Journal ArticleDOI
Strengthening mechanisms in Inconel 718 superalloy
M. C. Chaturvedi,Ya-fang Han +1 more
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In this article, the yielding behavior of underaged Inconel alloy 718, which is precipitation hardened by coherent ordered bct γ″ and ordered fcc γ′ phases, has been studied.Abstract:
The yielding behaviour of underaged Inconel alloy 718, which is precipitation hardened by coherent ordered bct γ″ and ordered fcc γ′ phases, has been studied. It was found that the yielding of the ...read more
Citations
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Dynamic recrystallization behavior of a typical nickel-based superalloy during hot deformation
TL;DR: In this paper, the volume fractions of DRX were estimated based on the conventional DRX kinetics model and a segmented model was proposed to describe the dynamic recrystallization behavior of a typical nickel-based superalloy.
Journal ArticleDOI
Precipitation hardening of superalloys by ordered γ′-particles
Eckhard Nembach,Günter Neite +1 more
Journal ArticleDOI
Some aspects of the precipitation of metastable intermetallic phases in INCONEL 718
TL;DR: In this article, the authors investigated the precipitation of the metastable intermetallic phases (γ and γ) in the commercial nickel base superalloy, INCONEL 718, over a wide range of aging temperatures.
Journal ArticleDOI
Gamma double prime precipitation kinetic in Alloy 718
Alexandre Devaux,Alexandre Devaux,Loic Nazé,Régine Molins,André Pineau,Antoine Organista,Jean-Yves Guedou,J.F. Uginet,Philippe Heritier +8 more
TL;DR: In this paper, it was shown that the coarsening behavior of γ′′ precipitates follows the coarseening kinetic predictions of the Lifshitz-Slyozov-Wagner (LSW) theory.
Journal ArticleDOI
Thermal stability and coarsening of coherent particles in a precipitation-hardened (NiCoFeCr)94Ti2Al4 high-entropy alloy
TL;DR: In this paper, the coarsening of L12 precipitates in a face-centered-cubic (fcc) (NiCoFeCr)94Ti2Al4 high-entropy alloy (HEA) at temperatures between 750 and 825
References
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Journal ArticleDOI
On the modulated structure of aged Ni-Al alloys: with an Appendix On the elastic interaction between inclusions by J. D. Eshelby
Alan J. Ardell,R.B Nicholson +1 more
TL;DR: In this paper, it is shown that there exists an elastic interaction between the Ni-6.71 wt.% Al alloy particles arising from the difference between the elastic moduli in the precipitate and the matrix.
Journal ArticleDOI
Strengthening Mechanisms in γ′ Precipitating Alloys
D. Raynor,J. M. Silcock +1 more
TL;DR: In this paper, the mechanical properties of several austenitic steels containing γ′ precipitate have been studied and a large increase in proof stress occurs during ageing as a result of particle growth at almost co...
Journal ArticleDOI
Precipitation of γ in the γ′of nickel-base superalloys
Journal ArticleDOI
Coarsening behaviour of γ″- and γ′-particles in Inconel alloy 718
TL;DR: The coarsening behavior of disc-shaped, ordered bct γ″-phase and spherical ordered fcc γ′-phase particles in Inconel alloy 718* has been studied in this article.
Journal ArticleDOI
Theorie der Wechselwirkung von Versetzungen mit kohärenten geordneten Zonen (I)
H. Gleiter,E. Hornbogen +1 more
TL;DR: In this article, a theory is given for the onset of plastic deformation in alloys with coherent, stress-free, ordered particles, and the results are: 1. Dislocations move as pairs if the particles size, particle distribution, energy of antiphase boundary, elastic constants, and external shear stress.
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