Thermal stability of nanocrystalline materials: thermodynamics and kinetics

HR Peng, MM Gong, YZ Chen, F Liu - International materials …, 2017 - Taylor & Francis
As nanocrystalline (NC) materials exhibit many unique properties, which are often superior
to the properties of their coarse-grained counterparts, they offer significant potential for use …

Grain growth behaviour during near-γ′ solvus thermal exposures in a polycrystalline nickel-base superalloy

DM Collins, BD Conduit, HJ Stone, MC Hardy… - Acta materialia, 2013 - Elsevier
The grain growth behaviour that occurs during near solvus isothermal and transient heat
treatments and the influence of primary γ′ has been studied in the advanced polycrystalline …

Plastic flow and microstructure evolution during thermomechanical processing of a PM nickel-base superalloy

SL Semiatin, KE McClary, AD Rollett… - … Materials Transactions A, 2013 - Springer
Plastic flow and microstructure evolution during sub-and supersolvus forging and
subsequent supersolvus heat treatment of the powder-metallurgy superalloy LSHR (low …

Influences of grain/particle interfacial energies on second-phase particle pinning grain coarsening of polycrystalline

Z Li, J Wang, H Huang - Journal of Alloys and Compounds, 2020 - Elsevier
A novel cellular automata model was developed to simulate the grain coarsening kinetics at
various conditions. The grain coarsening processes for different grain/particle interfacial …

The effect of forging variables on the supersolvus heat-treatment response of powder-metallurgy nickel-base superalloys

SL Semiatin, JM Shank, AR Shiveley… - … Materials Transactions A, 2014 - Springer
The effect of subsolvus forging temperature and strain rate on the grain size developed
during final supersolvus heat treatment (SSHT) of two powder-metallurgy, gamma–gamma …

The kinetics of precipitate dissolution in a nickel-base superalloy

SL Semiatin, NC Levkulich, AE Saurber… - … Materials Transactions A, 2017 - Springer
The effect of microstructure and soft impingement on the kinetics of static dissolution of γ′
precipitates during supersolvus solution treatment of the powder-metallurgy nickel-base …

A Mg-6Y-3Zn-1Al Mg HPDC alloy having high thermal stability: Study of grain growth kinetics

X Yu, Y Bai, B Ye, L Wang, B Zhao, X Kong - Journal of Alloys and …, 2022 - Elsevier
The thermal stability and grain growth kinetics of a high-pressure die casting (HPDC) Mg-6Y–
3Zn-1Al (WZA631, wt%) alloy with long-period stacking ordered (LPSO) phase is studied by …

Particle pinning force thresholds for promoting abnormal grain growth in magnetostrictive Fe–Ga alloy sheets

SM Na, KM Atwater, AB Flatau - Scripta Materialia, 2015 - Elsevier
Grain growth in Fe–Ga alloy is investigated to study the influence of NbC particles on grain
boundary pinning and the promotion of abnormal grain growth (AGG) during anneals. AGG …

The Role of Substrate on Thermal Evolution of Ag/TiO2 Nanogranular Thin Films

V Balzano, E Cavaliere, M Fanetti, S Gardonio… - Nanomaterials, 2021 - mdpi.com
In multicomponent thin films, properties and functionalities related to post-deposition
annealing treatments, such as thermal stability, optical absorption and surface morphology …

Pinning effect of coherent particles on moving planar grain boundary: Theoretical models and molecular dynamics simulations

HR Peng, W Liu, HY Hou, F Liu - Materialia, 2019 - Elsevier
Pinning effect of second-phase particles has been demonstrated as an extremely effective
way to impede grain boundary (GB) migration to increase strength or thermal stability …