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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091330
EISBN: 978-1-62708-234-1
... (217 deg F). Such conditions exist at power plants. Recommendations included repairing the C-276 plates with a 686CPT weld alloy, and if that did not correct the situation, replacing the plates with 686 plate (N06686) welded with 686 CPT. Chlorides Electric power generation Green death...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001709
EISBN: 978-1-62708-229-7
... (367 deg C) and 2935 psi (20.5 MPa), failed near the IK boxes as a result of thermal fatigue. Thermal fatigue damage was accelerated by repetitive exposure to water droplets from the soot blower and the associated rapid cooling. Boilers Electric power generation Tubes ASME SA210-A1 Thermal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
... Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 823 – 860 10.31399/asm.hb.v11.a0003553 Type 440C stainless steel was selected because of its wide industrial usage for similar bearing applications and because of the alloy's mechanical properties and general...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... units belonged to a set of four generators driven by steam turbines, the oldest of which was put into service late in 1951; they were used for peak loads on the main Hydro-Electric Power Commission of Ontario's network, largely supplied by water power. Results of an exhaustive inquiry into these...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001594
EISBN: 978-1-62708-229-7
... tolerate fatigue. Welding Austenitic stainless steel Fatigue fracture Joining-related failures References 1. EPRI Report TR-107455, Electric Power Research Institute. 2. Benac D.J. and Chell G.G. : SwRI Report No. 06-5229-166, Southwest...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001658
EISBN: 978-1-62708-229-7
... Abstract The intermediate pressure (IP) turbine of a thermal generating station is driven by steam from the boiler's reheater. On one particular IP turbine, a thick deposit was found on the insides of the rotor blade shrouds in two instances two years apart. The source of the deposits was not...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048846
EISBN: 978-1-62708-234-1
.... Bending stresses Electric power generation Steam lines Welded joints ASME SA335-P22 Intergranular fracture Creep fracture/stress rupture A main steam pipe was found to be leaking during a start-up after a 1-day shutdown. The leak was a large circumferential crack in a pipe-to-fitting weld in one...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... – 1769 (in Japanese) 10.1299/kikaia.77.1760 58. Keck R.G. , Models and Equations for the Prediction of Erosive-Corrosive Wear in Steam Extraction Piping , Joint ASME/IEEE Power Generation Conf. , 1987 , Pwr-35 59. Keck R.G. and Griffith P. , “ Prediction and Mitigation...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001353
EISBN: 978-1-62708-215-0
... low toughness. It was recommended that fully killed carbon steel with a fine-grain microstructure be used. Redesign of the flap to remove the step in the forging that acted as a notch was also recommended. Electric power generation Forgings Marine environments Weldments Fe-0.10C Fe-0.19C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001661
EISBN: 978-1-62708-229-7
.... The NDT inspections, evaluations, method of field metallography, analysis and conclusions are discussed with recommendations for corrective actions in the following report. Cracking (fracturing) Electric power generation Field metallography Plates (structural members) Welded joints 610Steel...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001045
EISBN: 978-1-62708-214-3
... dezincification-resistant alloy was recommended. Cooling systems Dezincification Hydroelectric power generation Lubrication systems Yellow brass, 65% Cu UNS C27000 Dealloying/selective leaching References 1. Fontana M.G. and Greene N.D. , Corrosion Engineering...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0045911
EISBN: 978-1-62708-230-3
... ultimately caused by the steam. While under normal operation, the steam's purity posed no problem to the material, during boiler cleaning operations, the generating plant had allowed contamination to get into the steam line. Bellows Electric power generation Steam Xray analysis Inconel 600 UNS...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090881
EISBN: 978-1-62708-229-7
... Abstract A power plant using two steam generators (vertical U-tube and shell heat exchangers, approximately 21 m (68 ft) high with a steam drum diameter of 6 m (20 ft)) experienced a steam generator tube rupture. Each steam generator contained 11,012 Inconel alloy 600 (nickel-base alloy) tubes...
Book Chapter

By H. Krafft
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... Abstract Alloy 430 stainless steel tube-to-header welds failed in a heat recovery steam generator (HRSG) within one year of commissioning. The HRSG was in a combined cycle, gas-fired, combustion turbine electric power plant. Alloy 430, a 17% Cr ferritic stainless steel, was selected because of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001669
EISBN: 978-1-62708-229-7
... overtemperature lead specimen approach was taken, whereby failure of a test specimen in the laboratory would precede failures in the plant. These tests revealed approximately a 2:1 difference in life for the base metal as compared to weld metal. Electric power generation Outlet header Superheaters Welded...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001125
EISBN: 978-1-62708-214-3
... Power cables Splicing Transmission lines 1100 UNS A91100 1020 UNS G10200 Ductile fracture (Other, general, or unspecified) corrosion Selected Reference • Becker W.T. and McGarry D. , Mechanisms and Appearances of Ductile and Brittle Fracture in Metals...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... with the principles for failure analysis of material incidents that are less complex than a large-scale accident. The article provides a brief review of some general concepts on the use of modeling which can be a very powerful tool for information pertaining to the reconstruction of an accident where...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048708
EISBN: 978-1-62708-229-7
... water less likely was suggested. Electric power generation Heat exchangers Hydraulic oil coolers Tubes C70600 UNS C70600 Crevice corrosion Leakage from the horizontal heat-exchanger tubes in one of two hydraulic-oil coolers in an electric-power plant occurred after 18 months of service...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... Abstract An air blower in an electric power plant failed unexpectedly when a roller bearing in the drive motor fractured along its outer ring. Both rings, as well as the 18 rolling elements, were made from GCr15 bearing steel. The bearing also included a machined brass (MA/C3) cage and was...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001228
EISBN: 978-1-62708-229-7
... Abstract In an electric power station, seven turbine blades out of 112 broke or cracked within 8 to 14 months after commencement of operation. The blades in question were all located on the last running wheel in the low pressure section of a 35,000 kW high pressure condensing turbine. They were...