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low pressure turbine discs

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270168
EISBN: 978-1-62708-301-0
... due to the shearing of the screws that hold it in place. They also provided recommendations to remediate the problem. locking screws low pressure turbine discs macrostructural evaluation SEM fractography visual examination Summary Background Visual Examination of General Physical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.9781627083010
EISBN: 978-1-62708-301-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120139
EISBN: 978-1-62708-269-3
... qualification costs exceeded the technical benefit. Ti-6Al-2.75Sn-4Zr-0.4Mo-0.45Si, UNS: none, TiMetal 1100 and Ti-1100 Ti-1100 was developed for high temperature use up to 600 °C (1100 °F). High-pressure compressor discs, low-pressure turbine blades, automotive valves Ti-2.5Cu, UNS: none, IMI 230 IMI...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
.... and Smith J.S. , Inconel Alloy 783: An Oxidation-Resistant, Low Expansion Superalloy for Gas Turbine Applications , J. Eng. Gas Turbines Power , Vol 120 ( No. 2 ), 1998 , p 363 10.1115/1.2818131 10. Heck K.A. , Smith D.F. , Holderby M.A. , and Smith J.S. , Three-Phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040069
EISBN: 978-1-62708-428-4
... engine. Typical locations for abradable application include the fan, low pressure compressor, and high pressure compressor sections. Figure 1 Cutaway view of a PW2000 engine. The yellow highlights are typical locations for abradable coatings. Photo courtesy of Pratt & Whitney, www.pw.utc.com...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.9781627084284
EISBN: 978-1-62708-428-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... replacement. Another example involves the SSME high-pressure oxidizer turbopump discussed earlier. A mechanic called me over to look at a turbopump that was being disassembled. One of the parts in the top portion of the turbopump that was used to cool the turbine disc had a series of cracks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.9781627083324
EISBN: 978-1-62708-332-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320103
EISBN: 978-1-62708-332-4
.... 7.7 c, d, and e) causes low pressure areas that tend to aspirate air. The gating system of ferrous alloys is essentially a pressurized system with the sprue area > the runner area > the gate areas. The pressurized system helps to reduce low-pressure pockets and compensates for the loss...
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
... and radial turbine that could produce 11 hp at a turbine inlet temperature of approximately 400 °C (750 °F) ( Ref 3 ). This comparatively low temperature permitted the use of austenitic stainless steels as structural materials, which had been discovered in the 1910s and quickly became the first choice...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320305
EISBN: 978-1-62708-332-4
... with or without corrosion include oil and chemical industries, thermal and gas turbine power plants, jet engines, and oil and natural gas industries. These applications require high-alloy steels. Low-temperature and cryogenic applications also need high alloying to maintain strength and impact strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120005
EISBN: 978-1-62708-269-3
.... Titanium usage may increase for advanced gas turbines, but there are not that many new turbines in the works, and there is a tendency to look for “low-cost” materials/components for newer designs. Airframes represent a large-volume application for titanium, and titanium usage for airframes increased...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730139
EISBN: 978-1-62708-283-9
... into molds of high-temperature ceramics. Aluminum may be cast into sand or iron molds. Low-melting-point metals (aluminum, magnesium, and zinc) may be die cast. In die casting, metal is forced into a metal mold that automatically opens and ejects the part as soon as it is frozen. The production rate...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
... print intensity is influenced by the composition of the sulfide inclusions. Both of the sulfur-printed discs shown contain 0.06% sulfur, but the print on the left is very light because most of the sulfides contain considerable chromium and are low in manganese content. The sulfides in the disc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320163
EISBN: 978-1-62708-332-4
... for Austenitic Ductile Iron Castings for Pressure-Containing Parts Suitable for Low-Temperature Service, and A897/A897 M-06 (2011), Standard Specifications for Austempered Ductile Iron Castings (detailed in Chapter 10 , “ Engineering Austempered Ductile Iron Castings ,” in this book). Table 9.3 ( Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... that are moving much more slowly. Almost all the work done on this subject has been in connection with just two major problems: “moisture erosion” of low-pressure steam turbine blades operating with wet steam, and “rain erosion” of aircraft or missile surfaces and helicopter rotors. Wet steam erosion-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320031
EISBN: 978-1-62708-332-4
... and performance characteristics. 4.5 Iron-Carbon Carbide-Silicon Equilibrium Diagram of Cast Irons The carbon content of steel is relatively low compared with that of cast iron. Steel is considered to be binary iron-carbon alloys. Cast iron contains appreciable amounts of silicon in addition to carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
... in the wrought form. Highly alloyed cast and wrought superalloys have a very narrow processing window. The new, even higher-alloy-content powder metallurgy (P/M) materials are even more temperature and strain-rate sensitive and require a low strain-rate superplastic forging condition to avoid abnormal structure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... rate (A) vs. actual (B) test rig and engine hot corrosion rates for a nickel-base superalloy turbine airfoil Fig. 13.16 Schematic illustration of the temperature and gas compositions over which hot corrosion propagation is important. Note the high rate shown at low temperatures by the gas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320217
EISBN: 978-1-62708-332-4
... Wear-resistant components for ground engaging and ore processing Corrosion-resistant components for fluid handling and corrosion resistance at high temperature High- and low-temperature–resistant components for the gas turbine, chemical, and oil industries Fig. 12.8 Steel casting...