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Landing gear

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Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005739
EISBN: 978-1-62708-171-9
... used base metals in airframe structures. This article summarizes the results of materials and component testing. It also presents a cost/benefit analysis of HVOF WC/17Co and WC/10Co4Cr coatings on aircraft landing gear components. aircraft landing gears corrosion cost assessment fatigue hard...
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Published: 01 January 2005
Fig. 8 (a) Failed steel landing gear cylinder and (b) aluminum alloy landing gear cylinder of composite design. Both were forged with a solid core, straight parting line, and flash; fracture failures occurred in both in the plane of the flash line. Dimensions given in inches More
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Published: 30 August 2021
Fig. 35 Landing-gear spring, 6150 steel, that broke during a hard landing. (a) Configuration and dimensions (given in inches) of the spring. (b) Fractograph showing fatigue crack that initiated the brittle fracture; magnification, 7× More
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Published: 01 January 2005
Fig. 7 Boeing 757 main landing gear beam forged of alloy Ti-6Al-4V using three available closed-die forging methods (blocker type, conventional, and high definition); see Fig. 8 . The part weighs 1400 kg (3000 lb) and has 1.71 m 2 (2650 in. 2 ) plan view area (PVA); it is 498.3 mm (19.62 More
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Published: 01 January 2005
Fig. 2 Conventional forging for landing gear support beam fittings, with ribs and webs designed to enhance rigidity and with end bosses designed for load support. Dimensions given in inches More
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Published: 01 January 2005
Fig. 28 Conventional steel landing gear door actuator hinge forging that was designed with tooling pads to facilitate machining. See Example 5 . Dimensions in figure given in inches Item Conventional forging Material Cr-Mo steel (a) Heat treatment (b) Mechanical More
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Published: 01 January 2005
Fig. 10 Inboard and outboard landing gear wheel forgings, produced in magnesium, aluminum, and titanium alloys, respectively. See Table 2 for design data. See also Example 4. Dimensions given in inches More
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Published: 01 January 2005
Fig. 11 Truss forging for airframe nose landing gear wheel well fitting, shown in plan and sectional views. See Example 5 . Dimensions in figure given in inches Item Conventional forging Material and temper Aluminum alloy 2014-T6 Forging equipment 445 MN (50,000 tonf) press More
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Published: 01 January 1993
Fig. 17 Oxyacetylene welding of aircraft landing gear support. Use of OAW reduced HAZ hardness and eliminated need for postweld tempering. Measurements shown in schematic are in inches. Welding rod  Type RG60  Diameter, mm (in.) 2.4 ( 3 32 ) Torch type Injector Tip More
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Published: 01 January 1997
Fig. 4 Taxi simulations that predict loads from the landing gear into the aircraft More
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Published: 01 January 1997
Fig. 5 Landing gear mechanism geometry changes significantly during taxi or landing More
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001366
EISBN: 978-1-62708-173-3
... flash-welding applications, including chain links, transmission bands, automotive flywheel ring gears, aircraft landing gear, band-saw blades, and crankshaft counter weights. It describes the components of a typical flash-welding machine. The article provides information on the electrical controls...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000612
EISBN: 978-1-62708-181-8
... of aircraft main landing gears, and aircraft engine mount beams. aircraft main landing gear fatigue fracture fractograph high-pressure compressors intergranular fracture intergranular stress-corrosion cracking precipitation-hardening stainless steel tension-overload fracture Fig. 720...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000621
EISBN: 978-1-62708-181-8
...-landing 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: 01 January 2005
Fig. 9 Examples of large complex forgings with straight parting lines. (a) Crown fitting. (b) Landing gear support beam. Dimensions given in inches More
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Published: 01 January 2005
Fig. 11 Largest closed-die titanium alloy forging ever manufactured, a Boeing 747 main landing gear beam. Area, 4 m 2 (6200 in. 2 ); weight, 1630 kg (3600 lb). Part was produced on a 450 MN (50,000 tonf) hydraulic press. Dimensions given in inches More
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002442
EISBN: 978-1-62708-194-8
... the mechanism performance due to changes in mass properties of the part. This in turn may require another iteration in the stress analysis. However, loads are only part of the need for prediction of the behavior of a mechanism. Example 2: Simulation to Predict Loads in Aircraft Landing Gear The first...
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Published: 01 January 2005
Fig. 4 Two pierced and extruded seamless (flashless) forgings. Table lists mechanical properties of test coupons taken from the locations shown in the illustration. Dimensions given in inches Test Results for Main Landing Gear Cylinder, Part(a) Test specimen Tensile strength Yield More
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Published: 01 January 2005
Fig. 20 Side and end views of solid (a), and pierced and reverse extruded (b), conventional landing gear cylinder forgings. Test-coupon locations for the pierced and extruded forging are shown. See Table 3 for properties. See also Example 14. Dimensions in figure given in inches Item More
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005732
EISBN: 978-1-62708-171-9
... and Environmental Barrier Coatings (TBCs/EBCs) for Turbine ldquo;Thermal Spray Technology Growth in Gas Turbine Applications” “Abradable Thermal Spray Applications and Technology” “Replacement for Hard Chromium Plating on Aircraft Landing Gear” “Automotive Coatings and Applications” “Biomedical Coatings...