Fengming Du
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View article: Overview of Wear-Resistant Coatings in Marine Environments
Overview of Wear-Resistant Coatings in Marine Environments Open
Marine engineering equipment operates under extreme conditions such as high salinity, humidity, and flow velocity during marine resource exploration. These harsh environments impose strict requirements on surface performance, especially in…
View article: Investigation on the Flow and Solidification Characteristic of Steel During Continuous Casting
Investigation on the Flow and Solidification Characteristic of Steel During Continuous Casting Open
The flow and solidification inside the mould are crucial to the quality of the casting billet during continuous casting. In this work, a three-dimensional coupled model of flow and solidification was established, and the flow field and tem…
View article: Investigation on the Flow and Heat Transfer Behavior of Molten Steel During Continuous Casting
Investigation on the Flow and Heat Transfer Behavior of Molten Steel During Continuous Casting Open
The flow and heat transfer inside the mold play an important role in the quality of the casting billet during continuous casting. In this work, a three-dimensional coupled model of flow and heat transfer was established, and the flow field…
View article: Multilayer coating of spherical gun propellants via fluidized bed techniques: Enhanced combustion performance and storage stability
Multilayer coating of spherical gun propellants via fluidized bed techniques: Enhanced combustion performance and storage stability Open
View article: Study on the Dynamic Characteristics of Floating Production Storage and Offloading Units and Steel Catenary Risers Under the Action of Internal Solitary Waves
Study on the Dynamic Characteristics of Floating Production Storage and Offloading Units and Steel Catenary Risers Under the Action of Internal Solitary Waves Open
In the ocean, internal solitary waves (ISW) pose a serious threat to the safety of marine engineering structures such as floating production storage and offloading (FPSO) units and steel catenary risers (SCRs). In this work, a calculation …
View article: The Exposure Height of Silicon Particle with Round Edges Effect on the Tribological Property of Al-Si Alloy Cylinder Liner
The Exposure Height of Silicon Particle with Round Edges Effect on the Tribological Property of Al-Si Alloy Cylinder Liner Open
In order to improve the wear resistance of Al-Si alloy cylinder liners, surface treatment is usually used. The Al-Si alloy cylinder liner samples were prepared by mechanical grinding and laser finishing. The mechanical grinding samples wer…
View article: Structural Characteristics of Corrugated Steel Inner Walls in Liquefied Natural Gas Ship Membrane Compartments
Structural Characteristics of Corrugated Steel Inner Walls in Liquefied Natural Gas Ship Membrane Compartments Open
Under high sea conditions, liquefied natural gas (LNG) ships undergo significant shaking, which can affect the deformation and stress levels in the membrane tank walls. In this work, the structural characteristics of the corrugated steel i…
View article: Enhancing the precision of continuum robots in orthopedic surgery based on mechanical principles
Enhancing the precision of continuum robots in orthopedic surgery based on mechanical principles Open
Introduction In the field of orthopedic surgery, the notched continuum robot has garnered significant attention due to its passive compliance, making it particularly suitable for procedures in complex and delicate bone and joint regions. H…
View article: Experimental and numerical analysis of mechanics and fracture characteristics of engine compressor
Experimental and numerical analysis of mechanics and fracture characteristics of engine compressor Open
Investigating the fatigue failure behavior of compressor fan blades and their materials in aero-engines is a crucial research area. This paper focuses on the compressor fan blades and their constituent materials of aero-engines. Firstly, f…
View article: Investigation of the Flow Characteristics of Coated Slag during Continuous Casting
Investigation of the Flow Characteristics of Coated Slag during Continuous Casting Open
During continuous casting, coated slag is applied to molten steel to enhance heat transfer and lubrication. In this study, a numerical calculation model was built to reveal the flowing characteristic of slag according to the fundamental pr…
View article: Effect of a Substrate’s Preheating Temperature on the Microstructure and Properties of Ni-Based Alloy Coatings
Effect of a Substrate’s Preheating Temperature on the Microstructure and Properties of Ni-Based Alloy Coatings Open
Laser cladding is a new technology to fabricate a coating on the surface of a metal substrate. The properties on copper substrates are usually not very good due to the high thermal conductivity and reflectivity. The appropriate preheating …
View article: Research on the carbon emission reduction of internal combustion engines by reducing friction work
Research on the carbon emission reduction of internal combustion engines by reducing friction work Open
The increase in carbon dioxide emissions is a key factor leading to the warming of the Earth’s climate system and the intensification of the greenhouse effect. Internal combustion engines have a significant impact on carbon emissions. For …
View article: Tribological Performance and Scuffing Resistance of Cast-Iron Cylinder Liners and Al-Si Alloy Cylinder Liners
Tribological Performance and Scuffing Resistance of Cast-Iron Cylinder Liners and Al-Si Alloy Cylinder Liners Open
In order to better determine the applicable working conditions of Al-Si alloy cylinder liners and cast-iron cylinder liners, their tribological performance and scuffing resistance are discussed in this paper. After wear and scuffing tests,…
View article: Flow and Influencing Factors of Coated Slag in Continuous Casting Mold
Flow and Influencing Factors of Coated Slag in Continuous Casting Mold Open
In the continuous casting, the protective slag is coated on the surface of the molten steel, which is an important factor affecting the quality of the billet. The liquid slag layer on the surface of molten steel should be kept at an approp…
View article: Analysis of Flow and Fluctuation Characteristics in Coated Slag Using a 2D Model in the Meniscus Region of Mold
Analysis of Flow and Fluctuation Characteristics in Coated Slag Using a 2D Model in the Meniscus Region of Mold Open
