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Turbogenerators

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001725
EISBN: 978-1-62708-229-7
... Abstract Another failure in a turbogenerator, similar to the accidents in Toronto described in Metal Progress in July 1956, was due to the presence of fatigue cracks at ventilating holes. These acted as stress-raisers during temporary and minor overspeeding, inducing an almost instantaneous...
Image
Published: 01 June 2019
Fig. 1 Schematic diagram of a turbogenerator oil cooler with Admiralty brass tubes. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046874
EISBN: 978-1-62708-229-7
... Abstract The safety valve on a steam turbogenerator was set to open when the steam pressure reaches 2400 kPa (348 psi). The pressure had not exceeded 1790 kPa (260 psi) when the safety-valve spring shattered into 12 pieces. The steam temperature in the line varied from about 330 to 400 deg C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001521
EISBN: 978-1-62708-229-7
... Abstract Admiralty brass (Alloy C44300) cooling tubes which were part of a heat exchanger in a turbogenerator that provided electricity to a manufacturing plant failed. A mixture of non-recirculating city and “spring pit” water flowed through bundles of tubes to cool the oil in which...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001076
EISBN: 978-1-62708-214-3
... system at appropriate locations were recommended. Electrostatic fields Gas pipelines Static electricity Thrust bearings Turbogenerators Silver (Other, miscellaneous, or unspecified) failure Background The silver layer on a thrust bearing face in a power turbine experienced...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
... of a cadmium plating and operating temperatures at approximately the melting point of cadmium. It was recommended that components exposed to the cadmium be replaced. Cadmium, coatings Electroplates Steam electric power generation Steam pipes Steam turbines Turbogenerators ASTM A193 grade B Surface...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001110
EISBN: 978-1-62708-214-3
... the temperature fluctuations of the inner surface. Electric power generation Fatigue failure Steam turbines Turbogenerators 321 UNS S32100 Thermal fatigue fracture Background A stainless steel tube in a power-generating turbine failed after 19,000 h in service. Applications The 44.5 mm...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001447
EISBN: 978-1-62708-235-8
... of low melting point eutectics or corrosion; show a similar appearance when investigated on a macroscopic scale. Conductors (devices) Plate metal Turbogenerators Copper Hydrogen damage and embrittlement This article originally appeared in the issue of “Der Maschinenschaden” for December...