Direct Formation of Hard‐Magnetic Tetrataenite in Bulk Alloy Castings

YP Ivanov, B Sarac, SV Ketov, J Eckert… - Advanced …, 2023 - Wiley Online Library
Currently, predominant high‐performance permanent magnets contain rare‐earth elements.
In the search for rare‐earth‐free alternates, body‐centered tetragonal Fe–Ni is notable. The …

Effects of Cr contents on tribological and corrosion behavior of HVOF sprayed Ni-based alloy coating

HB Lee, YH Hong, HH Sheu, RC Hsiao, WK Li… - Tribology …, 2023 - Elsevier
High-velocity oxygen fuel (HVOF) spray process was employed to fabricate nickel-based
alloy coatings composed of different chromium contents (NC-A, 7.15 wt%; NC-B, 16.98 wt%) …

Microstructure modeling of nuclear structural materials: Recent progress and future directions

JH Ke - Computational Materials Science, 2023 - Elsevier
Modeling and simulation of microstructures are essential to understand the complex
responses and behaviors of nuclear materials in extreme environments. The needs to …

The formation and evolution of Ni2Cr precipitates in Ni–Cr model alloys as a function of stoichiometry characterized by synchrotron x-ray diffraction

N Aerne, DJ Sprouster, JD Tucker - Materials Science and Engineering: A, 2022 - Elsevier
Ni-based alloys containing significant amounts of Cr, may precipitate new phases during
long-term service at elevated temperatures. In Ni–Cr model alloys, the formation of Ni 2 Cr …

Microstructure and mechanical properties of Fe matrix composites reinforced by nickel–chromium double-layer coated ZTAP ceramics

C Li, Y Li, J Wang, B Li, D Yi, J Shi, Q Zheng, Y Gao… - Ceramics …, 2020 - Elsevier
The preparation, microstructure and mechanical properties of ZTA particles reinforced Fe
matrix composites (ZTA P/Fe composites) were systematically investigated. The X-ray …

First-principles study of 3sp impurity (S, P, Si, Al) effects on vacancy-mediated diffusion in Ni and Ni-33Cr alloys

JH Ke, JD Tucker - Computational Materials Science, 2022 - Elsevier
The effect of minor impurities on vacancy-mediated processes is a critical factor causing
unanticipated degradation rates in structural alloys. We investigate the 3 sp impurity effect by …

Vacancy surface migration mechanisms in dilute nickel-chromium alloys

J Startt, C Deo, R Dingreville - Scripta Materialia, 2021 - Elsevier
We investigate the unitary mechanisms related to the surface migration of vacancies in dilute
Ni-Cr alloys via first-principle calculations. We survey a complete set of surface and sub …

[HTML][HTML] Enhancing the Irradiation Resistance of L12 Intermetallics by incorporating Multiple Principal Elements through Computational Modeling

S Huang, Y Xiong, S Ma, J Zhang, H Fu, B Xu… - Journal of Materials …, 2024 - Elsevier
Abstract Ordered L1 2 γ'Ni 3 Al intermetallics are essential strengthening components to
maintain the high strength of Ni-based superalloys and recently developed high entropy …

Vacancy-mediated transport and segregation tendencies of solutes in fcc nickel under diffusional creep: A density functional theory study

S Shousha, SB Kadambi, B Beeler, B Kombaiah - Physical Review Materials, 2024 - APS
The Nabarro-Herring (NH) diffusional creep theory postulates the vacancy-mediated
transport of atoms under a stress gradient as the creep mechanism under low-stress and …

Effect of magnetic field, heat treatment and dry wear analysis on electroless nickel deposits

JTW Jappes, NC Brintha, MA Khan - Journal of Bio-and Tribo-Corrosion, 2021 - Springer
This investigation reports the effect of magnetic field during coating on the mechanical
properties of the electroless Ni–P deposits. Magnetic field strength has been varied between …