Journal ArticleDOI
Interactions of grain boundaries with coherent precipitates during grain growth
V. Randle,B. Ralph +1 more
TLDR
In this article, electron micrographs have been used to establish the microstructural parameters characterising the γ′ dispersion and also the nature of the boundaryparticle interactions, which are interpreted in terms of models proposed by Zener and by Ashby and colleagues.About:
This article is published in Acta Metallurgica.The article was published on 1986-05-01. It has received 59 citations till now. The article focuses on the topics: Grain boundary strengthening & Grain boundary.read more
Citations
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Journal ArticleDOI
Interaction of recrystallization and precipitation: The effect of Al3Sc on the recrystallization behaviour of deformed aluminium
M.J Jones,F.J. Humphreys +1 more
TL;DR: In this paper, the kinetics and mechanisms of recrystallization in high purity binary Al-Sc alloys have been investigated, and the resultant complex microstructures are interpreted in terms of the interactions between precipitation and recrestallization.
Journal ArticleDOI
Review Progress in Ostwald ripening theories and their applications to the γ′-precipitates in nickel-base superalloys Part II Nickel-base superalloys
TL;DR: The Lifshitz-Slyozof-Wagner (LSW) theory was developed to model the kinetics of precipitate growth from supersaturated solid solutions as discussed by the authors.
Journal ArticleDOI
Overview no. 62
TL;DR: In this paper, a new model was presented to predict the critical grain radius (Rc) as a function of the particle radius (r) and of the volume fraction of the particles (ƒ), which was found to agree satisfactorily with the experimental results of Tweed, Hansen and Ralph.
Journal ArticleDOI
The hot deformation behaviors of coarse, fine and mixed grain for Udimet 720Li superalloy
TL;DR: In this paper, the hot deformation behaviors of Udimet 720Li superalloy with the microstructures of coarse grain, fine grain and mixed grain were studied contrastively by means of various microstructural analysis approaches.
Journal ArticleDOI
Deformation and recrystallization behavior of a coarse-grain, nickel-base superalloy Udimet720Li ingot material
TL;DR: In this article, the deformation and recrystallization behavior of cast-and-homogenized Udimet720Li material were studied using isothermal hot compression experiments for a cast and homogenized material deformed in the temperature range of 1070 to 1190°C with strain rates of 0.01 to 0.5 s−1 and total strain of 1.21.
References
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Journal ArticleDOI
On the Zener drag
E. Nes,N. Ryum,O. Hunderi +2 more
TL;DR: In this article, both the relatively simple problem of the interaction between a single particle and a grain boundary, and the much more complicated problem of deriving a restraining force from the many particles on the grain boundary have been considered.
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On the coarsening of grain boundary precipitates
TL;DR: In this article, the diffusion-controlled coarsening behavior of precipitates situated on both high-angle and low-angle grain boundaries has been investigated theoretically, and the effect of volume fraction, φ, is included in the calculations.
Journal ArticleDOI
Role of interfaces in kinetics of internal shape changes
TL;DR: In this paper, the role of interfacial properties, notably interfacial energy σ and mobility μ, in a series of solid-state reactions that involve the change of size and shape of second-phase precipitates is discussed.