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nickel-base superalloy

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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 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000009
EISBN: 978-1-62708-313-3
...Abstract Abstract This chapter provides a brief overview of nickel-iron-base, cobalt-base, and nickel-base superalloys, discussing their basic metallurgy and defining characteristics. coefficient of thermal expansion superalloys SUPERALLOYS ARE CLASSIFIED according to the main...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270067
EISBN: 978-1-62708-301-0
..., investigators concluded that the nickel-base superalloy blade was exposed to high temperatures and stresses, initiating a crack that propagated under cyclic loading. This chapter provides a summary of the investigation and the insights acquired using scanning electron fractography, metallography, and hardness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270143
EISBN: 978-1-62708-301-0
...Abstract Abstract A low-pressure turbine rotor blade failed during a test run, causing extensive damage to an aircraft engine. Visual examination showed that the nickel-base superalloy blade broke above the root platform in the airfoil section, leaving a fracture surface with two distinct...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
...Abstract Abstract Precipitation hardening is used extensively to strengthen aluminum alloys, magnesium alloys, nickel-base superalloys, beryllium-copper alloys, and precipitation-hardening stainless steels. This chapter discusses two types of particle strengthening: precipitation hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420339
EISBN: 978-1-62708-310-2
... of precipitation-hardened nickel-base superalloy. Source: Ref 16.3 Fig. 16.3 Particle hardening considerations. Source: Ref 16.4 as published in Ref 16.3 Fig. 16.13 Precipitation hardening of an aluminum-copper alloy. Source: Ref 16.3 Fig. 16.4 Typical precipitation-hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850536
EISBN: 978-1-62708-260-0
...Abstract Abstract This appendix lists etch compositions and procedures that reveal strain patterns in aluminum and nickel-base superalloys. aluminum alloys macroetchants nickel-base superalloys strain patterns ...
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
...Abstract Abstract This article discusses the composition, structure, and properties of iron-nickel-, nickel-, and cobalt-base superalloys and the effect of major alloying and trace elements. It describes the primary and secondary roles of each alloying element, the amounts typically used...
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 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
...Abstract Abstract Superalloys, although not strictly defined, are generally regarded as high-performance alloys based on group VIII elements (nickel, cobalt, or iron, with a high percentage of nickel) to which a multiplicity of alloying elements have been added. The defining feature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280149
EISBN: 978-1-62708-267-9
... welding of superalloys Table 9.5 Compositions of filler metals and electrode wires for arc welding of superalloys AWS classification or trade name Composition, % C Mn Fe S Si Cu Ni (a) Co Al Ti Cr Nb + Ta Mo Other Nickel-based bare electrodes for GTAW and GMAW ERNiCr...
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...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000059
EISBN: 978-1-62708-313-3
...Abstract Abstract This chapter discusses the typical compositional ranges of superalloys, the role of major base metals (iron, cobalt, and nickel), and the effects of common alloying additions. It describes how chromium, aluminum, and titanium as well as refractory elements, grain-boundary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280025
EISBN: 978-1-62708-267-9
... Superalloy Groups Crystal Structures Phases in Superalloys Iron-Nickel-Base Superalloys Nickel-Base Superalloys Cobalt-Base Superalloys Introduction Major Elements in Superalloys Beneficial Minor Elements in Superalloys Elements Causing Brittle Phase Formation Detrimental Tramp...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280357
EISBN: 978-1-62708-267-9
... others) that generally are brittle and detrimental to the mechanical properties of superalloys, particularly nickel-base superalloys. These phases can form in iron-nickel-and cobalt-base superalloys as well. Based on early studies on stainless steels, these phases, and particularly σ phase, can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
...Useable Temperature versus Al/Ti ratio in PC cast nickel-base superalloys Table 12.1 Useable Temperature versus Al/Ti ratio in PC cast nickel-base superalloys Alloy Al + Ti Al/Ti Useable temperature, °F (°C) A-286 2.35 0.116 1200 (649) Inconel W 3.15 0.280 1200 (649...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
... Metals Corp.) products. Carbide hardening was used to create the cobalt-base alloys, and, although the fundamentals of precipitation hardening were still being discovered, precipitation hardening nickel-base alloys were developed. At that time, the word “superalloys” had not yet been coined...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
..., melting and corrosion on nickel-base and cobalt-base superalloys for temperatures at or above about 1400 °F (760 °C) and mostly above 1500 °F (816 °C). It also touches briefly on micro-structural changes affecting nickel-base and iron-nickel-base superalloys at temperatures below 1500 °F (816 °C...
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
... and Processes Some Additional Aspects of Forming: Iron-Nickel and Nickel-Base Superalloys Some Additional Aspects of Forming: Carbide-Hardened Cobalt-Base Superalloys Superplastic Forming/Forging Introduction Cobalt-Base versus Iron-Nickel- and Nickel-Base Superalloys Wrought Processing...