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Air intakes

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0047072
EISBN: 978-1-62708-217-4
...Abstract Abstract Postflight inspection of a gas-turbine aircraft engine that had experienced compressor stall revealed that the engine air-intake bullet assembly had dislodged and was seated against the engine-inlet guide vanes at the 3 o'clock position. The bullet assembly consisted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001399
EISBN: 978-1-62708-220-4
... working stresses would be greatest. The compressor intake was situated in the vicinity of nitric acid pumps which had a history of leakage troubles, and which had evidently given rise to the nitrates found on the impeller. Air compressors Chlorides Corrosion environments Impellers Nitric acid...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001304
EISBN: 978-1-62708-215-0
... solidification cracks. The joints had been produced using the mechanized gas-metal arc welding process. Cracking was attributed to improper control of welding parameters, and failure was attributed to weld defects. Air intakes Corrosion-resistant steels Diffusers Exhaust systems Low-cycle fatigue...
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
... records Study of engine sortie before this failure Visual examination of the engine air intake, inlet guide vanes, and external casing [ 4 ] State of the engine rotor on hand rotation Measurement of tip clearance followed by strip examination. Engine was strip examined in detail...
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
... Fig. 25 Effect of p SO 2 on Na 2 SO 4 -induced corrosion at 700 °C (1290 °F). 2.5 ppm atmospheric SO 2 can greatly accelerate hot corrosion over that in clean air conditions. With Na 2 SO 4 salt deposit, the catalyzed O 2 -0.1%SO 2 atmosphere causes accelerated attack at 700 °C by forming CoSO...
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
... occur in combustion if sodium and sulfur are present in the compressor intake air, fuel, and/or water used in various turbine processes (washing, compressor inlet fogging, injection in combustion). Turbines operating in seaside or offshore applications can have an ample source of sodium from sea mist...
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
...Abstract Abstract The circumstances surrounding the in-service failure of a cast Ni-base superalloy (Alloy 713LC) second stage turbine blade and a cast and coated Co-base superalloy (MAR-M302) first stage air-cooled vane in two turbine engines used for marine application are described...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001082
EISBN: 978-1-62708-214-3
... and 30 ksi), respectively Thirty rotating beam specimens were prepared for fatigue testing: 15 from a failed type 304L impeller and 15 from a nickel-aluminum-bronze impeller. The effects of performing the fatigue test in air were compared with the effects of circulating fluid that is identified...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
... Fig. 1 Metallic debris observed on airport runway. Source: Ref 7 , 8 . Courtesy of National Transportation Safety Board Fig. 2 Air France Flight 4590 during takeoff. Source: Ref 7 , 8 . Courtesy of National Transportation Safety Board Fig. 3 Diagram indicating...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... oxides. 155× Steam Bubbles Steam bubbles result from exposure of any liquid metal to moisture. Moisture in the air, in gases of combustion, in furnace and ladle linings, and in mold materials provides sources of steam bubbles. Whatever the source, the entrained water is released...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... ferrite. (b) Normalized at 925 °C (1700 °F) for 8 h, air cooled, tempered at 670 °C (1240 °F) for 2 h, air cooled. Structure: 25% fine pearlite, 75% primary Tensile test results for alloy LM6M (BS 1490) from failed sprocket drive wheel Table 8 Tensile test results for alloy LM6M (BS 1490...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... material above the scaling temperature is contacted by air. The result is a migration of chromium into the surface scale, leaving underlying material depleted and susceptible to corrosion. Removing the heat-tinted scale and underlying surface by pickling, electrochemical cleaning, or mechanical grinding...