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Wrought superalloys

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Published: 01 March 2002
Fig. 12.33 Selected wrought superalloys compared 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 June 2008
Fig. 30.3 Stress-rupture comparison of wrought superalloys. Source: Ref 2 More
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Published: 01 November 2007
Fig. 3.59 Dynamic oxidation resistance of several wrought superalloys including MA956 alloy in high-velocity combustion gas stream (170 m/s) at 1100 °C (2010 °F) with 30 min cycles. Source: Ref 83 More
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Published: 01 March 2002
Fig. 12.30 1000 h rupture strength of selected wrought nickel-base superalloys vs. temperature More
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Published: 01 February 2005
Fig. 20.13 Yield strengths of some wrought nickel-base superalloys, with H-11 being included for comparison [ International Nickel Co., 1977 ] 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 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
... 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.t61280091
EISBN: 978-1-62708-267-9
... Abstract This chapter discusses the similarities and differences of forging and forming processes used in the production of wrought superalloy parts. Although forming is rarely concerned with microstructure, forging processes are often designed with microstructure in mind. Besides shaping...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... decisions. It discusses the basic concepts of fusion welding and the differences between solid-solution-hardened and precipitation-hardened wrought superalloys. It addresses joint integrity, design, weld-related cracking, and the effect of grain size, precipitates, and contaminants. It covers common fusion...
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 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 several...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... special circumstances, a rafted microstructure can be produced. Microstructure, particularly its γ′ characteristics, affects mechanical properties more than it affects physical properties. The volume fraction ( V f ) of γ′ generally is about 0.2 or less in wrought iron-nickel-base superalloys but may...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
... cannot form a protective alumina scale. Another highly effective strengthening precipitate, body-centered tetragonal γ″-Ni 3 Nb, forms in alloys that contain niobium. The most widely known such alloy is Inconel 718, a highly weldable superalloy, which accounts for 35 percent of total wrought...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... Overheating, in the broad sense, consists of exposing a metal to excessively high temperatures for short periods of time. “Excessive” is a relative word. For some alloys, exceeding 1200 °F (649 °C) can be considered excessive temperature. Allowable metal temperatures for wrought superalloys in structural...
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 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 from Ref 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
... Abstract This appendix provides composition data and application-related information on a wide range of superalloys in both wrought and cast form. chemical composition superalloys Compositions compiled from Ref 1 to 16 . References References 1. Quigg R.J...
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Published: 01 March 2002
Fig. 14.12 First-stage turbine blades of a wrought nickel-base superalloy showing cracks (arrows) caused in the leading edge by TMF More
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Published: 01 March 2002
Fig. B.2 Wrought U-700 nickel-base superalloy after 816 °C (1500 °F) for 3000 h, showing acicular sigma phase growing from blocky MC carbide. Coarsened γ′ also visible. 4000× More
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Published: 01 March 2002
Fig. B.5 Wrought U-500 nickel-base superalloy after 871 °C (1600 °F) for 1000 h showing overaged γ′ in γ and γ′ envelopes surrounding M 23 C 6 in grain boundary. 10,000× More
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Published: 01 March 2002
Fig. B.6 Wrought IN-718 nickel-base superalloy after 871 °C (1600 °F) for 7300 h at 469 MPa (68 ksi) showing δ at grain boundary, γ′ (cuboids) and γ″ (disks) in grains. The specimen was electropolished and etched with methanolic 10% HCl. More