Coherent precipitation and strengthening in compositionally complex alloys: a review

Q Wang, Z Li, S Pang, X Li, C Dong, PK Liaw - Entropy, 2018 - mdpi.com
High-performance conventional engineering materials (including Al alloys, Mg alloys, Cu
alloys, stainless steels, Ni superalloys, etc.) and newly-developed high entropy alloys are all …

Review Progress in Ostwald ripening theories and their applications to the γ′-precipitates in nickel-base superalloys Part II Nickel-base superalloys

A Baldan - Journal of materials science, 2002 - Springer
Abstract The Lifshitz-Slyozof-Wagner (LSW) theory, which corresponds to a zero volume
fraction approximation, was developed to model kinetics of precipitate growth from …

Controlled formation of coherent cuboidal nanoprecipitates in body-centered cubic high-entropy alloys based on Al2 (Ni, Co, Fe, Cr) 14 compositions

Y Ma, Q Wang, BB Jiang, CL Li, JM Hao, XN Li, C Dong… - Acta Materialia, 2018 - Elsevier
Microstructures and mechanical properties of Al-Ni-Co-Fe-Cr high-entropy alloys (HEAs)
were investigated by systematically varying transition metals instead of Al, within the …

Phase stability and transformation in a light-weight high-entropy alloy

R Feng, MC Gao, C Zhang, W Guo, JD Poplawsky… - Acta Materialia, 2018 - Elsevier
Light-weight high-entropy alloys (HEAs) with a vast alloy-design space have offered new
avenues to explore novel low-cost, high strength-to-weight ratio structural materials …

A cuboidal B2 nanoprecipitation-enhanced body-centered-cubic alloy Al0. 7CoCrFe2Ni with prominent tensile properties

Q Wang, Y Ma, B Jiang, X Li, Y Shi, C Dong, PK Liaw - Scripta Materialia, 2016 - Elsevier
The present work reports a cuboidal B2-coherently-enhanced body-centered-cubic (BCC)
alloy Al 0.7 CoCrFe 2 Ni with prominent tensile properties at both room (ultimate tensile …

Coherent precipitation and stability of cuboidal nanoparticles in body-centered-cubic Al0. 4Nb0. 5Ta0. 5TiZr0. 8 refractory high entropy alloy

Q Wang, J Han, Y Liu, Z Zhang, C Dong, PK Liaw - Scripta Materialia, 2021 - Elsevier
The present work developed a new body-centered-cubic (BCC)-based Al 0.4 Nb 0.5 Ta 0.5
TiZr 0.8 refractory high entropy alloy with coherent precipitation. The formation of cuboidal …

Precipitation and dissolution processes in γ/γ′ single crystal nickel-based superalloys

T Grosdidier, A Hazotte, A Simon - Materials Science and Engineering: A, 1998 - Elsevier
An experimental analysis of the γ↔ γ+ γ′ phase transformations in two single-crystal Nickel-
based superalloys is presented. The transformations are characterised macroscopically by …

The equilibrium shape of a misfitting precipitate

ME Thompson, CS Su, PW Voorhees - Acta metallurgica et materialia, 1994 - Elsevier
We examine the equilibrium morphologies of precipitates with either a tetragonal or purely
dilatational misfit in an elastically anisotropic medium with cubic symmetry under conditions …

Designing L21-strengthened Al-Cr-Fe-Ni-Ti complex concentrated alloys for high temperature applications

WC Kim, MY Na, HJ Kwon, YS Na, JW Won, HJ Chang… - Acta Materialia, 2021 - Elsevier
For alloys with nanoprecipitate/matrix microstructures, the lattice coherency between the two
phases plays an important role in determining the mechanical performances at high …

Modeling of phase separation in alloys with coherent elastic misfit

P Fratzl, O Penrose, JL Lebowitz - Journal of Statistical Physics, 1999 - Springer
Elastic interactions arising from a difference of lattice spacing between two coherent phases
can have a strong influence on the phase separation (coarsening) behavior of alloys. If the …