A review of liquid metal embrittlement: cracking open the disparate mechanisms

JE Norkett, MD Dickey, VM Miller - Metallurgical and Materials …, 2021 - Springer
Liquid metal embrittlement (LME) is the term for a collection of phenomena by which the
action of a liquid metal in contact with the surface of a solid metal results in the weakening …

Synergistic effects of Re and Ta on the distribution of W in Ni-based superalloys

J Zhang, H Zong, F Lu, T Huang, D Wang, J Zhang… - Intermetallics, 2022 - Elsevier
The distributions of tungsten (W) in Ni-based single crystal superalloys with different Re and
Ta contents are characterized and specified by atom probe tomography. The results show …

Enhancing microstructural stability and creep properties by Ta addition in Ni-based single crystal superalloys

Y Gao, J Dong, L Wang, P Liu, J Zhang… - Materials Science and …, 2024 - Elsevier
To investigate influences of Ta content on microstructural stability during thermal exposure
at 900° C (up to 3000 h) and creep properties at 980° C/163 MPa in Ni-based SX superalloy …

On the tungsten segregation at γ/γ′ interface in a Ni-based single-crystal superalloy

J Zhang, F Lu, C Zhang, Q Zhao, T Huang, D Wang… - Vacuum, 2022 - Elsevier
Through a combination of atom probe tomography (APT) and theoretical calculations, the
distributions of tungsten (W) at the γ/γ′ interfaces with exposure effects in a Ni-based single …

Beyond the Parallel Tangent Method to Predict the Composition of the First Nucleating Phase from Oversaturated Solutions

G Kaptay - Journal of Phase Equilibria and Diffusion, 2023 - Springer
The parallel tangent method widely applied to predict the composition and driving force to
form a nucleus from an oversaturated solution is extended in this paper. The parallel tangent …

On the reduction and effect of non-metallic impurities in mechanically alloyed nanocrystalline Ni-W alloys

CJ Marvel, JA Smeltzer, BC Hornbuckle, KA Darling… - Acta Materialia, 2020 - Elsevier
Non-metallic contamination is a practically unavoidable byproduct of commercial synthesis
processes; however, non-metallic impurities are often overlooked when considering material …

Effect of Mo on the coherent interface features of γ′-phase strengthened Co-based superalloys

J Zhang, F Lu, W Lu, Q Na, R Li, G Zhang - Scripta Materialia, 2024 - Elsevier
Molybdenum (Mo) addition was investigated for its influence on the interfacial characteristics
of γ′-phase strengthened Co-based superalloys with γ/γ′ dual phases. Advanced …

Grain-boundary segregation and grain growth in nanocrystalline substitutional solid solution alloys

F Tang, C Hou, H Lu, Z Zhao, X Song - Journal of Materials Science & …, 2024 - Elsevier
A model for describing solute segregation at grain boundaries has been developed for
substitutional solid solution alloys, which integrates multiple factors from atomic to …

Athermal behavior of core-shell particles in nanocrystalline Cu-Ta

CJ Marvel, BC Hornbuckle, JA Smeltzer, KA Darling… - Scripta Materialia, 2020 - Elsevier
Abstract Nanocrystalline Cu-Ta is among the most successfully developed nanostructured
alloys involving microstructural design, synthesis, characterization, and testing. However …

Interphase boundary segregation and precipitate coarsening resistance in ternary alloys: An analytic phase-field model describing chemical effects

SB Kadambi, F Abdeljawad, S Patala - Acta Materialia, 2020 - Elsevier
Many experimental and first principles studies on precipitation hardening alloys show that
segregation of elemental species to the matrix-precipitate interphase boundary (IB) reduces …