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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001296
EISBN: 978-1-62708-215-0
... microscope and/or a borescope. Aircraft components Airplanes Bearing steel Control valves Electric discharge machining Engine components Low-cycle fatigue 52000 Fatigue fracture Metalworking-related failures Brittle fracture Background A steel relay valve guide component operating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001473
EISBN: 978-1-62708-229-7
... and the supply were connected to the works' busbars by separate circuit breakers. Protection for the alternator was provided by circulating current, negative phase sequence, and reverse power relays. A synchronising relay was provided to prevent the alternator from being synchronised out of phase...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001487
EISBN: 978-1-62708-234-1
... fibre sheet inter-coil insulation. This expedient proved successful and gave time to enable arrangements to be completed for a rewind at a more convenient time. However, shortly before the intended shutdown date, the rotor earth fault relay operated and, at the same time, a slight increase...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001732
EISBN: 978-1-62708-218-1
... at the impact and retaining tab. A chemical analysis revealed that the link contained the proper carbon content. Analysis of the link structure on a metallograph revealed that the link had not been stress relieved as required. This information was relayed to the vendor, who instituted corrective action...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... require the use of a particular relay valve because of their physical layout. The relay valve directs and releases air, depending on signals from the driver's brake pedal, trailer brake controls, and the integrity of the air system. An inspection of the valve from the accident trailer showed that a small...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
... trailers require the use of a particular relay valve because of their physical layout. The relay valve directs and releases air, depending on signals from the driver’s brake pedal, trailer brake controls, and the integrity of the air system. An inspection of the valve from the accident trailer showed...