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Turbine blade steel

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Published: 01 January 2002
Fig. 9 Two portions of a modified type 403 stainless steel steam turbine blade damaged by liquid impingement erosion. The portion at left was protected by a shield of 1 mm (0.04 in.) thick rolled Stellite 6B brazed onto the leading edge of the blade; the portion at right was unprotected More
Image
Published: 15 January 2021
Fig. 9 Two portions of a modified type 403 stainless steel steam turbine blade damaged by liquid impingement erosion. The portion at left was protected by a 1 mm (0.04 in.) thick shield made of rolled Stellite 6B brazed onto the leading edge of the blade; the portion at right was unprotected More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004155
EISBN: 978-1-62708-184-9
... with 12Cr stainless steel ( Ref 16 ). Marginally designed LP turbine blades have been replaced by better designs with reduced vibration excitation and with blades without tenon-to-shroud crevices (with integral shroud sections) ( Ref 2 , 3 , 6 ). Mixed-tuned blade rows are being used for longer blades...
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
... versus the time. More information is presented later in this article. Fig. 4 Examples of thermal-mechanical fatigue cracking and oxidation in a first-stage turbine blade Metallurgical Instabilities Metallurgical instabilities form when superalloy turbine blades and steel tubes or piping...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004133
EISBN: 978-1-62708-184-9
... boilers, such as ferritic steels, austenitic steels, and nickel-base alloys. It provides information on the materials used in turbine applications such as ferritic rotor steels, turbine blade alloys, and bolting materials. The article explains various factors influencing steamside corrosion in SC power...
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
... these features. The majority of HCF cracking in turbomachinery failures is transgranular, although intergranular propagation has been observed where corrosion is active. Intergranular HCF cracking has been observed in steam turbine blades manufactured from 400-series stainless steel forgings, which may have...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... accumulate in a relatively short time, as illustrated by deep erosion in a stainless steel overlay on a carbon steel blade in a Francis turbine after about 7000 h ( Fig. 6 ), and erosion completely through a carbon steel impeller in a 5000 hp pump after about 20,000 h ( Fig. 7 ). A previous repair...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005738
EISBN: 978-1-62708-171-9
... ( Fig. 6 ) and can be sprayed to different hardness levels by spray parameter adjustment ( Ref 19 ). These coatings are suited for rub incursions against steel and nickel alloy blades, knives, and labyrinth seal strips such as those used in steam turbine balance piston applications ( Ref 20...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004158
EISBN: 978-1-62708-184-9
... International Corrosion in the Combustor and Turbine Sections The materials commonly found in the combustor and turbine sections are superalloys and stainless steels. Nickel-base superalloys are typically used for combustor liners, transitions, blades, vanes, shrouds, and sometimes disks because...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005737
EISBN: 978-1-62708-171-9
... airfoils. Design requirements are reviewed and compared between aerospace and power generation coatings. Application process improvement areas are also discussed as a method of reducing component cost. aerospace engines combustors gas turbines high-power turbine blades high-pressure compressors...
Image
Published: 01 January 2002
Fig. 10 Surface appearance at low magnification of a steam turbine blade eroded by water droplets. (a) 12% Cr steel blade material. (b) Stellite 6B shield More
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001051
EISBN: 978-1-62708-161-0
... ), The Metallurgical Society , 1984 , p 220 – 221 29. Khan T. , Caron P. , Fournier D. , and Harris K. , “Single Crystal Superalloys for Turbine Blades: Characterization and Optimization of CMSX-2 Alloy,” Paper presented at the 11th Symposium on Steels & Special Alloys for Aerospace...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006428
EISBN: 978-1-62708-192-4
... with key components and examples of wear. Source: Ref 2 , 3 , 4 . (b) Fretting damage location on dovetail joint, Courtesy of Lambda Technologies Group. (c) Microcracks on dovetail joint, Courtesy of Lambda Technologies Group. (d) Droplet erosion of 403 martensitic stainless steel. (e) Blade tip showing...
Image
Published: 01 January 2002
Fig. 6 Deep cavitation erosion of austenitic stainless steel weld overlay on a carbon steel turbine blade. Courtesy of T.J. Spicher More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006378
EISBN: 978-1-62708-192-4
.... This last remedy has been accomplished by local laser treatment, induction or flame hardening of the blade material, by brazed-on shields of Stellite, or, in some cases, by shields of tool steel or weld-deposited hardfacing. The evaluation and prediction of steam turbine blade erosion is very complex...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007019
EISBN: 978-1-62708-439-0
... development of a 13 m (43 ft) wind turbine blade mold using AM ( Fig. 3 ) by Oak Ridge National Laboratory (ORNL) in collaboration with Sandia National Laboratories, TPI Composites, and National Renewable Energy Laboratory (NREL) ( Ref 23 ). At that time, several benefits were identified that would justify...
Image
Published: 01 January 2002
Fig. 9 Joint area between Stellite 6B (top) and 12% Cr steel (bottom) of a steam turbine blade eroded by water droplets More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004124
EISBN: 978-1-62708-184-9
... Abstract High-temperature exposure of materials occurs in many applications such as power plants (coal, oil, natural gas, and nuclear), land-based gas turbine and diesel engines, gas turbine engines for aircraft, marine gas turbine engines for shipboard use, waste incineration, high-temperature...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... favorable patterns of residual stress. Although all turbine-blade dovetails are peened with steel shot, glass beads are sometimes favored over metallic shot in other shot-peening applications. Metals Handbook Desk Edition, Second Edition Copyright © 1998 ASM International® J.R. Davis, Editor, p 1170-1171...
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Published: 01 December 2008
Fig. 5 Some aircraft and aerospace applications for investment castings. (a) Single-crystal turbine blades investment cast using complex ceramic cores. Courtesy of Pratt and Whitney Aircraft. (b) 17-4-PH stainless steel fan exit case; weight: 96 kg (212 lb). Courtesy of Precision Castparts More