Xiwei Qi
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View article: Exploration into the morphology regulation and formation mechanism of spherical nanoscale alumina powders synthesised via the microwave hydrothermal approach
Exploration into the morphology regulation and formation mechanism of spherical nanoscale alumina powders synthesised via the microwave hydrothermal approach Open
The synthesis of ultrafine dispersed spherical alumina is essential for advanced technologies; however, it is hindered by precursor aggregation and uncontrolled growth during fabrication. In this study, ultrafine dispersed spherical alumin…
View article: Preparation and properties of solvent induced biodegradable thermosetting poly (siloxane urethane)
Preparation and properties of solvent induced biodegradable thermosetting poly (siloxane urethane) Open
It is difficult to recycle classic thermosetting plastics. Although some of them can be reprocessed, the mechanical properties decline linearly after processing. In addition, most thermosetting plastics are not environmentally friendly and…
View article: Effect of modulating monovalent ion doped on A-site high-entropy perovskites
Effect of modulating monovalent ion doped on A-site high-entropy perovskites Open
High-entropy materials constitute solid solutions composed of five or more elements. This complex and diverse composition endows the materials with unique physical and chemical properties, presenting immeasurable value in material design. …
View article: Turning Ultra‐Low Coercivity and Ultra‐High Temperature Stability Within 897 K via Continuous Crystal Ordering Fluctuations
Turning Ultra‐Low Coercivity and Ultra‐High Temperature Stability Within 897 K via Continuous Crystal Ordering Fluctuations Open
High‐performance soft magnetic materials are important for energy conservation and emission reduction. One challenge is achieving a combination of reliable temperature stability, high resistivity, high Curie temperature, and high saturatio…
View article: Construction of a Cu@hollow TS‐1 nanoreactor based on a hierarchical full‐spectrum solar light utilization strategy for photothermal synergistic artificial photosynthesis
Construction of a Cu@hollow TS‐1 nanoreactor based on a hierarchical full‐spectrum solar light utilization strategy for photothermal synergistic artificial photosynthesis Open
The artificial photosynthesis technology has been recognized as a promising solution for CO 2 utilization. Photothermal catalysis has been proposed as a novel strategy to promote the efficiency of artificial photosynthesis by coupling both…
View article: Boosting overall saline water splitting by constructing a strain‐engineered high‐entropy electrocatalyst
Boosting overall saline water splitting by constructing a strain‐engineered high‐entropy electrocatalyst Open
High‐entropy materials (HEMs), which are newly manufactured compounds that contain five or more metal cations, can be a platform with desired properties, including improved electrocatalytic performance owing to the inherent complexity. Her…
View article: A review on electrocatalytic CO<sub>2</sub> conversion via C–C and C–N coupling
A review on electrocatalytic CO<sub>2</sub> conversion via C–C and C–N coupling Open
Electrochemical C–C and C–N coupling reactions with the conversion of abundant and inexpensive small molecules, such as CO 2 and nitrogen‐containing species, are considered a promising route for increasing the value of CO 2 reduction produ…
View article: Numerical Simulation of Heat Transfer of Roller Slag in Centrifugal Preparation of Inorganic Fiber
Numerical Simulation of Heat Transfer of Roller Slag in Centrifugal Preparation of Inorganic Fiber Open
The synergistic preparation of aluminum silicate ceramic fibers from dust removal ash and fly ash is a newly developed process that achieves green and high added value treatment of solid waste. In this process, the centrifugal fiber formin…
View article: Research and Application of Coupled Mechanism and Data-Driven Prediction of Blast Furnace Permeability Index
Research and Application of Coupled Mechanism and Data-Driven Prediction of Blast Furnace Permeability Index Open
In order to ensure the stable operation of blast furnace production, it is necessary to keep abreast of the trends in the gas permeability index of the blast furnace. As one of the key parameters to be monitored in the process of blast fur…
