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separation

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001507
EISBN: 978-1-62708-217-4
... investigation determined that the four-bladed propeller from the left inboard engine had separated in flight, subsequently impacting the left outboard engine, causing its propeller to separate also. Three years later, the left inboard propeller hub was recovered. All four blades had separated through the shank...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001316
EISBN: 978-1-62708-215-0
...Table 1 Results of chemical analysis Table 1 Table 1 Results of chemical analysis Element Composition, % Separator 1 Separator 2 Separator 3 Carbon 0.05 0.05 0.04 Manganese 0.28 0.31 0.27 Phosphorus 0.013 0.012 0.008 Sulfur 0.014 0.015 0.014 Silicon...
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Published: 01 June 2019
Fig. 3 Primary grain boundary separation in ingot slice, etch: Picral. 100 × More
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Published: 01 December 1992
Fig. 2 Transverse diagram of the main rotor blade close to the point of separation, showing the extent of the flat fracture (arrows), the set-back for fairing-in the fiberglass pockets, and the location of strain gages in a prior test program. More
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Published: 01 December 1992
Fig. 3 Fracture surface of the crack in the failed yoke after separation of crack faces. Fatigue crack initiated in bore of pillow-block bushing labeled O. 0.93×. More
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Published: 01 December 1992
Fig. 2 Optical micrographs of grain-boundary separation in the throat section. The hot-gas wall is at the top. (a) Massive deformation forms pinholes. 42.5×. (b) Minimal grain-boundary separation. 85×. More
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Published: 01 December 1993
Fig. 7 Fracture surface in type 310 stainless steel flange, showing separation along columnar dendrite boundaries typical of fusion-zone solidification cracks. More
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Published: 01 December 1993
Fig. 13 Data trace showing blade pitch angle versus time until rotor separation More
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Published: 01 June 2019
Fig. 3 Separation of lower sill flange and rocker panel flange More
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Published: 01 June 2019
Fig. 7 Separation of upper sill (arrow) viewed from under car with rocker panel cut away More
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Published: 01 June 2019
Fig. 3 Intergranular separation in an area of the surface of the hydrogen embrittlement fracture of the type 431 stainless steel mushroom-head closure of Fig. 4 and 5. When viewed in three-dimension, the somewhat rounded separated-grain surfaces show cavities akin to dimples in appearance More
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Published: 01 December 2019
Fig. 7 Separation surface and adjacent concentric groove on interior surface of club face plate at apparent crack origin. (Color figure online) More
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Published: 01 December 2019
Fig. 9 Transition from progressive failure to overload failure on separation surface of club face plate More
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Published: 01 December 2019
Fig. 10 Representative area of overload failure on separation surface of club head crown More
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Published: 01 December 2019
Fig. 13 Metallographic cross section at separation surface through weld in club head crown. (Color figure online) More
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Published: 01 December 2019
Fig. 1 Representative intact and service-fractured pins in the area of separation. Full pins could not be shown due to proprietary geometry. Arrow indicates seal position. Chamber side and head is left of arrow More
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Published: 01 December 1992
Fig. 2 Separated copper cups of the demo and failed units. More
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Published: 01 December 1992
Fig. 3 Piece of wheel flange that fractured and separated from the wheel assembly 0.064×. More
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Published: 01 December 1993
Fig. 1 Overall view of separator 1 More
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Published: 01 December 1993
Fig. 2 Overall view of separator 2 More