A5004181096- High-Temperature Coating Behaviors
- High Entropy Alloys Studies
- Advanced materials and composites
- Nuclear materials and radiation effects
- Metal and Thin Film Mechanics
- Aluminum Alloys Composites Properties
- Microwave Dielectric Ceramics Synthesis
- Nuclear Materials and Properties
- Diamond and Carbon-based Materials Research
- Advanced ceramic materials synthesis
- Additive Manufacturing Materials and Processes
- Catalysis and Oxidation Reactions
- Luminescence Properties of Advanced Materials
- CO2 Reduction Techniques and Catalysts
- Magnesium Alloys: Properties and Applications
- Additive Manufacturing and 3D Printing Technologies
- Aluminum Alloy Microstructure Properties
- Electrocatalysts for Energy Conversion
- Boron and Carbon Nanomaterials Research
- Titanium Alloys Microstructure and Properties
- Metallurgical Processes and Thermodynamics
- Advanced Materials Characterization Techniques
- Electrical and Thermal Properties of Materials
- Manufacturing Process and Optimization
- Microstructure and mechanical properties
Henan University of Engineering
2016-2025
Changchun University of Science and Technology
2025
Huanghe Science and Technology College
2022-2024
Zhengzhou University
2007-2020
Abstract Immersion tests and potentiodynamic polarization measurements were conducted in 1 M sulfuric acid solution (H 2 SO 4 ) at ambient temperature (∼25 °C) to investigate the corrosion behavior of CuCrFeNiMn alloy system. The results show that alloys display a good general resistance is mainly influenced by Cu content elemental segregation degree. degrades when increasing Among tested alloys, CuCr Fe Ni Mn with low degree displays better resistance. On contrary, CrFe NiMn high exhibits worst
CoxCrCuFeMnNi high-entropy alloys (HEAs) were prepared by vacuum hot pressing sintered. The corrosion behavior has been evaluated using potentiodynamic polarization measurements and electrochemical impedance spectra (EIS). current density (icorr) average rate (Vcorr) of the decreased with increase Co content. When content increased to 2.0 mol from 0.5 mol, values icorr Vcorr 6.95 × 10−6 A cm−2 0.07 mm year−1 4.04 10−5 0.43 year−1, respectively. EIS results reveal that thickness resistance...
Aerogels were prepared by reducing metal precursors with NaBH 4 . The black precipitate obtained was left standing at room temperature until no more bubbles observed. then freeze-dried overnight to remove water molecules.
Abstract The high-temperature oxidation performance of Cu0.3Cr2Fe2Ni3Mn2Nbx (x=0, 0.2, 0.4 mol, named Nb0, Nb0.2, and Nb0.4, respectively) high-entropy alloys (HEAs) was investigated using a constant-temperature discontinuous weighing method at 800 °C. the three HEAs follows parabolic law. After 50 h oxidation, Nb0.4 alloy has lowest weight gain, approximately 0.016 mg·cm-2. As Nb content increases, Kp value decreases. is smallest, about 1.52 × 10-11 g2·cm-4·s-1, indicating that an increase...
CoxCrCuFeMnNi (x = 0, 0.5, 1.0, 1.5, 2.0 mol, named as Co0, Co0.5, Co1.0, Co1.5, and Co2.0, respectively) high-entropy alloys (HEAs) were prepared by powder metallurgy. The phase formation, elemental synergistic effect, magnetic properties of HEAs studied. effect on the was also discussed. Co0 alloy comprised FCC1 main phase, FCC2 secondary minor ρ whereas other phase. When Crequiv>1.22Coequiv+16.4 satisfied, a BCC + FCC or structure easily formed in alloys. Crequiv≤1.22Coequiv+16.4 an...
NbxCu0.3Cr2Fe2Ni3Mn2 (x = 0, 0.2, and 0.4; named Nb0, Nb0.2, Nb0.4, respectively) high-entropy alloys (HEAs) were prepared using arc melting process. The effect of Nb content on the microstructure corrosion behavior HEAs in HNO3 solution was studied. Nb0 Nb0.2 are composed a single FCC phase, whereas Nb0.4 alloy is + Laves phase. In 10% 30% solutions, immersion rate potentiodynamic polarization showed trend first increasing then decreasing with increase content. After 30 days corrosion,...
CoCrCuFeMnNix (x = 0, 0.5, 1.0, 1.5, 2.0 mol, named as Ni0, Ni0.5, Ni1.0, Ni1.5, and Ni2.0, respectively) high-entropy alloy powders (HEAPs) were prepared via mechanical alloying (MA), XRD, SEM, EDS, vacuum annealing used to study the behavior, phase transition, thermal stability. The results indicated that Ni1.0 HEAPs alloyed at initial stage (5-15 h), metastable BCC + FCC two-phase solid solution structure was formed, disappeared gradually with prolonging of ball milling time. Finally, a...
The effects of heat treatment temperature on the microstructure and mechanical properties Cu0.3Cr2Fe2Ni3Mn2Nbx high-entropy alloys (HEAs) were studied. Results indicate that in as-cast state, an Nb0 alloy is composed a single FCC phase, Laves phase gradually forms as Nb content increases. After at 800 °C, BCC solid solution phases rich Cr, Fe, Mn form all alloys. Nb0.2 Nb0.4 decompose after 900 1000 respectively, microhardness HEAs increases from 127 to 203 HV with increasing content....
To optimise the performance of high entropy alloy nitride films, (AlCrMnMoNiZr)N films were deposited through reactive radio frequency magnetron sputtering at a certain N 2 /Ar flow ratios 0·5. The effects power and substrate temperature on structure properties investigated. Results showed that had strong phase transformation from amorphous to face centred cubic solid solution with (200) preferred orientation. coarsened grains higher hardness because inverse Hall–Petch effect. When...