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aircraft engine bearings

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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
..., sulfide stress-corrosion failure, stress-corrosion cracking, and hitch post shaft failure of these steels. The components considered in the article include tail-rotor drive-pinion shafts, pinion gears, outboard-motor crankshafts, bull gears, diesel engine bearing cap bolts, splined shafts, aircraft...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006553
EISBN: 978-1-62708-210-5
... castings 354.0 Premium-strength castings for the aerospace industry 355.0 Sand: air compressor pistons; printing press bedplates; water jackets; crankcases. Permanent: impellers; aircraft fittings; timing gears; jet engine compressor cases 356.0 Sand: flywheel castings; automotive transmission...
Image
Published: 01 January 1990
Fig. 18 Increasing section toughness of bearing materials used for jet engine applications. (a) Trend in aircraft engine main bearing in units of DN , the bearing bore diameter in millimeters multiplied by the rotation of the shaft in revolutions per minute. (b) Estimated inner race More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
... to mechanically fastened joints in metallic structures at some aircraft factories. While this might be attainable for virgin structures, the higher bearing stress needed to reduce the net- section stresses inevitably results in the earlier initiation of fatigue cracks at the fastener holes. In the presence...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003485
EISBN: 978-1-62708-195-5
... turbine engines. In one case, such efforts are still underway, and it is not certain whether a successful insertion will result. Nonetheless, fiber-reinforced titanium has been specified as bill of material in an actuator piston rod for a nozzle actuator in the F119 engine for the F-22 aircraft...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003455
EISBN: 978-1-62708-195-5
... be applied to the Kevlar/ and fiberglass/epoxy fairings on this and other aircraft. The techniques are applicable to such components on virtually all subsonic aircraft, except for those in proximity to the engines. Consider the MD-80 composite spoiler. The basic exterior skin consists of four layers...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002392
EISBN: 978-1-62708-193-1
... Abstract This article describes two analysis methods that are used to determine the life of aircrafts: fatigue life and fracture mechanics methods. The life limiting factors that control the durability of the aircraft are also discussed. The article provides an overview of the various...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001024
EISBN: 978-1-62708-161-0
...). The line at 58 HRC indicates the maximum service temperature at which a basic dynamic load capacity of about 2100 MPa (300 ksi) can be supported in bearings and gears. Source: Ref 9 An important application of the high-temperature bearing steels is aircraft and stationary turbine engines. Bearings...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003458
EISBN: 978-1-62708-195-5
... steps for an engineering repair approach to effectively restore structural integrity to damaged composite components. Management, validation and certification of repairs are also discussed. The article presents the design guidelines for analyzing the damage and possible strategies for making a repair...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001261
EISBN: 978-1-62708-170-2
... aluminum skins and frames for adhesive repair of damaged skins Aircraft engine components: sulfamate nickel on high-temperature nickel alloys used as a prebrazing operation for second-stage turbine vanes, blades, and stator segments; also used for restoration of bearing area on turbine exhaust case...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 2024
DOI: 10.31399/asm.hb.v12.a0006844
EISBN: 978-1-62708-387-4
... of a failure analysis investigation. The author was part of the crash-site engine investigation team. The Lockheed Martin C-130 Hercules is a large, four-engine, turbine-powered aircraft that has been in continuous production and service for nearly 70 years. With such a long production run, the C-130 has...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003476
EISBN: 978-1-62708-195-5
... materials for the design and fabrication of aerospace structural components, particularly in aeropropulsion. Components being fabricated range from small, compression-molded bearings to large, autoclave-molded aircraft engine cowls and ducts. Processing technology and baseline materials data are also being...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006412
EISBN: 978-1-62708-192-4
... A B 83 12 Connecting-rod and main bearings for aircraft reciprocating engines (a) Bearing performance characteristics rated on scale A through F, where A is highest (best) and F is lowest (poorest). (b) Corrosion resistance refers to corrosion by fatty acids of the kind that can form...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
...) or vacuum arc remelting (VAR). However, steel from these secondary refining processes is still required for bearings in high-reliability applications, such as aircraft engines. The bearing industry has used through-hardened material, such as 52100, for ball bearings since early introduction in Europe...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004131
EISBN: 978-1-62708-184-9
.... , On the Mechanisms of Interaction between Corrosion and Fatigue Cracking in Aircraft Aluminum Alloys , Structural Integrity in Aging Aircraft , AD- Vol 47 , American Society of Mechanical Engineers , 1995 , p 159 – 169 19. Duquette D.J. , “Mechanisms of Corrosion Fatigue of Aluminum Alloys,” NTIS...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003477
EISBN: 978-1-62708-195-5
... for extended range twin engine operations. The composite utilization for the 777-200 is shown in Fig. 8 . Excluding the payload (interiors), each aircraft contains approximately 7450 kg (16,400 lb) of carbon- and fiberglass-composite material; 71% of this amount is carbon reinforced. The majority...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004119
EISBN: 978-1-62708-184-9
... matters: military specifications and standards; corrosion of military facilities; ground vehicle corrosion; armament corrosion; design, in-process, and field corrosion problems; high-temperature corrosion/oxidation; military aircraft; engines and turbine blades in naval environments; protective coatings...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003099
EISBN: 978-1-62708-199-3
... be supported in bearings and gears An important application of the high-temperature bearing steels is aircraft and stationary turbine engines. Bearings made from M50 steel have been used in engine applications for many years. Jet engine speeds are being continually increased in order to improve...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001014
EISBN: 978-1-62708-161-0
... to Aerospace Material Specifications published by the Society of Automotive Engineers. Typical examples of parts for aircraft engines and airframes made from bars covered by AMS specifications are given in Table 6 . Specifications and grades of alloy steel bars for aircraft parts Table 6 Specifications...
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...