Results 61 to 70 of about 912 (182)

Achieving Ambient‐Temperature Fast Hydrogenation Properties in Ga‐Doped Mg–Ni Alloy: Dual‐Phase Synergistic Catalysis and Stacking Fault Channels

Rare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT The high operating temperatures and sluggish kinetics of Mg‐based hydrogen storage materials (HSMs) are urgently being addressed. In this work, a novel Mg–Ni–Ga HSM with dual‐phase synergistic catalysis is developed, including the fishbone‐like Mg3Ni2Ga1 catalytic phase and the Mg2Ni phase with stacking faults (SFs).
Shiyang Hu, Xin Ding, Wenchao Cao, Xiangfeng Ma, Hongxian Shen, Yong Zhang, Jingjie Guo, Ruirun Chen   +7 more
wiley   +1 more source

Effect of Heterogenous Gradient Structure Induced by High Cu Content on Nanocrystallization Process and Magnetic Properties of Fe‐Based Nanocrystalline Alloys

Rare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT The pre‐existing α‐Fe crystals have important effects on the precipitation and growth of nanocrystals and finally determine the comprehensive soft magnetic properties (SMPs) of the nanocrystalline alloys (NAs). In this work, a high content of Cu elements has been added to Nanomet‐type alloys to enhance the gradient heterogeneity in order to ...
Lei Xie, Qiang Li, Jing Zhou, Yaqiang Dong, Aina He, Chuntao Chang, Baoan Sun   +6 more
wiley   +1 more source

Influence of HPT Deformation on the Structure and Properties of Amorphous Alloys

Metals, 2020
Recent studies showed that structural changes in amorphous alloys under high pressure torsion (HPT) are determined by their chemical composition and processing regimes.
Dmitry Gunderov, Vasily Astanin
doaj   +1 more source

Surface structure and catalytic activity of amorphous metallic alloys Fe-Nb-B-RE (RE = Y, Gd, Tb, Dy) in alkaline solution

Adsorption Science & Technology, 2017
The thermal stability and characteristics of the surface of the Fe 82 Nb 2 B 14 RE 2 (RE = Y, Gd, Tb, Dy) amorphous alloys were studied by differential scanning calorimetry and atomic force microscopy methods.
L Boichyshyn, M-O Danyliak, B Kotur
doaj   +1 more source

Surface nanocrystallization of sintered Nd-Fe-B magnet by HDDR process

Materials & Design, 2019
A novel practice of surface nanocrystallization (SNC) to protect sintered Nd-Fe-B magnet from corrosion was achieved by a controlled hydrogenation-disproportionation-desorption-recombination (HDDR).
Jiling Zeng, Haihang Wang, Shuai Guo, Renjie Chen, Xiao Yang, Jinghui Di, Guangfei Ding, Aru Yan   +7 more
doaj   +1 more source

Glass-Forming Ability and Crystallization Behavior of Mo-Added Fe_82−xSi₄B₁₂Nb₁Mo_xCu₁ (x = 0–2) Nanocrystalline Alloy

Metals
This study investigates the effects of molybdenum (Mo) additions on the crystallization behavior and soft magnetic properties and of Fe82-xSi4B12Nb1MoxCu1 (x = 0–2) nanocrystalline alloys.
Hyun Ah Im, Subong An, Ki-bong Kim, Sangsun Yang, Jung woo Lee, Jae Won Jeong   +5 more
doaj   +1 more source

Effect of surface nanocrystallization on corrosion behaviour of coated steel in chloride solution

International Journal of Electrochemical Science, 2018
A nanocrystalline (NC) layer was fabricated on the surface of the low-alloy steel 15CrMo using high-energy shot peening. Two kinds of conversion coatings including the chemical conversion coating and electrochemical conversion coating were separately ...
Liuyan Zhang, Shuimei Yang, Huishu Wu, Xiaohua Jie, Xiaoye Huang, Xiujin Wang   +5 more
doaj   +1 more source

Non-Isothermal Study of Nanocrystallization Kinetics in Soft Magnetic FINEMET Ribbons

Journal of Advanced Materials in Engineering, 2012
The soft magnetic nanocrystalline Fe73.5Si13.5B9Cu1Nb3 alloy (FINEMET®) is produced by heat treatment of amorphous precursor. Determining kinetic parameters of amorphous structure transformation to nanocrystalline allows the control of microstructure (e ...
S. Mirzaei, A. Jazayeri Gharehbagh
doaj  

Mechanical properties of amorphous metal alloy Al87(Ni,Fe)8(REM)5 system as a result of short-term annealing

Фізика і хімія твердого тіла
The phase transition temperatures for amorphous metals based on aluminum Al87(Ni,Fe)8(REM)5 system were determined by differential scanning calorimetry (DSC).
K. Khrushchyk, A. Barylski, K. Aniolek, M. Karolus, L. Boichyshyn   +4 more
doaj   +1 more source

Structure transformation in amorphous Fe-B ribbon under laser scanning

Фізика і хімія твердого тіла
Amorphous Fe86B14 alloy produced by the melt quenching technique was processed by pulsed fibber laser in scanning mode with various scanning speed and laser power.
Yulia Nykyruy, Nazar Sembratovych
doaj   +1 more source