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 …
Ultrastrong gradient nanostructured CSS-42L bearing steel and its enhanced wear resistance at elevated temperature
A gradient nanostructured surface layer was successfully fabricated on the CSS-42L
(15Cr14Co12Mo5Ni) aerospace bearing steel by ultrasonic shot peening (USP) technology …
(15Cr14Co12Mo5Ni) aerospace bearing steel by ultrasonic shot peening (USP) technology …
Segregation of Mg, Cu and their effects on the strength of Al Σ5 (210)[001] symmetrical tilt grain boundary
Alien elemental segregation can pronouncedly change the grain boundary properties.
Systematic first-principles calculations were performed to investigate the Mg and Cu …
Systematic first-principles calculations were performed to investigate the Mg and Cu …
Impact of the segregation energy spectrum on the enthalpy and entropy of segregation
Substantial disagreement exists for segregation energies between experimentally measured
and first principles calculated values. To resolve this standing issue, we computed …
and first principles calculated values. To resolve this standing issue, we computed …
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 …
Impact of interstitial C on phase stability and stacking-fault energy of the CrMnFeCoNi high-entropy alloy
Interstitial alloying in CrMnFeCoNi-based high-entropy alloys is known to modify their
mechanical properties. Specifically, strength can be increased due to interstitial solid …
mechanical properties. Specifically, strength can be increased due to interstitial solid …
First-principles study on the P-induced embrittlement and de-embrittling effect of B and C in ferritic steels
J Wang, M Enomoto, C Shang - Acta Materialia, 2021 - Elsevier
First-principles calculations of the Σ5 (310) grain boundary in Fe with B, C and P were
performed to reveal the mechanism of P-caused embrittlement and de-embrittling effect of B …
performed to reveal the mechanism of P-caused embrittlement and de-embrittling effect of B …
Atomic motifs govern the decoration of grain boundaries by interstitial solutes
Grain boundaries, the two-dimensional defects between differently oriented crystals, tend to
preferentially attract solutes for segregation. Solute segregation has a significant effect on …
preferentially attract solutes for segregation. Solute segregation has a significant effect on …
Influence of band microstructure on carbide precipitation behavior and toughness of 1 GPa-grade ultra-heavy gauge low-alloy steel
This study investigated the influence of band microstructure induced by centerline
segregation on carbide precipitation behavior and toughness in an 80 mm-thick 1 GPa low …
segregation on carbide precipitation behavior and toughness in an 80 mm-thick 1 GPa low …
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 …