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Cast superalloys

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Published: 01 March 2002
Fig. 12.48 Stress for 1000 h rupture life of selected PC cast superalloys of (a) and (b) nickel-base superalloys, (c) cobalt-base superalloys More
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Published: 01 March 2002
Fig. 3.4 Typical operating microstructures of representative superalloys. (a) Cast cobalt-base alloy. 250×. (b) Cast nickel-base alloy. 100×. (c) Wrought (left, 3300×) and cast (right, 5000×) nickel-base alloys. (d) Two wrought iron-nickel-base alloys (left, 17,000×); IN-718 (right, 3300 More
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Published: 01 March 2002
Fig. 12.52 100 h rupture strength of selected PC cast nickel-base superalloys vs. temperature More
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Published: 01 February 2005
Fig. 20.14 Yield strengths of several cast and wrought nickel-base superalloys [ International Nickel Co., 1977 , and Simmons, 1971 ] More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170290
EISBN: 978-1-62708-297-6
..., and the corresponding effect on properties and microstructure. It also covers mechanical alloying and weldability and includes nominal composition data on many wrought and cast superalloys. superalloys mechanical alloying Cast superalloys Composition High-temperature alloys Wrought superalloys...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280135
EISBN: 978-1-62708-267-9
..., and practical considerations, including heating and cooling rates for wrought and cast superalloys and combined treatments such as solution annealing and vacuum brazing. annealing precipitation hardening stress relieving superalloys Introduction Why Heat Treat? All superalloys, whether...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000133
EISBN: 978-1-62708-313-3
...Abstract Abstract This appendix provides tensile property and stress-rupture data for wrought and cast superalloys at various temperatures. stress-rupture strength superalloys ultimate tensile strength, yield strength, tensile elongation All tables and the figure were reproduced...
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
...Abstract Abstract This chapter discusses the application of investment casting to nickel- and cobalt-base superalloys. It describes the production of polycrystalline and single crystal castings, the materials normally used, and the part dimensions and tolerances typically achieved. It explains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... exceed 0.6 in nickel-base superalloys. The γ″ phase is disk-shaped. There are insufficient alloy compositions to provide knowledge of a range for V f γ″ in γ″-hardened alloys. The microstructure for components of fixed chemistry is established by prior processing (casting, forging, etc., and heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
... and brought to market, while both wrought and cast nickel-base superalloys became the predominant alloys of choice for the most strength-critical applications. The development of vacuum melting technology for superalloys provided for a quantum leap in capability. Oxygen (and nitrogen) reduction enhanced...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
...Abstract Abstract Superalloys are nickel, iron-nickel, and cobalt-base alloys designed for high-temperature applications, generally above 540 deg C. This chapter covers the metallurgy, composition, and properties of cast and wrought superalloys. It provides information on melting, heat treating...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280365
EISBN: 978-1-62708-267-9
... This appendix includes selected references on topics related to the production and application of superalloys, including properties and microstructure; melting/ingot breakdown; forging/powder metallurgy; machining, heat treating, joining, refurbishment/repair; investment casting; coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... by the metal and time at temperature. Nickel-base and cobalt-base superalloys generally have incipient melting temperatures above about 2150 °F (1175 °C). Table 14.1 gives some melting and γ′ solvus temperatures for a few wrought superalloys. Table 14.2 gives similar limited information on cast...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280011
EISBN: 978-1-62708-267-9
...Abstract Abstract This chapter provides basic materials selection information for iron-nickel-, nickel-, and cobalt-base superalloys. It discusses mechanical and physical properties, the effect of service temperature, and the comparative strengths of wrought and cast product forms. It includes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
...Abstract Abstract This chapter discusses the effect of composition on environmental resistance, machinability, and casting and forging, factors that are often considered when selecting a superalloy. environmental resistance materials selection superalloys THE EFFECT OF COMPOSITION...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
EISBN: 978-1-62708-267-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... gamma double prime gamma prime microstructure superalloys Groups, Crystal Structures, and Phases Superalloy Groups As noted earlier, there are three groups of superalloys (iron-nickel-, nickel-, and cobalt-base), which are further subdivided into cast and wrought (where wrought includes...
Image
Published: 01 March 2002
Fig. 12.53 Scatterbands for IN-738 PC cast nickel-base superalloy with and without HIP using Larson-Miller parameter (P LM ). Note: P LM = T (C + log t ) where C = Larson-Miller constant, T = absolute temperature, t = time in h. For this plot, C = 20, T = °R More
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Published: 01 March 2002
Fig. 12.56 Typical tensile properties of MAR-M-200 superalloy for PC cast and CGDS cast longitudinal direction. UTS, ultimate tensile strength; YS, yield strength; RT, room temperature More
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Published: 01 March 2002
Fig. 15.5 Increases in temperature-strength capability of cast nickel-base superalloys for airfoils of large utility gas turbines as a function of year of availability (about 1950–1990). Results referenced to IN-738, showing advances for polycrystalline (PC), columnar grain (CG), and single More