1-20 of 125 Search Results for

superalloy forgings

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040247
EISBN: 978-1-62708-300-3
... Abstract This chapter discusses the development and use of microstructure models for optimizing superalloy forging operations. It describes how the processes that control grain structure evolution during hot working were used in model formulation and compares predicted microstructures with...
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 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 in the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... such as IN-MA-754 and IN-MA-6000E, which are strengthened by dispersion of inert particles such as yttria, coupled in some cases with γ′ precipitation (MA-6000E). Nickel-base superalloys are used in both cast and wrought forms, although special processing (powder metallurgy/isothermal forging...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
... unreported concentration, usually due to proprietary issues. Source: Ref 1 – 16 Table A.5B Applications and comments to selected superalloys in Table A.5A Alloy Application Comments Astroloy Forgings for high temperatures … Hastelloy B Older GTEs and rocket engines Good...
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...
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
.... Fig. 30.1 Typical materials selection for jet engine components Fig. 30.2 Temperature capability of superalloys. Source: Ref 3 Superalloys are used in cast, rolled, extruded, forged, and powder-processed forms. Sheet, bar, plate, tubing, shafts, airfoils, disks, and pressure...
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
...-strengthened Superalloys have been used in cast, rolled, extruded, forged, and powder-processed forms. Sheet, bar, plate, tubing, shafts, airfoils, disks, and pressure vessels (cases) are some of the shapes that have been produced. These metals have been used in aircraft, industrial, and marine gas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280117
EISBN: 978-1-62708-267-9
... Abstract Gas turbine disks made from nickel-base superalloys are often produced using powder metallurgy (P/M) techniques because the alloy compositions normally used are difficult or impractical to forge by conventional methods. This chapter discusses the P/M process and its application to...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... suspensions in oil or water for hot forging steels, and glass films for titanium and superalloy hot forgings. In many cases, the internal and surface imperfections that occur during forging are defects that originated during the initial hot working of ingots or billets. Figure 8 shows a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040007
EISBN: 978-1-62708-300-3
..., magnesium alloys, beryllium, stainless steels, nickel alloys, titanium and titanium alloys, iron and nickel and cobalt superalloys, niobium and niobium alloys, tantalum and tantalum alloys, molybdenum and molybdenum alloys, tungsten alloys. Closed-die forging with lateral flash, closed-die forging with...
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...
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
... All superalloys, whether precipitation hardened or not, generally require the application of heat for some period of time for purposes of preparing solid material for a subsequent processing step (ingot cogging, component forging, etc.). In addition, some chemical processing, such as coating, requires...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040159
EISBN: 978-1-62708-300-3
... 1050–1350 Molybdenum alloys 2100–2460 1150–1350 Nickel-base superalloys 1920–2190 1050–1200 Tungsten alloys (most difficult) 2190–2370 1200–1300 Fig. 14.4 Comparison of typical design limits for rib-web-type structural forgings of (a) aluminum alloys and (b) nickel-base...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120033
EISBN: 978-1-62708-269-3
... but less so than refractory metals and superalloys. The working history and forging parameters used in titanium alloy forging have a great impact on the microstructure and properties of the finished component. Consequently, forging sequences and subsequent heat treatment can be used to control the...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
.... Fig. 4.1 Freckles in IN-718 nickel-base superalloy billet forged from vacuum arc remelted ingot in which control of melt conditions was lost. Note: Composition of freckle vs. matrix was by microprobe and does not show carbon, which would be elevated in the freckles. Compositions of a freckle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... growth and keep a finer grain size in a forged component. It is important to note that it is not only heat treatment that influences tensile properties; control of the thermomechanical processing sequence is important. Large grain-size reductions have been attained in superalloys by manipulation of the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280011
EISBN: 978-1-62708-267-9
... applications. The fine-grain structure of forgings, on the other hand, favors higher yield strengths and better low-cycle fatigue (LCF) strengths at low-to-intermediate temperatures, thus, the use of forgings in disk applications. Strengthening in superalloys is by solid-solution hardening (substituted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
... Coatings , Koul A.K. , Ed., National Research Council of Canada , Ottawa , 1994 , p 34 – 53 Nickel-iron-base superalloys are characterized by their high toughness and ductility and are used mostly in applications where these properties are required, such as turbine discs or forged rotors...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280001
EISBN: 978-1-62708-267-9
... + Hf also contains 1.5% Hf. (c) Designated R’ 162 in U.S. patent 5,270,123. Also contains 0.02–0.07% C, 0.003–0.01% B, 0–0.3% Y, and 0–6% Ru. Appropriate compositions of superalloys can be forged, rolled to sheet, or otherwise produced in a variety of shapes. The more highly alloyed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... Abstract Superalloys are susceptible to damage from a variety of surface contaminants. They may also require special surface finishes for subsequent processing steps such as coating applications. This chapter describes some of the cleaning and finishing procedures that have been developed for...