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relays

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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
... of elongated holes, which were precision machined by the electrodischarge process ( Fig. 1 ). A steel relay valve guide component operating in the fuel supply system of a transport aircraft broke into two pieces during flight. The valve guide was manufactured from SAE 52000, a high-carbon chromium ball...
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
... of main gear wheel and one rim after the accident. The alternator 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...
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
.... This information was relayed to the vendor, who instituted corrective action to permit adequate annealing of all subsequent experimental links. Had this been a production component, quality control would have been altered so that they could initiate reasonable processing controls. Fig. 5 Actuating link...
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...