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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001649
EISBN: 978-1-62708-234-1
... at the time of re-torque and at the time of initial torque application several years earlier. Aerospace fasteners Fractography Ti-6Al-4V UNS R56406 Ductile fracture As in many industries, aerospace systems and components are subject to time-dependent degradation. The ongoing structural...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... the progress in developing these fully probabilistic approaches ( Ref 24 ). Fig. 9 Role of NDE, as quantified by probability of detection (POD), in fully probabilistic life management Non-Aerospace Applications Most of the examples given in the previous section were taken from the aerospace...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... UNS S45500 Fatigue fracture Stress-corrosion cracking Mechanical springs go into a variety of aerospace systems where both efficiency and reliability are required. Typical applications range from the control of switching characteristics of miniature switches to the deployment of missile fairing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001030
EISBN: 978-1-62708-214-3
...-corrosion cracking Background Cracks were discovered between interference-fit fasteners (MoS 2 -coated Ti-6Al-4V) that had been incorporated into a fighter aircraft primary structural frame (D6ac steel) to enhance structural fatigue life. Applications Modern fighter aircraft structures often...
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
... thermoplastics are presented for comparison. Finally, the properties and applications of six common thermosets are briefly considered. chemical properties chemical structure electrical properties mechanical properties optical properties thermal properties thermoplastics thermosets...
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
... (S13800), 15-5 PH (S15500), 17-4 PH (S17400), Custom 450 (S45000), Custom 455(S45500). The martensitic alloys only require a single step heat treatment to obtain maximum strength. Of these alloys, PH 13-8 Mo has often been specified for aerospace applications requiring high strengths (i.e...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006929
EISBN: 978-1-62708-395-9
... of the DSC method is its failure to give measurable T g s for resins with a very high cross-link density, such as the epoxy resins which are utilized in aerospace applications. Differential scanning calorimetry (DSC) comparison of glass transition temperature (<italic>T</italic><sub>g</sub>) results from...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001299
EISBN: 978-1-62708-215-0
... for cracks during periodic maintenance overhauls. Aerospace engines Airplanes Nonmetallic inclusions 4340 UNS G43400 Fatigue fracture Background A steel piston engine crankshaft in a transport aircraft failed catastrophically during flight. Applications The massive, complex-shaped...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
.... The wear had been caused by incorrect machining of the shaft splines, which prevented the bevel gear nut from locating correctly against the gear. Aerospace engines Aircraft components Bevel gears Drives Engine components Jet planes Military planes Splines 16 NCD 13 Fretting wear...
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
... be an emulative process, whereby a successful design is adapted for a similar but separate service application. Emulative design assumes that the new intended service is analogous, that the materials and processing are the same, and that the knowledge of the prior design is complete. Using prior design...
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
.... This article cannot detail the many particulars of materials selection, because every industry or component application has many specific requirements, guidelines, or procedures, some of which may be mandated by federal or state statute. Therefore, coverage is more conceptual with general discussions...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... Abstract This article provides a discussion on the structural ceramics used in gas turbine components, the automotive and aerospace industries, or as heat exchangers in various segments of the chemical and power generation industries. It covers the fundamental aspects of chemical corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... in 1974, and, through several revisions, became the basic approach for analyzing a system. Initially, FMEAs were used primarily as a safety analysis on the system hardware after the design was nearly complete. This application meant that any problems uncovered by the analysis were likely...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... cost of a fastener failure. Adequate testing is the most practical method of guarding against failure of a new fastener system for a critical application. The designer must not extrapolate existing data to a different size of the same fastener, because larger-diameter fasteners have significantly lower...
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 ductility, fatigue life, and fracture toughness. The metal-producing industry attempts to control nonmetallic inclusions, but inclusions cannot be removed with complete assurance. In demanding applications, inclusion shape-control methods are used to produce inclusions predominately with a spherical...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... Abstract Tribology is the study of contacting materials in relative motion and more specifically the study of friction, wear, and lubrication. This article discusses the classification and the mechanisms of friction, wear, and lubrication of polymers. It describes the tribological applications...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... materials. The inspection of these components is substantially different from that of later fiber-reinforced material systems. It was the rapid growth of the composites industry, in both material types and applications, that spawned the need for effective nondestructive evaluation (NDE) methods...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001706
EISBN: 978-1-62708-217-4
... , ( 1990 ) 6. Military Specification MIL-C-16173E , Corrosion Preventive Compounds-Solvent Cutback Cold Application, (1993) 7. Military Handbook 5F , Metallic Materials &amp; Elements for Aerospace Vehicle structures, Vol.1 , pp 2 –31 to 2– 51 ( 1990 ) Selected References Selected...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001028
EISBN: 978-1-62708-214-3
... fracture was caused by engine vibrations during operation of the aircraft. Fracture characteristics indicated that the fatigue would not have occurred if the initial damage had not taken place. Aerospace engines Engine components Gas turbine engines Lubrication systems Tanks Tearing 321 UNS...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
.... The spectrometer uses the Spark Analyzer Vision Software and is well suited for applications like die cast or injection molding and for standard requirements in steel or non-ferrous foundries, as well as in multi-matrix applications. Following the spectrometer reading, mechanical compression tests were completed...