A5035625501- High-Temperature Coating Behaviors
- Advanced materials and composites
- High Entropy Alloys Studies
- Metal and Thin Film Mechanics
- Additive Manufacturing Materials and Processes
- Tunneling and Rock Mechanics
- Diamond and Carbon-based Materials Research
- Metallic Glasses and Amorphous Alloys
- Glass properties and applications
- Tribology and Wear Analysis
- Metal Alloys Wear and Properties
- Surface Modification and Superhydrophobicity
China University of Geosciences (Beijing)
2021-2024
Jiangsu University of Science and Technology
2023-2024
In order to save the time and cost of friction wear experiments, coating composition (different contents Al, Ti, Cu elements), ratio hardness elastic modulus (H3/E2), vacuum heat treatment (VHT) temperature, form were used as input variables, rates high-entropy alloy (HEA) coatings output variables. The dataset was entirely obtained by experiment. Four machine learning algorithms (classification regression tree (CART), random forest (RF), gradient boosting decision (GBDT), adaptive...
In order to improve the wear resistance of offshore drilling equipment, CoCrFeNiMn high-entropy alloy coatings were prepared by cold spraying (CS) and high-speed oxygen fuel (HVOF), subjected vacuum heat treatment at different temperatures (500 °C, 700 °C 900 °C). The friction experiments before after carried out in simulated seawater fluid. results show that CS HVOF have dense structure bond well with substrate. After treatment, main peaks all oriented FCC phases are broadened peak strength...
Abstract The WC-10Co4Cr coatings with conventional structure and bimodal were sprayed by high-velocity oxygen fuel (HVOF) technology. phase compositions morphologies of the powders analyzed X-ray diffraction (XRD) scanning electron microscopy (SEM). microhardness, porosity, bonding strength, elastic modulus, indentation fracture toughness coating (Conventional) (Bimodal) also studied. sliding wear properties Conventional Bimodal against Si3N4 counterballs under different loads at room...
the HVOF spraying technology was used to prepared (AlCoCrFeNi)1-x(WC10Co4Cr)x composite coatings with varying WC10Co4Cr content on 40CrMnMoA steel . The SEM, EDS, XRD and XPS were analyze coatings' microstructure, phase structure chemical valence states of wear scratches. A single point automatic digital microhardness tester measures microhardness, nano-indenter nanohardness elastic modulus, tensile test bonding strength. friction testing machine tested as behaviors coatings. results showed...