A5026670434- Corrosion Behavior and Inhibition
- Hydrogen embrittlement and corrosion behaviors in metals
- High Entropy Alloys Studies
- Metal and Thin Film Mechanics
- High-Temperature Coating Behaviors
- Advanced materials and composites
- Welding Techniques and Residual Stresses
- Metal Extraction and Bioleaching
- Aluminum Alloy Microstructure Properties
- Numerical methods in engineering
- Advanced Machining and Optimization Techniques
- Electrodeposition and Electroless Coatings
- Aluminum Alloys Composites Properties
- Nanomaterials for catalytic reactions
- MXene and MAX Phase Materials
- Geotechnical Engineering and Underground Structures
- Advanced Welding Techniques Analysis
- Advanced battery technologies research
- Non-Destructive Testing Techniques
- Water Treatment and Disinfection
- Extraction and Separation Processes
- Concrete Corrosion and Durability
- Material Properties and Processing
- Electrocatalysts for Energy Conversion
- Microbial Fuel Cells and Bioremediation
Ocean University of China
2022-2024
University of Science and Technology Beijing
2022-2023
Shanghai Maritime University
2019-2021
The pitting mechanism of 7 series high-strength aluminum (Al) alloys (7xxx) is investigated experimentally and numerically (finite element method, FEM) by comparing the characteristics passive films kinetics two types 7xxx Al alloys. point defect model (PDM) used to evaluate film properties in varieties alloy, FEM employed calculate diffusion process detail. results reveal that exhibit various microstructures, particularly 7xxx-1, characterized a robust (111) fiber texture lower proportion...
The present study envisaged the WC-reinforced nickel composite coatings prepared on surface of 4145H steel using plasma transferred arc (PTA) method. effects different content Y 2 O 3 microscopic morphology, phase composition, micro-hardness and wear behavior were investigated by scanning electron microscopy (SEM) with an energy-dispersive spectrometer (EDS), X-ray diffraction (XRD), test experiments. deposited consisted Ni59 addition 0 wt%, 0.5 wt% 1 . Microstructural observation showed...
Nickel-based composite coatings reinforced by spherical tungsten carbide were deposited on 42CrMo alloy steel using plasma transfer arc welding (PTAW) process. Their electrochemical corrosion properties in NaCl solution under atmospheric and high pressure studied polarization curve, impedance spectroscopy. The erosion resistance of the also investigated salt spray tests. results show that self-corrosion potential increased with increase content, Cr element Ni60 sample formed a stable compact...
Abstract Due to the limitations of experimental testing in material size and time scale, this work presents a mechano-electrochemical bidirectional coupling finite element method (FEM) simulation model on account mechanistic corrosion kinetics understanding Al alloy-316L SS galvanic couple. The behavior anodic dissolution deformation couple 3.5 wt.% NaCl solution were analyzed. effect external load initiation propagation was investigated based Gutman’s theory. FEM reveals that is connected...
Abstract In order to evaluate the effect of rare earth Y 2 O 3 on wear and corrosion properties WC–Ni composite coatings, X-ray diffraction, scanning electron microscopy(SEM), electrochemical polarization curve, impedance spectroscopy (EIS), friction tests were used analyze metallographic structure, characteristics in simulated seawater principle coatings. Results SEM revealed that microstructure added coatings was refined with grains changing smaller impurity disappearing. The EIS results...
Two kinds of Co-based coatings were obtained through the laser cladding (LC) and plasma transfer arc (PTA) process. The phase composition microstructure characterized by X-ray diffraction (XRD) scanning electron microscopy (SEM). corrosion behaviour different alloy in 3.5wt% NaCl solution compared means open-circuit potential (OCP), polarization curve electrochemical impedance spectroscopy (EIS). XRD SEM measurements demonstrated that microstructures two composed primary solid γ-Co eutectic...
The wear and corrosion resistance of Ni-based niobium carbide (NbC) coatings were investigated via scanning electron microscopy, energy dispersive spectrometry, particle size analysis, X-ray diffraction, electrochemical polarization, electrochemicl impedance spectroscopy, digital microhardness testing testing. results showed that the substrate was mainly composed a γ-Cr (Fe) solid solution, composite coating FeNi, NbC, Ni. In addition, hardness increased gradually with increasing NbC...
Abstract The Ni-based coatings were prepared by laser cladding (LC) and plasma transferred arc (PTA) welding, respectively. corrosion behavior of the tested scanning electron microscopy (SEM), X-ray diffraction (XRD), electrochemical corrosion, long-term immersion tests photo spectroscopy (XPS) analysis. results XRD showed that composite comprised Ni, Cr Mo. included polarization curves impendance (EIS). XPS analysis presented samples Fe, Mo oxides, which protected substrate from acid...