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gas turbine engine components

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001758
EISBN: 978-1-62708-241-9
... at carbides and other microconstituents, especially in single crystal castings that do not possess grain boundaries. gas turbine engine components creep deformation overheating nickel-base superalloy interdendritic stress-rupture fracture stress-rupture testing stress-rupture life Cast nickel...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001757
EISBN: 978-1-62708-241-9
... metallurgy and failure analysis of gas turbine engine components . GEAE ROKAF Training Book , pp. 117 – 124 ( 2006 ). Selected References Selected References • Fatigue Failures , Failure Analysis and Prevention , Vol 11 , ASM Handbook , Becker W.T. and Shipley R.J. , Ed., ASM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... on. Methods that combine synergistic effects of the various damage mechanisms are scarce. Gas Turbine Engine Component Operating Conditions Because operating temperatures range from ambient to above 1205 °C (2200 °F), gas turbine engine components are made of a variety of metals. Steels and titanium...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... Annual Meeting , 1997 20. Pridemore W. , Stress-Rupture Characterization in Nickel-Based Superalloy Gas Turbine Engine Components , J. Fail. Anal. Preven. , Vol 8 , June 2008 , p 281 – 288 10.1007/s11668-008-9140-y 21. Dieter G.E. , Evaluation of Workability for Bulk...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... significant financial implications related to the high capital cost of the gas turbines themselves and the considerable value of lost production in the wake of an engine failure. This article focuses on common failures of the components associated with the flow path of industrial gas turbines. Examples...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001756
EISBN: 978-1-62708-241-9
... – 699 . https://doi.org/10.31399/asm.hb.v11.a0003543 Military gas turbine engines operate at extremely severe operating conditions with high throttle excursion and under arduous environmental conditions. This often leads to premature failures of engine components and turbine blades in particular...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001827
EISBN: 978-1-62708-241-9
... cause catastrophic failure, which is hard to avoid if it is not detected and addressed at an early stage. The examples presented in this study illustrate that hot corrosion in gas turbine engines occurs in different components of the turbine section and can affect both stationary and rotating...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
.... Navy Fig. 31 Different views of possible calcium-magnesium-alumino-silicate attack on a shipboard turbine blade under the platform in a marine gas turbine engine. Source: Ref 235 . Courtesy of U.S. Navy Fig. 32 Effect of sea salt (SS) and sodium sulfate mixture on calcium-magnesium...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003568
EISBN: 978-1-62708-180-1
... turbines ( Ref 18 , 19 , 20 , 21 ), land-based gas turbines ( Ref 21 , 22 , 23 ), solids transport systems ( Ref 17 , 24 , 25 , 26 , 27 , 28 ), cyclones ( Ref 17 , 28 , 29 , 30 ), valves ( Ref 17 , 31 , 32 ), and inlet nozzles ( Ref 33 ). In the oil and gas industry, choke valves are damaged...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... effects of erosion have caused problems in a number of industries. In the power-generation industry, erosion damage has occurred to boiler tubes and waterwalls ( Ref 2 – 16 ), steam turbines ( Ref 17 – 19 ), land-based gas turbines ( Ref 20 – 22 ), solids-transport systems ( Ref 16 , 23 – 27 ), cyclones...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001657
EISBN: 978-1-62708-227-3
... of the fractured surface of a high temperature turbine engine component, the use of a surface cleaning treatment is generally necessary to remove some of the adherent oxidation and/or corrosion products formed during service. Techniques such as ultrasonic cleaning and/or repeated replica cleaning are usually...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001830
EISBN: 978-1-62708-241-9
...Abstract Abstract An 18-MW gas turbine exploded unexpectedly after three hours of normal operation. The catastrophic failure caused extensive damage to the rotor, casing, and nearly all turbo-compressor components. Based on their initial review, investigators believed that the failure...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001829
EISBN: 978-1-62708-241-9
...Abstract Abstract An investigation was conducted to better understand the time-dependent degradation of thermal barrier coated superalloy components in gas turbines. First-stage vanes are normally subjected to the highest gas velocities and temperatures during operation, and were thus the focus...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090114
EISBN: 978-1-62708-229-7
... applying the specially designed methods given in this case study to estimate the metal temperature and stresses in order to predict the life of turbine blades under similar operating conditions. Gas turbine engines Grain boundaries Stress and strain analysis Thermal stresses Turbine blades...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001281
EISBN: 978-1-62708-215-0
... chemicals vaporized before they reached the stage 1 HPT nozzles. The highest-boiling-point constituent boils at roughly 315 to 370 °C (600 to 700 °F). The engine was also washed each time it was taken off-line for maintenance. The gas turbine was brought up to cranking speed with the starter and injected...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... Conference and Exhibition , 1 Nov 1991 ( Harrogate, U.K. ), The Institution of Diesel and Gas Turbine Engineers 67. Barry D. , Meelu M.C. , McMordie B.G. and Kircher T.A. , Enhancing Performance of Silicon-Modified Slurry Aluminides on Turbine Components Operating in Marine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
.... Structured organization of mechanisms should be performed specifically for individual component systems because terminology and characteristics of similar damage mechanisms will vary from system to system. For example, LCF in gas and steam turbines indicates thermal cycling from unit startups and shutdowns...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0090030
EISBN: 978-1-62708-217-4
... analysis Gas turbine engines Microcracking Phase transformations Rotors Titanium Fatigue fracture Brittle fracture In 1989, a United Airlines DC-10 in transit from Denver to Chicago experienced failure of the center engine. The titanium compressor disk burst and severed the hydraulics...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001081
EISBN: 978-1-62708-214-3
... Analysis Simulation Tests Critical gas turbine rotating components, such as compressor disks, spacers, cooling plates, and turbine disks, are subjected to cyclic stresses during engine startup and shutdown, as well as major throttle excursions during flight maneuvers. The cyclic stresses can exceed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001748
EISBN: 978-1-62708-225-9
.... To prevent reoccurrence, specific inspection criteria were issued defining maximum limits for spline wear. A procedure and requirements were specified for installing the coupling and pinion gear at the next overhaul. Gas turbine engines Inspection Pinions Specifications Splines AMS 6470 UNS...