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Wrought superalloys

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250073
EISBN: 978-1-62708-287-7
... ,” Trans. Am. Soc. Met. , Vol 27 , 1939 Selected References Smith C.S. , Ed., Sorby Centennial Symposium on the History of Metallurgy , Gordon and Breach Science Publishers , New York , 1963 The earliest record of making steel by melting wrought iron and carbon together is...
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, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040257
EISBN: 978-1-62708-300-3
..., which also increases the capital investment in isothermal forging. Nickel-base superalloys were developed for superior elevated-temperature strength and creep resistance. Therefore, they are difficult to process in the wrought form. Highly alloyed cast and wrought superalloys have a very narrow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040115
EISBN: 978-1-62708-300-3
... materials such as Waspaloy, the nickel-base superalloy used for many turbine disk applications. The hammer is an energy-restricted machine. During a working stroke, the deformation proceeds until the total kinetic energy is dissipated by plastic deformation of the material and by elastic deformation of the...
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
... 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.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, the...
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 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
.... Consequently, nickel-iron alloys are used only in the wrought condition ( Ref 1 ), because this manufacturing method offers a wide variety of mechanisms for controlling grain size and morphology. In addition to their high toughness, another advantage of nickel-iron-base superalloys is their lower cost due to...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
... high-strength, high-temperature-resistant superalloys soared with the introduction of the gas turbine engine for aircraft applications. Iron-nickel-base superalloys were developed further as wrought materials, new cobalt-base superalloys were invented and brought to market, while both wrought and cast...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280001
EISBN: 978-1-62708-267-9
... alloys generally used at temperatures above about 1000 °F (540 °C). The iron-nickel-base superalloys such as the popular alloy IN-718 are an extension of stainless steel technology and generally are wrought. Cobalt-base and nickel-base superalloys may be wrought or cast, depending on the application...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
.... Jiang W.H. , Yao X.D. , Guan H.R. , and Hu Z.Q. , Secondary M 6 C Precipitation in a Cobalt-Base Superalloy , J. Mater. Sci. Lett. , Vol 18 , 1999 , p 303 – 305 23. Microstructure of Wrought Heat-Resisting Alloys , Atlas of Microstructures of Industrial Alloys , Vol 7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... from a hot corrosion test, are shown in Fig. 13.3 . Fig. 13.3 Uncoated nickel-base superalloy erosion test bars after 899 °C (1650 °F) isothermal hot corrosion test. Left to right: cast Udimet 700, wrought Udimet 700, Waspaloy, IN-100, B-1900, MAR-M-246, INCO 728, and MC 102 Weight...
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
... 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...
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 1. Quigg R.J. , Tantalum’s...
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 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... and consolidation processes were adapted so as to produce the kinds of wrought powder disk components now in use in the aircraft gas turbine field. Many compositions of the best-known P/M superalloys are basically similar to the cast alloys but are manufactured similarly to wrought alloys. The...
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
... turbine inlet temperature had risen to 780 °C (1450 °F), which precluded the use of conventional austenitic stainless steels. This led to the first use of superalloys in GTEs, represented by the wrought Rex-78, which was essentially a heavily modified or “super”-alloyed stainless steel ( Ref 3 ). The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... cast single-crystal nickel-base superalloys, so carbides and borides may be minimal in the microstructure. As noted previously, γ′ precipitate particles can be found in spherical or cuboidal shapes in the grains of superalloys. In cast alloys, eutectic γ′ is possible. In early wrought γ′-hardened...