A5019596606- Advanced Welding Techniques Analysis
- Welding Techniques and Residual Stresses
- Aluminum Alloys Composites Properties
- Microstructure and Mechanical Properties of Steels
- High-Temperature Coating Behaviors
- High Entropy Alloys Studies
- Metal and Thin Film Mechanics
- Metal Alloys Wear and Properties
- Aluminum Alloy Microstructure Properties
- Gynecological conditions and treatments
- Magnesium Alloys: Properties and Applications
- Engineering Applied Research
- Hydrogen embrittlement and corrosion behaviors in metals
- Advanced Machining and Optimization Techniques
- Fatigue and fracture mechanics
- Advanced Materials Characterization Techniques
- Metallurgy and Material Forming
- Corrosion Behavior and Inhibition
- Metal Forming Simulation Techniques
- Ovarian function and disorders
- Ovarian cancer diagnosis and treatment
- Tribology and Wear Analysis
- Additive Manufacturing and 3D Printing Technologies
- Intermetallics and Advanced Alloy Properties
- Advanced materials and composites
Osaka University
2019-2024
Zhejiang University of Technology
2023-2024
Nanjing University of Chinese Medicine
2022
Jiangsu Province Hospital
2022
Shanghai Shipbuilding Technology Research Institute
2019-2020
Chongqing University
2017-2019
Harbin University of Science and Technology
2011
Carbon fiber reinforced plastic (CFRP) is a prospective lightweight material in automobile industry. However, joining metal and CFRP great challenge. In the present study, an innovative process called coaxial one-side resistance spot welding (COS-RSW) proposed to fabricate Al5052 (Al) joints. Based upon our newly developed finite element code JWRIAN, electric-thermal-mechanical coupled of COS-RSW modeled validated with experiments. The influences current, time electrode force on molten zone...
In the present research, laser circle welding (LCW) was proposed to join dual-phase steel (DP980) and carbon fiber-reinforced plastic (CFRP). The appearance, cross-section of welded joint fracture surfaces were subjected multi-scale characterizations. Joining strength evaluated by single-lap shear test. Moreover, a numerical model established based on in-house finite element (FE) code JWRIAN-Hybrid reproduce thermal process LCW. results showed that successful bonding achieved with power...
Coaxial one-side resistance spot welding (COS-RSW) is an advanced technique for joining CFRP/metal dissimilar materials. In the present work, a three-dimensional model was developed based upon in-house finite element code JWRIAN-SPOT to simulate multi-physical process of COS-RSW. The thermal cycle and strength COS-RSW joints with different parameters were measured experimentally. sensitivity material properties electrode couple component accumulated heat generation discussed in detail....
In the present research, coaxial one-side resistance spot welding was performed to join Al5052 and CFRP sheets with different currents. The mechanical performance of cross-lap joint clarified experimentally. cross-section welded fracture surfaces subjected multi-scale characterization. behaviours mechanisms joints are discussed in detail. results showed that thermal degradation detected on under a 6000 A current O element enriched decomposed area. joining zone could be divided into four...
The combined effects of section size together with antimony addition on formation chunky graphite in ductile iron were investigated by characterising morphology, nodule count and size. Results show that the increased casting leads to an increase spheroidal diameter a decrease count. Meanwhile, all is except 90 mm thickness casting, which clearly emerges. Moreover, same tendency concerning observed castings 0·012 mass-% as cooling rate decreases. However, refined compared Sb free castings,...
Abstract In the present research, a digital twin of coaxial one-side resistance spot welding (COS-RSW) was established for real-time prediction transient temperature field. A three-dimensional (3D) model COS-RSW joint developed based on in-house finite element (FE) code JWRIAN-SPOT. The experimental verified FE employed to generate big data process. Multiple dimension interpolation applied process database and output prediction. can predict thermal cycle joints under different parameter...
Coaxial one-side resistance welding (COS-RSW) is an advanced joining technology for the metal-plastic hybrid structure, which has great application potential in lightweight design of body-in-white. In present research, Al5052-CFRP cross-lap joints were fabricated by COS-RSW with different conditions. The author-developed finite element (FE) code JWRIAN-RSW was employed to reproduce multi-physics coupled phenomena and predict thermal history. influence current time on molten zone generation...
Abstract Coaxial one-side resistance spot welding (COS-RSW) is a newly developed process for joining metals and composites. In the present study, Al5052 carbon-fiber-reinforced plastic (CFRP) lap joints were fabricated via COS-RSW. The was modeled numerically using an in-house finite element code called JWRIAN. Single-lap shear tests performed to evaluate strength. molten zone diameter defined measured experimentally verify numerical model. An artificial neural network (ANN) established...
The spark plug is one of the important components in gasoline engine's combustion chamber. To reduce vehicle emissions, platinum selected due to its good performance. Due high productivity resistance spot welding (RSW), a micro-scale RSW process employed assemble tip Inconel600 part production plugs. In order understand electric-thermal-mechanics phenomena during micro for controlling quality and saving electric energy, three-dimensional simulation model in-house finite element program...
A series of engineering application studies related to hydrogen damage has been carried out for the eutectic high-entropy alloy (HEA) AlCoCrFeNi2.1 with excellent comprehensive properties. This work mainly introduces element segregation and microstructure evolution phenomenon near surface phase boundary around precipitated found in experiment material. Studies have shown that near-surface HEAs caused by charging a great influence on trap density inside alloy. The "self-resistance effect" is...
Micro-arc oxidation (MAO) is very effective to enhance the corrosion performance of Mg alloys. However, micro-pores in MAO coatings provide a channel for medium reach alloy matrix. In this work, electron beam strengthening (EBS) performed improve microstructure and coating prepared subsequently performance. The crystalline size decreases, roughness improves, resistance increases. Furthermore, refinement grain by EBS improves discharge MAO. noticeable effect on lies improvement density, such...