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nickel-base superalloys

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Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006582
EISBN: 978-1-62708-290-7
... Abstract This article covers the current state of materials development of nickel-base superalloys for additive manufacturing (AM) processes and the associated challenges. The discussion focuses on nickel-base superalloy fusion AM processes, providing information on typically encountered...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005459
EISBN: 978-1-62708-196-2
... Abstract This article summarizes the general features of microstructure evolution during the thermomechanical processing (TMP) of nickel-base superalloys and the challenges posed by the modeling of such phenomena. It describes the fundamentals and implementations of various modeling...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002410
EISBN: 978-1-62708-193-1
... Abstract This article discusses fracture, fatigue, and creep of nickel-base superalloys with additional emphasis on directionally solidified and single-crystal applications. It analyzes the physical metallurgy of these alloys. The effects of grain boundary and grain size on failure...
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Published: 01 June 2016
Fig. 2 General comparison of creep rupture of conventional nickel-base superalloys. (a) 100 h creep-rupture strength of gamma-prime (γ′) nickel alloys compared to solid-solution and carbide-strengthened alloys. (b) 1000 h creep-rupture strength of some selected nickel superalloys More
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Published: 01 January 1990
Fig. 7(a) 1000-h rupture strengths of selected wrought nickel-base superalloys More
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Published: 01 January 1990
Fig. 2 Increased use of refractory metals in nickel-base superalloys. (a) Weight percent. (b) Atomic percent More
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Published: 15 June 2020
Fig. 3 Tendency for cracking in nickel-base superalloys based on aluminum and titanium content as susceptible to strain-age cracking. LSHR, low solvus, high refractory More
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Published: 01 January 2005
Fig. 11 Resistance of selected cast nickel-base superalloys to plastic deformation at elevated temperatures. H11 is included for comparison. Source: Ref 15 More
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Published: 01 January 2005
Fig. 12 Resistance of selected wrought nickel-base superalloys to plastic deformation at elevated temperatures. H11 is included for comparison. Source: Ref 15 , 16 More
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Published: 01 January 1996
Fig. 21 High-temperature fatigue crack growth of two nickel-base superalloys. (a) Hastelloy X at 760 °C (1400 °F) with R = 0.05. (b) NASA 11B-7 at 650 °C (1200 °F) with R = 0.05. More
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Published: 01 December 2009
Fig. 5 Static crack growth rates for five nickel-base superalloys at 650 °C, showing that the differences in their behavior in air are dominated by environmental interaction. Source: Ref 7 More
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Published: 01 December 2009
Fig. 2 Recent discovery of microtwins in nickel-base superalloys after creep deformation has led to further investigation and development of a model that describes this new mechanism. Courtesy of M. Mills, The Ohio State University More
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Published: 01 December 1998
Fig. 12 Wrought nickel-base superalloys showing spheroidal nature of early (low V f γ′) alloys (Waspaloy, left) and cuboidal nature of later (higher V f γ′) alloys (U 700, right). Note secondary (cooling) γ′ between primary cuboidal γ′ particles in U 700. Original magnification, 6800× More
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Published: 01 January 1990
Fig. 5 Stress-rupture curves for selected superalloys. (a) and (b) Nickel-base superalloys. 1000 h. (c) Cobalt-base superalloys. 1000 h. Source: Ref 3 . (d) Larson-Miller stress-rupture curves for selected nickel-base superalloys. Source: Ref 7 . (e) Larson-Miller stress-rupture curves More
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Published: 01 June 2016
Fig. 7 Strength (hardness) versus particle diameter in a nickel-base superalloy. Cutting occurs at low particle diameters, bypassing at higher particle diameters. Note also that aging temperature affects strength in conjunction with particle size. More
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Published: 01 June 2016
Fig. 12 Nitrogen content versus depth for Inconel nickel-base superalloy heated at 815 °C (1500 °F) in nitrogen More
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Published: 01 August 2013
Fig. 5 Recrystallized grains on a nickel-base superalloy after surface deformations due to processes such as grinding. Original magnification: 100× More
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Published: 01 January 1990
Fig. 3 The evolution of the processing of nickel-base superalloy turbine blades. (a) From left, equiaxed, directionally solidified, and single-crystal blades. (b) An exposed view of the internal cooling passages of an aircraft turbine blade. Source: Ref 5 More
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Published: 01 January 2005
Fig. 39 Dynamic materials modeling processing map for the nickel-base superalloy Nimonic AP-1. (a) Three-dimensional plot of efficiency of power dissipation as function of temperature and strain rate. (b) The corresponding contour map with numbers representing constant efficiency of power More
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Published: 01 January 2005
Fig. 26 Dynamic material modeling processing map for the nickel-base superalloy Nimonic AP1. (a) Three-dimensional plot of efficiency of power dissipation as a function of temperature and strain rate. (b) The corresponding contour map with numbers representing constant efficiency of power More