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aircraft 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
... 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 chrome...
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Published: 01 January 1987
Fig. 1077 Portion of a broken aircraft landing-gear actuator beam of Al alloy 7079-T6, showing stress-corrosion fractures (at arrow). 0.17× More
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Published: 01 January 1987
Fig. 413 Surface of a low-cycle fatigue fracture in an aircraft landing-gear cylinder made of AISI 4340 steel that was hardened and tempered to a tensile strength of 1793 to 1931 MPa (260 to 280 ksi). The cylinder was stressed in the laboratory to its tensile strength four times and broke More
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Published: 01 December 1998
Fig. 3 Aluminum alloy 7079-T6 aircraft landing-gear actuator beam fractured because of stress-corrosion cracking (a) Portion of a broken aircraft landing-gear actuator beam of aluminum alloy 7079-T6, showing stress-corrosion fractures (at arrow). See also (b) to (f). Photograph. 1 6 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 1987
Fig. 968 Pieces of the hub of a forged aircraft main-landing-gear wheel half, which broke by fatigue. The material is aluminum alloy 2014-T6. Tensile specimens from elsewhere in the wheel had tensile strength of 493.7 MPa (71.6 ksi) and 8.9% elongation in the transverse direction, and tensile More
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Published: 01 January 1987
Fig. 1004 An aluminum alloy 7075-T736 aircraft main landing gear forging, similar to that described in Fig. 1002 and 1003 , which was shot peened on its inner-diameter surface to enhance fatigue resistance. The shot-peened part withstood cycles far beyond the number required for acceptance More
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Published: 01 January 1997
Fig. 4 Taxi simulations that predict loads from the landing gear into the aircraft 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
...-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 of flash...
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Published: 01 January 1987
Fig. 1070 TEM p-c replica of the surface of an intergranular fracture in an aircraft landing-gear component of forged aluminum alloy 7075-T6 that fractured as the result of stress-corrosion cracking. Note the secondary cracks between the grains. 1000× More
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Published: 01 January 1987
Fig. 112 Fatigue fracture through a region of unfavorable grain flow and large inclusions in an aircraft landing-gear axle forged from AISI 4340 steel. Several fatigue crack origins were found in region A. Numerous small discontinuous marks nearly perpendicular to the direction of crack More
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
.... 966 : 83×. Fig. 967 : 108× Fig. 966 Fig. 967 Fig. 968 Pieces of the hub of a forged aircraft main-landing-gear wheel half, which broke by fatigue. The material is aluminum alloy 2014-T6. Tensile specimens from elsewhere in the wheel had tensile strength of 493.7 MPa (71.6 ksi...
Series: ASM Handbook Archive
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...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001377
EISBN: 978-1-62708-173-3
... by forge welding include high-alloy steels, nickel-base alloys, cobalt-base alloys, aluminum alloys, titanium alloys, and tungsten. Applications of this process include welding rods, bars, tubes, rails, aircraft landing gear, chains, and cans. The forge welding process is competitive with flash welding...
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Published: 01 January 1987
Fig. 1074 Side view of a piece of fractured aluminum alloy 7079-T6 bogie beam of an aircraft main landing gear. The fracture surface is at top, in profile. The very straight edge at lower right is a saw cut that was made to separate the fracture area from the remainder of the beam More
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Published: 01 January 1987
Fig. 499 Fatigue fracture in an AISI 6150 steel spring leg of an aircraft main landing gear, heat treated to a minimum tensile strength of 1550 MPa (225 ksi) and a hardness of 49 HRC. Visual inspection of the fracture surfaces showed that the fatigue crack originated at the location marked 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...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
... of the ASM Handbook , 2021. Case Study 18: Failure Analysis of Nose Undercarriage Retraction Jack Support Studs An incident occurred when the nose landing gear of an aircraft was retracted during landing roll. Postincident examination revealed that two studs of the nose undercarriage retraction jack...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003101
EISBN: 978-1-62708-199-3
... for engines; and landing gear and other critical structural members for aircraft. Properties Through-hardening of 4340 steel can be done by oil quenching, for round sections up to 75 mm (3 in.) in diameter, and by water quenching, for larger sections (up to the limit of hardenability). Typical...
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...