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high pressure turbine blades

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270138
EISBN: 978-1-62708-301-0
... Abstract A high-pressure turbine blade in an aircraft engine failed prematurely, fracturing close to the root. Visual examination revealed significant plastic deformation on the leading edge of the blade, blocky cleavage on the trailing edge, and a region covered with fissures in between. Based...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270067
EISBN: 978-1-62708-301-0
... measurements. fatigue fracture fractography microstructural analysis turbine blades A low-pressure turbine rotor blade failed in service, causing extensive damage to the engine. The blade failed by stress rupture followed by fatigue due to high operating temperature. In an...
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 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 and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... blade retainer, disks, forward outer seals F101 … X … Astroloy High-pressure turbine disks JTSD-17R Turbofan … X … Merl 76 Turbine disks Turbofan … X X Inconel MA-754 Turbine nozzle vane F404 F-18 Fighter … X High- and low-pressure turbine vanes Selected engines … … X...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080249
EISBN: 978-1-62708-304-1
... Industry: Past, Present, and Opportunities for the Future , Surf. Coat. Technol. , Vol 108/109 , 1998 , p 1 10.1016/S0257-8972(98)00642-2 5. Koul A.K. , Immarigeon J.P. , Dainty R.V. , and Patnaik P.C. , Degradation of High Performance Aero-Engine Turbine Blades...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
... temperatures as high as the turbine blades, which has led to widespread use of alloys such as Incoloy 901, Waspaloy, Astroloy, A-286, and Inconel 100. The desire for tight clearances throughout the engine gas path to decrease pressure losses has led to the development of low-thermal-expansion superalloys, such...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
... Metals , 1981 • Holmes D.R. and Rahmel A. , Ed., Materials and Coatings to Resist High-Temperature Corrosion , Applied Science , 1978 • Hot Corrosion Problems Associated With Gas Turbines , STP 421, American Society for Testing and Materials , 1967 • Khanna A.S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... materials. Nickel-base superalloys have the best creep resistance of the superalloys and are used as turbine blades in engines operating at temperatures as high as 1290 °C (2350 °F) or T / T m = 0.9. The microstructure consists of fine Ni 3 Al particles dispersed in an fcc nickel-rich solid solution...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080005
EISBN: 978-1-62708-304-1
... Superalloys ,” Paper No. 88-GT-281, presented at the Gas Turbine and Aeroengine Congress ( Amsterdam, The Netherlands ), June 6–9, 1988 , ASME, 1988 81. Brill U. and Haubold T.I. , Corrosion Behaviour of Some Gas Turbine Alloys under High Velocity Burnt Fuels , Paper No. 522...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300013
EISBN: 978-1-62708-323-2
... surface b that there is an atomic attraction. It is possible to have the real areas of contact so small that surface a “cold welds” to surface b because local contact pressures are that high — so, there can be a cold welding component to friction Fw (w for welding). If the local contact pressures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280011
EISBN: 978-1-62708-267-9
...-resistant nickel-chromium matrix to provide adequate creep-rupture capability. Oxide-dispersion-strengthened alloys are not common. MA-6000 is another such alloy that may have enough strength for a high-pressure turbine blade in aircraft gas turbines. A problem with PC equiaxed airfoils is that the...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
.... 5.6 Polycrystalline cast cobalt-base turbine guide vanes and segments Fig. 5.7 Cast turbine airfoils and other high-integrity investment-cast gas turbine components Fig. 5.8 Polycrystalline cast hollow nickel-base turbine blade of simple cooling geometry shown with cross sections...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280091
EISBN: 978-1-62708-267-9
... of typical steps in the forging of a turbine blade. The high cost of nickel-base superalloys means that forged turbine blades and other components should be produced only by manufacturing methods that maximize material use and minimize postforge machining. In early gas turbine engines, nickel-base...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... impurities and feedwater parameters on high-pressure boiler components. It discusses deposition and scaling, types of corrosion, and carryover, a condition that occurs when steam becomes contaminated with droplets of boiler water. The chapter also covers water treatment procedures, including filtration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460121
EISBN: 978-1-62708-285-3
... high-pressure cold spray coating characterization, including residual-stress characterization. The chapter includes some preliminary screening of tool hardness and bond adhesion strength, as well as a distinction between surface and bulk characterization techniques and their importance for cold spray...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... technology of powder manufacture to support the needs of the growing MIM industry. High-pressure atomization, hybrid gas-water atomization and special gas-atomization techniques ( Chapter 3, “Manufacture and Characteristics of Stainless Steel Powders” ) with good yields of fine (<20 μm) powder now offer a...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... Abstract Fatigue failures occur due to the application of fluctuating stresses that are much lower than the stress required to cause failure during a single application of stress. This chapter describes three basic factors that cause fatigue: a maximum tensile stress of sufficiently high value...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550299
EISBN: 978-1-62708-307-2
...-die forging, the high m values developed in fine-grained gamma titanium aluminide alloys deformed at low strain rates have been used to make parts such as jet engine blades. Forging trials have shown excellent die-filling capability even in complex areas such as blade root sections. The enhanced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... turbine applications generally are exposed to the most demanding combinations of high temperature and stress. Wrought alloys have been used in the past for turbine blades and vanes in aircraft gas turbines. The approximate metal temperature range for airfoils of such alloys, when used, was about 1340 to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
...-containing versions. When elements such as hafnium are present in alloys, they can be transferred to a coating during the diffusion process and enhance the system life. Scale adherence is also a matter of importance, because turbine airfoils (blades and vanes) are subjected not only to very high...