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turbine blades

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Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001293
EISBN: 978-1-62708-170-2
... Heat Treating, Volume 4 of the ASM Handbook; see the articles “Boriding (Boronizing)” and “Thermoreactive Deposition/Diffusion Process,” respectively. Blades and vanes made from nickel- and cobalt-base superalloys that are used in the hot sections of all gas turbine engines are coated to...
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
... in the hot sections of aero gas turbine blades to improve creep strength and prolong blade life from creep damage. High-temperature corrosion at aero-operating temperatures does not occur often, but ingestion of sea salt in naval aircraft can result in pitting and molten-salt corrosion and can...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000616
EISBN: 978-1-62708-181-8
... that fractured after 440 h of service, as the result of hot corrosion fatigue. Fracture was abrupt, with three blades being thrown off. See Fig. 841 for a view of the area near the arrow. See also Fig. 840 and 842 . 0.5× Fig. 840 Fracture surfaces of the two broken turbine-rotor blades...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003060
EISBN: 978-1-62708-200-6
... The successful performance of ceramic components has been demonstrated in gas turbine engines. The major efforts have been directed toward turbine rotor development, specifically one-piece rotor/blade components of both radial inflow and axial flow configurations. Test experience in high-speed, high...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003143
EISBN: 978-1-62708-199-3
... max others (each); 0.40 max others (total); 7.35 to 8.35 Al; 0.75 to 1.25 Mo; 0.75 to 1.25 V; bal Ti. Applications requiring high-strength, highly weldable materials with low density. It is presently used for fan blades for gas turbine engines. Ti-6-2-4-2; Ti-6-2-4-2S; Ti-6242; Ti6242S; 6-2-4...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
... valve components, rolling elements and bearings, paper and wire manufacturing, biomedical implants, heat exchangers, adiabatic diesel engines, advanced gas turbines, and aerospace applications. advanced ceramics aerospace applications mineral processing equipment structural applications...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003120
EISBN: 978-1-62708-199-3
... optimum tensile and fatigue properties. At one time, when wrought alloys were used for creep-limited applications, such as gas turbine high-pressure turbine blades, heat treatments different from those used for tensile-limited uses were applied to the same nominal alloy composition to maximize creep...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... deposition coatings to protect turbine components. Shot peening is currently used to improve the mechanical properties of compressor blades, turbine-blade dovetails, and latter-stage turbine-blade airfoils by introducing favorable patterns of residual stress. Although all turbine-blade dovetails are...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003212
EISBN: 978-1-62708-199-3
... sulfidation, can be improved by selective surface treatments. Although the surface normally cannot be made totally independent from the bulk, the demands on surface and bulk properties are often quite different. For example, in the case of a turbine blade for a high-performance jet engine, the bulk of the...
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
... for steam turbines Cr-Mo-V steels 825–975 0.45–0.50 Pressure vessels and piping in nuclear reactors 316 stainless steel 650–750 0.35–0.40 Reactor skirts in nuclear reactors 316 stainless steel 850–950 0.45–0.55 Gas turbine blades Nickel-base superalloys 775–925 0.45–0.60 Burner...
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
... process industries, solids-transport systems are damaged by erosion ( Ref 24 , 38 – 40 ). In the aircraft industry, damage has occurred to aircraft engines ( Ref 18 , 20 , 41 – 43 ). The devices for generation of renewable energy (solar panels, turbines of hydroelectric power stations, windmill blades...
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
... rain erosion of solid materials, gas turbine blades, wind turbine blades, airplane components, and pipe-wall thinning in nuclear/fossil power plants. Because of the fundamental interest in the mechanics of fluids and solids, this topic has been reviewed by Heymann ( Ref 1 ) and Richman ( Ref 2 ) in the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
... diffusion coating are described in the Section “Vacuum and Controlled-Atmosphere Coating and Surface Modification” in this Volume. Shot peening is currently used to improve the mechanical properties of compressor blades, turbine-blade dovetails, and latter-stage turbine-blade airfoils by introducing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... general way, failure may be thought of as loss of function of the part. As an example, failure for a turbine blade within the hot section of an aeroturbine may be defined as the initiation of a microstructurally small crack; failure of the inlet turbine blade in a land-based power-generation turbine may...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003161
EISBN: 978-1-62708-199-3
... alloys are used for lens blocking tube bending, for anchoring chucks and fixtures, and for mounting thin sections such as gas turbine blades for machining. The eutectic fusible alloys, which can be tailored to give a specific melting point find application in temperature control devices and in fire...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... several service-run cast IN-738 nickel-base superalloy gas turbine blades ( Fig. 1 ). Fractographic examination of a fracture surface using scanning electron microscopy (SEM) revealed an intergranular crack surface at the trailing edge ( Fig. 2 ). Comparison with images in an atlas of fracture features...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003219
EISBN: 978-1-62708-199-3
... protection and aluminum and silver as solid lubricants. Electron beam/physical vapor deposition (EB/PVD) is widely used in the gas turbine industry for applying MCrAlY metallic coatings on turbine blades and vanes for oxidation and corrosion protection. Zirconia thermal barrier coatings (TBCs) can also be...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005336
EISBN: 978-1-62708-187-0
... alloying elements results in materials with high incipient melting temperatures. Figure 1 compares the macro grain structures of equiaxed (conventional), directionally solidified, and single-crystal nickel-base alloy turbine blades. Table 2 lists several compositions of DS/SC alloys. Fig. 1...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
... control arms Cast iron, engine Cast cylinder heads and cylinder blocks Sintered powder metal, drive line Sintered powder metal gears and clutch plates Cast titanium, turbine Cast gas turbine blades Forged and machined steel, transmission Machined forged steel transmission gears and shafts...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
... be open to surface. Not useful on porous materials or rough surfaces Turbine blades for surface cracks or porosity; grinding cracks Magnetic particles Leakage magnetic flux caused by surface or near-surface cracks, voids, inclusions, or material or geometry changes Inexpensive or moderate cost...