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wing spars

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Published: 01 January 2001
Fig. 8 Mating fracture surfaces of an adhesively bonded wing skin and wing spar. ∼0.2× More
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Published: 01 January 1987
Fig. 1027 Surface of a crack in an aircraft wing-spar carry-through forging of aluminum alloy 7075-T6. The crack was discovered during inspection after 5269 h of service and was opened up. The external surface at edge C-C had been machined after forging. The regions marked A contain fatigue More
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Published: 01 June 2016
Fig. 37 Distorted 7050 wing spar improperly racked, resulting in excessive distortion and scrap More
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Published: 01 January 2005
Fig. 5 Wing spar forging with a broken parting line, illustrating the method for measuring angle of draft on web extremities when the parting line is in the forging plane and when it is oblique to the forging plane. Dimensions given in inches. More
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Published: 01 January 2005
Fig. 16 Conventional forging for wing spar root fitting (a), designed with 5° draft on the center rib (b) and designed with shift draft (c). See Example 2. Dimensions in figure given in inches. Item Revised forging Material Aluminum alloy 2014 (a) Heat treatment (temper) T6 More
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Published: 01 December 2008
Fig. 50 Box-shaped wing spar casting in which heavy sections can be easily risered from the top, the two sides, and the two ends. This steel casting demonstrates the rule that areas of increased mass should be restricted to five sides of a basically cubic configuration. More
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Published: 01 December 2008
Fig. 13 A box-shaped wing spar casting in which heavy sections can be easily risered from the top, the two sides, and the two ends. This steel casting demonstrates the rule that areas of increased mass should be restricted to five sides of a basically cubic configuration. More
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Published: 01 January 2002
Fig. 6 Fractographic evaluation for life assessment purposes. (a) Wing spar that had mechanically induced damage at a fastener hole (indicted by an arrow). (b) Plot showing how fracture information is used to establish initial and recurring inspection requirements More
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Published: 01 January 2005
Fig. 6 Titanium alloy wing spar forged in a closed-die using α-β and β forging techniques. The part is 2.8 m (110 in.) long and weighs 262 kg (578 lb) More
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Published: 30 August 2021
Fig. 6 Fractographic evaluation for life assessment purposes. (a) Wing spar that had mechanically induced damage at a fastener hole (indicted by an arrow). (b) Plot showing how fracture information is used to establish initial and recurring inspection requirements More
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Published: 01 January 2001
Fig. 8 Section of failed wing spar More
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Published: 01 January 2001
Fig. 11 Wing spar cross section showing delaminations (arrows) and excessive fiber waviness. 3.5× More
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Published: 30 November 2018
Fig. 28 Distorted 7050 wing spar improperly racked, resulting in excessive distortion and scrap More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003467
EISBN: 978-1-62708-195-5
... deal mainly with structures that exhibit an initial material and/or manufacturing defect or failures that are most prevalent and most easily solved. The components include helicopter rotor blade, composite wing spar, and aircraft rudder. aircraft rudders composite wing spar helicopter rotor...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000621
EISBN: 978-1-62708-181-8
... gear wheel and actuator beam, an aircraft wing spar, a fractured aircraft propeller blade, shot peened fillet, an aircraft lower-bulkhead cap, and clevis-attachment lugs. aircraft components corrosion fatigue fatigue crack propagation fatigue cracks fatigue fracture fatigue striations...
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Published: 30 November 2018
Fig. 16 Large aluminum forgings produced using 50,000-ton hydraulic press at Arconic-Cleveland. (a) Inner wing spar forging for Airbus A380. (b) Single-piece hull forged of aluminum alloy 7020 More
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Published: 01 January 1987
Fig. 974 Top surface of an extruded aluminum alloy 2014-T6 bottom cap of an aircraft wing spar, showing a fatigue fracture (center) that intersected one of the rivet holes indicated by the arrows. Hardness tests near the fracture gave an average value of 85 HRB, which is acceptable. See also More
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006741
EISBN: 978-1-62708-210-5
... Abstract The aluminum alloy 7099 is a Kaiser aluminum high-strength Al-Mg-Zn-Cu alloy with zirconium that offers a less quench-sensitive alloy for properties in thicker sections for airframe structures such as wing ribs, spars, and skins, as well as fuselage frames and floor beams...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
... damage. ∼0.5× Other fracture features can also be indicative of crack growth direction and failure mode. Figure 5 is a photo depicting numerous small cracks found in the resin of a fractured, graphite-epoxy wing spar. These cracks were visually evident and progressed along the length...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 30 January 2024
DOI: 10.31399/asm.hb.v12.a0006848
EISBN: 978-1-62708-387-4
...-wing lower spar cap and subsequent loss of the wing. The spar cap was an AA7075-T6 aluminum alloy extrusion and part of a replacement program that included the right- and left-wing spars and the wing center section of this aircraft. Since their installation, these had accumulated 1904 flights. Figure...