 8%Al 1%Mo 1%V) [ 13 ] and a high-strength steel (D6aC) [ 14 ], tested in liquid mercury at 20 °C More
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Published: 01 December 2019
Fig. 29 Macroscopic views of crimped nickel–aluminium–bronze hydraulic couplings after the ASTM mercurous-nitrate residual-stress test showing longitudinal and circumferential cracks ( arrowed ). Note silvery colouration owing to the presence of liquid mercury [ 38 ] More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001096
EISBN: 978-1-62708-214-3
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001106
EISBN: 978-1-62708-214-3
... with Vilella's reagent. 950×. Fig. 6 Stain etch using hot Murakama's reagent. Dark coloration indicates presence of carbides. 950×. Abstract Three radiant heating element tubes from an aluminum holding furnace failed after a few months of service. One side of each of the tubes had...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001369
EISBN: 978-1-62708-215-0
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001691
EISBN: 978-1-62708-234-1
... Abstract The Advanced Photon Source (APS) is a state-of-the-art synchrotron light source. The storage ring vacuum chamber is fabricated from 6061 extruded aluminum. Water connections to the vacuum chambers that were fabricated from 3003 aluminum had developed water leaks, which were...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001329
EISBN: 978-1-62708-215-0
... Fig. 2 Dealuminized area from valve body Abstract Various aluminum bronze valves and fittings on the essential cooling water system at a nuclear plant were found to be leaking. The leakage was limited to small-bore socket-welded components. Four specimens were examined: three castings...
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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001546
EISBN: 978-1-62708-217-4
... Defect in Fig. 4 at higher magnification. Cracking around the aluminum-manganese phase is apparent. ×1000. The presence of interconnecting microcracks between adjacent discontinuities supported the hydrogen blistering diagnosis. It should be pointed out that no evidence of overheating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001522
EISBN: 978-1-62708-235-8
... Abstract In the EMD-2 Joint Directed Attack Munition (JDAM), the A357 aluminum alloy housing had been redesigned and cast via permanent mold casting, but did not meet the design strength requirements of the previous design. Mechanical tests on thick and thin sections of the forward housing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001640
EISBN: 978-1-62708-235-8
... Abstract A new supplier for aluminum die castings was being evaluated, and the castings failed to meet the durability test requirements. Specifically, the fatigue life of the castings was low. Initial inspection of the fatigue fracture surfaces revealed large-scale porosity visible to the naked...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001734
EISBN: 978-1-62708-234-1
... Abstract An aircraft engine in which an in-flight fire had occurred was dismantled and examined. A bracket assembly fabricated from 2024 aluminum, one of several failed components, was of prime interest because of apparent heat damage. Scanning electron microscopy was used to compare laboratory...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
...ICP chemical analysis results (wt.%) Table 1 ICP chemical analysis results (wt.%) Element C95800 ICP location #1 ICP location #2 Copper 79.0 min 81.5 Bal. Aluminum 8.5–9.5 8.36 9.6 Nickel a 4.0–5.0 3.88 4.2 Iron a 3.5–4.5 4.28 4.3 Manganese 0.8–1.5...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001334
EISBN: 978-1-62708-215-0
... Fig. 1 SEM micrographs. (a) Outside surface. (b) Inside surface Abstract Leaks developed at random locations in aluminum brass condenser tubes within the first year of operation of a steam condenser in a nuclear power plant. One failed tube underwent scanning electron microscopy...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001366
EISBN: 978-1-62708-215-0
... Magnesium 2.51 2.1–2.9 Titanium 0.01 0.20 (max) Iron 0.16 0.50 (max) Aluminum bal bal Fig. 11 Scanning electron micrograph of fracture surface from fatigue specimen excised from impeller, showing typical high-cycle fatigue morphology for aluminum alloys tested in air. 266...