View article: High-entropy enhanced room-temperature ferroelectricity in rare-earth orthoferrites
High-entropy enhanced room-temperature ferroelectricity in rare-earth orthoferrites Open
Single-phase multiferroic materials of rare-earth orthoferrites with magnetism and ferroelectricity are of great technological importance in storage devices. However, the polarization (P) of these materials is generally weak (0.01 μC·cm−2)…
View article: Facile synthesis of metal carbides with high-entropy strategy for engineering electrical properties
Facile synthesis of metal carbides with high-entropy strategy for engineering electrical properties Open
High-entropy (HE) materials, including multiple principal elements, have gained growing attraction for their unique structural stability and tunable property. However, high temperature is usually required to form a single phase in the prep…
View article: Prediction of Green Properties of Flux Pellets Based on Improved Generalized Regression Neural Network
Prediction of Green Properties of Flux Pellets Based on Improved Generalized Regression Neural Network Open
In order to improve the quality of magnesia flux pellets and meet the production needs of the iron and steel industry, a pellet formation experiment was carried out. The effects of alkalinity R, SiO2 mass fraction, MgO mass fraction on the…
View article: Effect of Al2O3 on Sintering Reaction of Calcium Ferrite
Effect of Al2O3 on Sintering Reaction of Calcium Ferrite Open
Calcium ferrite containing aluminum (CFA) has been widely used in blast furnace production because it is an important compound that affects the quality of sinter. The influence of Al2O3 on CFA preparation process was studied by the raw mat…
View article: Fabrication of Yb:YAG Transparent Ceramic by Vacuum Sintering Using Monodispersed Spherical Y2O3 and Al2O3 Powders
Fabrication of Yb:YAG Transparent Ceramic by Vacuum Sintering Using Monodispersed Spherical Y2O3 and Al2O3 Powders Open
In the present work, Yb:YAG (yttrium aluminum garnet) transparent ceramics were fabricated using monodispersed spherical Y2O3, Al2O3 powders and commercial Yb2O3 nano-powder as raw materials, adding 0.5 wt% tetraethyl orthosilicae (TEOS) t…
View article: Investigation and Modelling of Magnesium Alloy Grain Size during Hot Strip Rolling with Inter-Pass Annealing
Investigation and Modelling of Magnesium Alloy Grain Size during Hot Strip Rolling with Inter-Pass Annealing Open
Hot rolling combined with inter-pass annealing is an important method for increasing plastic deformation and refining the grain size of magnesium alloys. In this study, we statistically analyzed the influence of the number of annealing tre…
View article: Investigations of Thermal Stability and Spectroscopic Features of Sm3+ Doped Strontium Aluminate Glasses
Investigations of Thermal Stability and Spectroscopic Features of Sm3+ Doped Strontium Aluminate Glasses Open
In the present work, a series of Sm3+ doped transparent strontium aluminate glasses with the composition Al2O3-(3-x)SrO: xSm3+ (x = 0, 0.01, 0.03, 0.06, 0.1, 0.2) were fabricated by a containerless process using an aerodynamic levitation f…
View article: Effect of Fe2O3 on Electro-Deoxidation in Fe2O3-Al2O3-NaCl-KCl System
Effect of Fe2O3 on Electro-Deoxidation in Fe2O3-Al2O3-NaCl-KCl System Open
The reduction of Fe2O3-Al2O3 is one of the important reactions in the resource utilization of iron-containing oxide waste. Fe2O3-Al2O3 was electro-deoxidized in the NaCl-KCl system by molten salt electrolysis to prepare FeO/Al2O3. The effe…
View article: High-entropy ceramics: Present status, challenges, and a look forward
High-entropy ceramics: Present status, challenges, and a look forward Open
High-entropy ceramics (HECs) are solid solutions of inorganic compounds with one or more Wyckoff sites shared by equal or near-equal atomic ratios of multi-principal elements. Although in the infant stage, the emerging of this new family o…
View article: Preparation and Property of High Entropy (La<sub>0.2</sub>Li<sub>0.2</sub>Ba<sub>0.2</sub>Sr<sub>0.2</sub>Ca<sub>0.2</sub>)TiO<sub>3</sub> Perovskite Ceramics
Preparation and Property of High Entropy (La<sub>0.2</sub>Li<sub>0.2</sub>Ba<sub>0.2</sub>Sr<sub>0.2</sub>Ca<sub>0.2</sub>)TiO<sub>3</sub> Perovskite Ceramics Open
钙钛矿型(La 0.2 Li 0.2 Ba 0.2 Sr 0.2 Ca 0.2 )TiO 3 高熵氧化物陶瓷的制备及性能研究 张晓燕 1,2,3 , 刘馨玥 1,2 , 闫金华 1,2 , 谷耀行 1,2 , 齐西伟 3,4 (1.东北大学 材料科学与工程学院, 沈阳 110819; 2. 东北大学秦皇岛分校 资源与材料学院, 秦皇岛 066004; 3. 河北省电介质与电解质功能材料重点实验室, 秦皇岛 066004; 4. 华北理工大学 冶金与能源学院, 唐山 0632…