Secondary ion mass spectrometry

NP Lockyer, S Aoyagi, JS Fletcher, IS Gilmore… - Nature Reviews …, 2024 - nature.com
Secondary ion mass spectrometry (SIMS) is a technique for chemical analysis and imaging
of solid materials, with applications in many areas of science and technology. It involves …

Superior high-temperature properties and deformation-induced planar faults in a novel L12-strengthened high-entropy alloy

YL Zhao, T Yang, YR Li, L Fan, B Han, ZB Jiao, D Chen… - Acta Materialia, 2020 - Elsevier
We developed a novel high-performance L1 2-strengthened high-entropy alloy (HEA) in the
multicomponent Ni-Co-Fe-Cr-Al-Nb system. The phase transformation, mechanical …

Recent progress on discovery and properties prediction of energy materials: Simple machine learning meets complex quantum chemistry

Y Kang, L Li, B Li - Journal of Energy Chemistry, 2021 - Elsevier
In nature, the properties of matter are ultimately governed by the electronic structures.
Quantum chemistry (QC) at electronic level matches well with a few simple physical …

[HTML][HTML] Austenite grain boundary segregation and precipitation of boron in low-C steels and their role on the heterogeneous nucleation of ferrite

TS Prithiv, B Gault, Y Li, D Andersen, N Valle, S Eswara… - Acta Materialia, 2023 - Elsevier
The addition of boron (B) to steels suppresses the austenite to ferrite phase transformation
dramatically, thus increasing their hardenability. It achieves this through grain boundary …

Grain boundary engineering for efficient and durable electrocatalysis

X Geng, M Vega-Paredes, Z Wang, C Ophus… - Nature …, 2024 - nature.com
Grain boundaries in noble metal catalysts have been identified as critical sites for enhancing
catalytic activity in electrochemical reactions such as the oxygen reduction reaction …

Boron segregation at austenite grain boundaries: An equilibrium phenomenon

G Da Rosa, P Maugis, A Portavoce, S Lartigue-Korinek… - Acta Materialia, 2023 - Elsevier
High-resolution secondary ion mass spectrometry imaging, atom probe tomography and
transmission electron microscopy have been employed to investigate boron segregation at …

[HTML][HTML] Hydrogen assisted intergranular cracking of alloy 725: The effect of boron and copper alloying

I Taji, T Hajilou, AS Ebner, D Scheiber, S Karimi… - Corrosion science, 2022 - Elsevier
To overcome the Hydrogen embrittlement (HE) susceptibility of the standard Alloy 725 (Mod
A), two alloys with minor alloying modifications with B (Mod B) and B+ Cu (Mod C) were …

Hydrogen-associated decohesion and localized plasticity in a high-Mn and high-Al two-phase lightweight steel

X Dong, D Wang, P Thoudden-Sukumar, A Tehranchi… - Acta Materialia, 2022 - Elsevier
Advanced lightweight high-strength steels are often compositionally and microstructurally
complex. While this complex feature enables the activation of multiple strengthening and …

[HTML][HTML] Grain boundary co-segregation of B and Ce hindering the precipitates of S31254 super austenitic stainless steel

J Gao, J Ma, S Yang, Z Guo, J Ma, H Li, Z Jiang… - Journal of Materials …, 2023 - Elsevier
The influence of boron (B) and cerium (Ce) grain boundary (GB) co-segregation on the
precipitates formation of S31254 during 950–1050° C was studied through a new heat …

[HTML][HTML] Grain boundary character dependence of phosphorus segregation at ferrite grain boundaries in a high-purity iron-phosphorus binary alloy

Y Zhang, K Ikeda, S Kitsuya, G Miyamoto, T Furuhara - Scripta Materialia, 2024 - Elsevier
Grain boundary segregation of solute elements is known to be strongly influenced by
boundary characters. In this study, the equilibrium segregation of phosphorus at ferrite grain …