Steel is mainly produced through continuous casting; molten steel flows into the mold from the tundish, where it cools and then enters the secondary cooling zone, ultimately solidifying into a billet. During the continuous casting producti…
View article: Investigation on the tribological property of marine engine bearing
Investigation on the tribological property of marine engine bearing Open
The marine engine is one of the core devices of the ship. With the continuous progress of science and technology, marine engines are developing towards high power density, and the related tribological problems are more prominent. As one of…
View article: Microstructure and Wear Resistance of Ni–WC–TiC Alloy Coating Fabricated by Laser
Microstructure and Wear Resistance of Ni–WC–TiC Alloy Coating Fabricated by Laser Open
In this study, a Ni–WC–TiC alloy coating was fabricated by laser to improve the wear resistance and service life of Cr12MoV die steel. The microstructures and phases of the coating were analyzed by a scanning electron microscope (SEM), an …
View article: Correction: Progressive Failure Analysis of Composite/Aluminum Riveted Joints Subjected to Pull-Through Loading
Correction: Progressive Failure Analysis of Composite/Aluminum Riveted Joints Subjected to Pull-Through Loading Open
View article: Progressive Failure Analysis of Composite/Aluminum Riveted Joints Subjected to Pull-Through Loading
Progressive Failure Analysis of Composite/Aluminum Riveted Joints Subjected to Pull-Through Loading Open
Out-of-plane mechanical properties of the riveted joints restrict the performance of the wing box assembly of airplane. It is necessary to investigate the pull-through performance of the composite/metal riveted joints in order to guide the…
View article: Development of Subsea Pipeline Buckling, Corrosion and Leakage Monitoring
Development of Subsea Pipeline Buckling, Corrosion and Leakage Monitoring Open
Oil and gas exploration is a sector which drives the global economy and currently contributes significantly to global economic development. The safety of subsea pipelines is deeply affected by factors such as pipeline buckling, corrosion a…
View article: Simulation and Experimental Research on the Failure of Marine Sliding Bearings
Simulation and Experimental Research on the Failure of Marine Sliding Bearings Open
The performance of the marine sliding bearing affects the reliability of marine engineering directly. Nevertheless, sliding bearings are subjected to frictional forces and problems, such as wear and fatigue, that occur after long-term use,…
View article: Research on the Influence of Process Parameters on the Flow Field in Mold
Research on the Influence of Process Parameters on the Flow Field in Mold Open
The mold is one of the core components of steelmaking, and its flow field distribution will directly affect the quality of the casting slab. A three-dimensional nozzle model is built in this work, and fluid simulation is carried out to inv…
View article: Wear Performance of Circular Shim against Cam in Engine Bench Test
Wear Performance of Circular Shim against Cam in Engine Bench Test Open
Unlike the conventional engine, the valve train of a certain type of engine uses a circular shim instead of a tappet to wear against the cam. To verify the reliability of the shim, an engine bench test was used to test its wear performance…
View article: Overview of Friction and Wear Performance of Sliding Bearings
Overview of Friction and Wear Performance of Sliding Bearings Open
Sliding bearings are critical components of the internal combustion engine. Friction and wear occur in the contact area between the shaft and the bearing. Significant wear can occur in poor working conditions or after a long service time, …
View article: Research Progress Regarding the Use of Metal and Metal Oxide Nanoparticles as Lubricant Additives
Research Progress Regarding the Use of Metal and Metal Oxide Nanoparticles as Lubricant Additives Open
Lubricating oil can effectively reduce friction between mechanical parts, thereby reducing energy consumption and improving service life and reliability. Due to the development of science and technology, it is necessary to improve the perf…
View article: The Microstructural Evolution of Cu-Sn-P Alloy during Hot Deformation Process
The Microstructural Evolution of Cu-Sn-P Alloy during Hot Deformation Process Open
The microstructure evolution of Cu-Sn-P alloy subjected to hot deformation was researched through electron backscatter diffraction (EBSD) and transmission electron microscope (TEM) in the present study. The results indicated that after hot…
View article: The Effects of Nozzle Inclination, Area Ratio, and Side-Hole Aspect Ratio on the Flow Behavior in Mold
The Effects of Nozzle Inclination, Area Ratio, and Side-Hole Aspect Ratio on the Flow Behavior in Mold Open
During the steel continuous casting, the submerged entry nozzle (SEN) plays a crucial role in the fluid characteristic of fluid steel, which further affects the slab quality. In this paper, a nozzle model is developed to study the influenc…
View article: Influence of Nozzle Design on Flow Characteristic in the Continuous Casting Machinery
Influence of Nozzle Design on Flow Characteristic in the Continuous Casting Machinery Open
In the process of continuous casting, the submerged nozzle will affect the flow of the liquid steel and the quality of the slab. In this paper, three nozzle structures are investigated to compare the influence of the nozzle structure on th…
View article: Fluid Characteristics Analysis of the Lubricating Oil Film and the Wear Experiment Investigation of the Sliding Bearing
Fluid Characteristics Analysis of the Lubricating Oil Film and the Wear Experiment Investigation of the Sliding Bearing Open
The sliding bearing is an important component in machines. The characteristics of the oil film fluid of the sliding bearing is the key factor affecting lubrication, which will affect the wear and reliability of the sliding bearing. Herein,…
View article: An Extended Spring-mass Model of Single-lap Multi-bolt Composite Joints Considering Assembly Gap and Gap Shimming
An Extended Spring-mass Model of Single-lap Multi-bolt Composite Joints Considering Assembly Gap and Gap Shimming Open
To investigate the effect of assembly gap and shim on single-lap multi-bolt composite joint stiffness, an analytical model based on the spring-mass method was proposed, which converted the multi-bolt joints into individual single-bolt join…