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gas-turbine wheel

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
...-9DL Turbine and super-charger wheels, industrial gas turbine blades, casings, afterburner components Low cost. High strength, corrosion, and oxidation resistance up to 677 °C (1250 °F) A-286 GTE blades, vanes, shafts, tail cones, afterburners, springs and fasteners, automotive components Good...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280189
EISBN: 978-1-62708-267-9
..., disks (wheels), and related components of gas turbines. The successful broaching of superalloys requires careful consideration of broach design, broach material, and technique. The following points are important: Broach design that provides ample clearance for swarf Good rigidity of the machine...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
.... For example, in the case of a turbine blade for a high-performance jet engine, the bulk of the material must have sufficient creep resistance and fatigue strength at the service temperature to provide an acceptably safe service life. On the other hand, the surface must possess sufficient resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... Impact wear on the striking face of a carpenter’s hammer Fig. 4.31 Impact wear on the striking face of a bronze machinist’s hammer Abstract Abstract This chapter covers common types of erosion, including droplet, slurry, cavitation, liquid impingement, gas flow, and solid particle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
..., rolling-contact bearings, and bridge bearings. Factors Affecting the Severity of Fretting Corrosion Fretting decreases the fatigue life of parts operating under fatigue loading. Gas turbines experience this problem with clamped joints and shrink-fitted parts. These parts are subjected to high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
... at 912 °C (1674 °F). In superalloys, both iron and cobalt are stabilized by the addition of nickel to retain an fcc crystal structure throughout the gas turbine engine (GTE) application temperature range. 2.1 Nickel-Iron-Base Alloys 2.2 Cobalt-Base Superalloys 2.3 Nickel-Base Superalloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460277
EISBN: 978-1-62708-285-3
...Abstract Abstract This chapter focuses on high-pressure cold spray applications pertaining to repair and refurbishment in the aerospace, oil and gas, and power-generation industries, the last specifically involving repair of gas turbine components. Advantages of cold spray coating in the repair...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... temperatures, °C Homologous temperatures, T / T m Rotors and piping for steam turbines Cr-Mo-V steels 550–700 0.45–0.50 Pressure vessels and piping in nuclear reactors 316 stainless steel 375–475 0.35–0.40 Reactor skirts in nuclear reactors 316 stainless steel 575–675 0.45–0.55 Gas...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... As mentioned previously, a finished oil is a base oil or a blend of base oils plus additives. Additives can make up from 1 to approximately 15% of the volume of the finished oil. Turbine oils, for example, usually contain less than 2% additives. As mentioned in the introduction, oils have been used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
...  Nonlubricated, such as fasteners, nuts, and bolts Rolling:  Lubricated, such as roller bearings and gears  Nonlubricated, such as wheels on tracks Liquid or vapor impingement on metals Wet steam, such as turbines Combustion gases, such as gas turbines Water, such as pump impellers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280011
EISBN: 978-1-62708-267-9
... consist of the following components. Fig. 2.5 Schematic of gas turbine engine showing principal sections and the general operating temperatures related to section position A power train in which there are: Shafts (which are turned by) Disks or wheels (attached to the shafts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
...Abstract Abstract Gas turbine disks made from nickel-base superalloys are often produced using powder metallurgy (P/M) techniques because the alloy compositions normally used are difficult or impractical to forge by conventional methods. This chapter discusses the P/M process and its...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... the embrittled material. The problem was solved by pickling the tubing in 20% nitric acid to remove the zinc before welding. Example 4. Insufficient Fatigue Strength A single-crystal nickel-base superalloy was developed for gas turbine airfoil operations. The root attachment areas of blades made...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... of the turbine. Accurate life-assessment techniques can help avoid such occurrences. Components which operate in the creep regime include combustor baskets (liners), transition pieces, turbine nozzles (vanes), blades (buckets), and turbine disks (wheels). These are the components in the hot-gas path...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480353
EISBN: 978-1-62708-318-8
... Gas Turbine Engines Competitive Comparison Airframes, Missiles, and Space Vehicles Fasteners and Springs Corrosion Resistance Hostile Environments Mechanical and Physical Properties Physical Properties Chlorine Chemicals and Solutions Chlorine Gas Halogen and Halide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... for electron beam or laser localized surface hardening. The same can be said of diffusion heat treatments. In a survey of 800 commercial heat treating shops in the United States and Canada ( Ref 1 ), 70% offered carburizing services, of which: 48% offered gas atmosphere carburizing 19% offered pack...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
...—but brittle surfaces tend to fracture under high-velocity impacts. Liquid droplet erosion seems to be a problem limited to power generation devices such as steam and gas turbines and to jet engines. Turbine blades are at the heart of these tribosystems, and most are made from special high-strength materials...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... Solid Particle Erosion Abrasive Loop Contact (ASTM G174) Scratch Testing (ASTM G171) Taber Abraser Sandpaper Drum Test (ASTM G132) Dry Sand/Rubber Wheel Test (ASTM G65) High-Stress Abrasion Tests (ASTM B611) Jaw Crusher (ASTM G81) Polishing The four-ball ( Fig. 5.27f...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... a part as close to the finished shape as possible. Forged products include crankshafts for car engines, adjustable wrenches, hammers, rotors for steam turbines, and landing gear components for aircraft. Drop Forging and Press Forging Open-Die Forging Closed-Die Forging Roll Forging Radial...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170587
EISBN: 978-1-62708-297-6
... and some specialized alloys, are used in application such as the following: Rods and tapes for geodetic surveying Compensating pendulums and balance wheels for clocks and watches Moving parts that require control of expansion, such as pistons for some internal-combustion engines Bimetal strip...