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aircraft extrusion parts

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001546
EISBN: 978-1-62708-217-4
...-T3 Sheet The failure was discovered during what at first appeared to be a fairly routine investigation of a failed component of an aircraft nacelle longeron. The longeron assembly was constructed of Alclad 2024, some parts being in the T3 condition, others in the T42 condition. Several...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001024
EISBN: 978-1-62708-214-3
..., showing the shape of the extrusion and the epoxy attachment to part of a pocket. Because this helicopter was designed for use by the U.S. military, its survivability under hostile fire was a design concern. The main rotor blade was designed to withstand hits, and a system was included that would...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001707
EISBN: 978-1-62708-217-4
... Abstract The failures of two aircraft components, one from a landing gear and the other from an ejector rack mechanism, were investigated. Both were made from PH 13-8 Mo (UNS S13800) precipitation-hardening stainless steel which had been heat treated to the H1000 and H950 tempers respectively...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... to 315 °C (600 °F), which is the highest service temperature of any polymeric material. Polyimide parts are fabricated by conventional injection, transfer, extrusion, and compression molding methods. Applications include aerospace and electronics, and polyimides are making inroads into the industrial...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... Fig. 1 Notched impact strength versus flexural modulus of acrylonitrile-butadiene-styrene Abstract Manufacturing process selection is a critical step in plastic product design. The article provides an overview of the functional requirements that a part must fulfil before process selection...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... to ensure more uniform quenching (so that transformation to 100% martensite was accomplished on all parts), the problem was solved. Example 4: Bending of an Aircraft-Wing Slat Track. A curved member called a slat track ( Fig. 10 ), which supported the extendable portion of the leading edge...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... that transformation to 100% martensite was accomplished on all parts), the problem was solved. Example 4: Bending of an Aircraft-Wing Slat Track A curved member called a slat track ( Fig. 10 ), which supported the extendable portion of the leading edge of the wing on a military aircraft, failed by bending...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006868
EISBN: 978-1-62708-395-9
... Fig. 1 The plastic part development process can be simplified to a three-step process. 1. Acquire the background information on the materials, the processes, and the tooling to support the processes. 2. Create the solution for the “need” and the “user.” 3. Implement the solution...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... Abstract Materials selection is closely related to the objectives of failure analysis and prevention. This article briefly reviews the general aspects of materials selection as a concern in both proactive failure prevention during design and as a possible root cause of failed parts. Coverage...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
... parts. It discusses the overall concept of design and describes the role of the materials engineer in the design and materials selection process. The article highlights the significance of materials selection in both the prevention and analysis of failures. failure analysis failure prevention...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing, extrusion, straightening, sizing, etc.). These metalworking operations have a twofold purpose...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006927
EISBN: 978-1-62708-395-9
... in easier processing and higher quality finished parts. Wall thickness transitions should be as gradual as possible, and the thickness in areas where there are intersecting walls must be kept in mind. One of the most efficient plastic processes, profile extrusion, is commonly used in applications...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... modest cost. In contrast, the useful service life of a product such as an aircraft part may be carefully planned in advance and managed accordingly with routine inspections and maintenance, which may increase in frequency over time. In many cases, avoiding failures beyond a certain predetermined desired...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
..., and controlled. Nothing lasts and functions forever. For some products, consumers may prefer a shorter life at a more modest cost. In contrast, the useful service life of a product such as an aircraft part may be carefully planned in advance and managed accordingly with routine inspections and maintenance, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... by erosion ( Ref 34 , 35 , 36 , 37 ). In the petrochemical industry, process control valves ( Ref 37 ) and power recovery turbines ( Ref 18 , 38 ) are damaged by erosion. In chemical process industries, solids transport systems are damaged by erosion ( Ref 25 , 39 , 40 , 41 ). In the aircraft industry...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... metal during cooling and the restraint imposed by the adjacent metal and welding fixtures is a source of residual stresses and a possible condition for SCC failures. Example 4 in this article describes a failure from SCC due in part to residual stresses and improper weld procedures. Following...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... parts are also discussed. The article concludes with a discussion on the influence of metallurgical factors and fabrication practices on the fatigue properties of materials, as well as the effects of surface coatings. abrasive wear adhesive wear axial fatigue bending fatigue brittle fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
...-value heavier hydrocarbons, called natural gas liquids (NGL), from the methane. Mercury at the parts per billion (ppb) level was produced with the natural gas and normally was removed by adsorption beds upstream of the cryogenic plant. After some years of operation, a leak was detected in the area...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
..., solids-transport systems are damaged by erosion ( Ref 24 , 38 – 40 ). In the aircraft industry, damage has occurred to aircraft engines ( Ref 18 , 20 , 41 – 43 ). The devices for generation of renewable energy (solar panels, turbines of hydroelectric power stations, windmill blades, etc.) also suffer...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... shafts are more an integral part of a machine and transmit motion directly, such as in crankshafts. Complex machine shafts can convert reciprocating motion into rotational motion and vice versa. Shafts operate under a broad range of service conditions, including dust-laden or corrosive atmospheres...