Interfacial segregation and grain boundary embrittlement: An overview and critical assessment of experimental data and calculated results
One of the most dangerous technical failures of materials is intergranular brittle fracture
(temper embrittlement) as it proceeds very quickly and its appearance is often hardly …
(temper embrittlement) as it proceeds very quickly and its appearance is often hardly …
Defect-characterized phase transition kinetics
Phase transitions are a common phenomenon in condensed matter and act as a critical
degree of freedom that can be employed to tailor the mechanical or electronic properties of …
degree of freedom that can be employed to tailor the mechanical or electronic properties of …
Segregation engineering of grain boundaries of a metastable Fe-Mn-Co-Cr-Si high entropy alloy with laser-powder bed fusion additive manufacturing
Laser-powder bed fusion (L-PBF) additive manufacturing offers unprecedented
microstructural fine-tuning capabilities. Naturally, benefitting from such capability requires …
microstructural fine-tuning capabilities. Naturally, benefitting from such capability requires …
Research Update: The materials genome initiative: Data sharing and the impact of collaborative ab initio databases
Materials innovations enable new technological capabilities and drive major societal
advancements but have historically required long and costly development cycles. The …
advancements but have historically required long and costly development cycles. The …
The influence of alloying on Zn liquid metal embrittlement in steels
In this study we investigate Zn liquid metal embrittlement at Fe grain boundaries (GBs) by
employing ab initio density functional theory (DFT) simulations. We consider three different …
employing ab initio density functional theory (DFT) simulations. We consider three different …
A review of liquid metal embrittlement: cracking open the disparate mechanisms
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 …
action of a liquid metal in contact with the surface of a solid metal results in the weakening …
The vibrational entropy spectra of grain boundary segregation in polycrystals
N Tuchinda, CA Schuh - Acta Materialia, 2023 - Elsevier
The vibrational contributions to the energetics of grain boundary segregation are calculated
for binary Ni polycrystals with solutes of Pd, Pt, Ag, Au and Cu. The computational challenge …
for binary Ni polycrystals with solutes of Pd, Pt, Ag, Au and Cu. The computational challenge …
Correlation between stabilizing and strengthening effects due to grain boundary segregation in iron-based alloys: Theoretical models and first-principles calculations
HR Peng, WT Huo, W Zhang, Y Tang, S Zhang… - Acta Materialia, 2023 - Elsevier
Grain boundary (GB) segregation can drastically affect both the thermal stability and fracture
strength of nanocrystalline metals. Underlying physics of the correlation between the above …
strength of nanocrystalline metals. Underlying physics of the correlation between the above …
Solute effects on the Σ3 111 [11-0] tilt grain boundary in BCC Fe: Grain boundary segregation, stability, and embrittlement
Solute segregation can profoundly affect the thermodynamic stability and cohesive
properties of the grain boundaries (GBs) in Fe-based alloys. In the present work, first …
properties of the grain boundaries (GBs) in Fe-based alloys. In the present work, first …
Corrosion mechanism of lead-bismuth eutectic at grain boundary in ferritic steels and the effect of alloying elements: A first-principles study
In this study first-principles calculations are used to investigate the corrosion mechanism of
liquid metal embrittlement (LME) by lead-bismuth eutectic (LBE) at grain boundary (GB) in …
liquid metal embrittlement (LME) by lead-bismuth eutectic (LBE) at grain boundary (GB) in …