A5102784210- High Temperature Alloys and Creep
- Advanced Surface Polishing Techniques
- Advanced machining processes and optimization
- Microstructure and Mechanical Properties of Steels
- Nuclear Materials and Properties
- Muscle activation and electromyography studies
- Welding Techniques and Residual Stresses
- Prosthetics and Rehabilitation Robotics
- Fatigue and fracture mechanics
- Vehicle Dynamics and Control Systems
- Fire effects on concrete materials
- Additive Manufacturing Materials and Processes
- Characterization and Applications of Magnetic Nanoparticles
- Control and Stability of Dynamical Systems
- Metallurgy and Material Forming
- Hydrogen embrittlement and corrosion behaviors in metals
- Diamond and Carbon-based Materials Research
- Tunneling and Rock Mechanics
- Iterative Learning Control Systems
- Stroke Rehabilitation and Recovery
- Advanced Sensor and Control Systems
- Additive Manufacturing and 3D Printing Technologies
- Laser Material Processing Techniques
- Intermetallics and Advanced Alloy Properties
- Nuclear Physics and Applications
Hebei University of Technology
2024-2025
University of Science and Technology
2014
Akita Prefectural University
2012-2013
Qiqihar University
2012
Fudan University
2009-2011
Shenzhen Radio and TV University
2010-2011
Dissimilar steels welded joints, between ferritic steel and austenitic stainless steel, are always encountered in high-temperature components power plants. As two new grade T92 (9Cr0.5Mo2WVNb) HR3C (TP310HCbN), exhibit superior heat strength at elevated temperatures increasingly applied ultra-supercritical (USC) plants around the world, a complete assessment of properties for T92/HR3C dissimilar joints is urgently required. In this paper, metallographic microstructures across joint were...
Abstract Grade 316L is a type of austenitic stainless steel with ultra‐low carbon content and it exhibits superior corrosion resistance. However, pitting always observed in when exposed to media containing halide ions. In the present study, we found that presence acetate acid (HAc) chloride or bromide ions, occurred on surface rotary steam pipes matrix material terephthalic (TA) dryer. order identify causes failure, metallographic structures chemical compositions were inspected by an optical...
Abstract The wearable exoskeleton system is a typical strongly coupled human–robotic system. Human–robotic the environment for each other. two support other and compete with Achieving high compatibility most critical technology systems. Full structural can improve intrinsic safety of exoskeleton, precise intention understanding motion control comfort exoskeleton. This paper first designs physiologically functional bionic lower limb based on study bone joint anatomy analyzes drive mapping...
A kind of zirconia-coated carbonyl-iron-particles (CIPs), which show long-time stability against aqueous, is installed in magnetic compound fluid (MCF) to polish PMMA. Performance (normal polishing force and surface roughness) CIP based MCF slurry with different concentrations investigated. For comparison, the performances conventional non-coated (i.e., HQ) MRF DI-water employed instead MF are also examined. In presence Al2O3 abrasive particles, use can not result better compared HQ slurry;...
Ultrasonic vibration assisted processing is well known for the improvement in machined surface quality and efficiency due to reduced forces tribology-generated heating when grinding hard-brittle materials. We transplanted this philosophy chemo-mechanical fixed abrasive polishing of optical glass, namely fused silica, an attempt improve roughness and/or material removal rate. Experiments were conducted elucidate fundamental characteristics silica presence absence ultrasonic on a setup with...
Based on the theory of target curve, a method improving flatness curve is proposed. The transverse temperature distributions strip are measured and described with biquadratic expression, statistics used to analyze distributions. Finally, additional stress compensation calculated improve shape.
The present work deals with the simulation investigation of chip formation in ultrasonically assisted grinding (UAG) SiC ceramics single diamond abrasive grain order to reveal material removal mechanism UAG materials. In simulation, smooth particle hydrodynamic (SPH）method coupling FEM modeling is employed overcome large distortions that occur analysis point cutting process when only finite element method (FEM) used. abrasive-grain modeled while target workpiece by SPH particles. results...
This paper introduces a kind of electro-controlled steering damper’s structure and working principle which uses the magnetorheological fluid as medium. In order to design controll system damper, model damper based on are established through dynamic equations, PID controller is used. At last, simulates using simulation language Modelica Works, flatform for comp lex physical modeling simulation. The results show that can effectively increase stabilizing speed system, decrease over run...
Ultrasonic assisted grinding experiments were carried out to evaluate the effects of ultrasonic vibration (UV) on face characteristics nickel based superalloy Rene77. In experiments, an electroplated cBN wheel was ultrasonically vibrated dominantly along its axis. The experimental results indicated that X-axis and Y-axis components forces with UV smaller by 44.5% 31.6%, respectively, than those without UV. usual fractures debris surface workpiece disappeared work-surface roughness Ra...
The extreme and repeated temperature variation during additive manufacturing of metal parts has a large effect on the resulting material microstructure properties. ability to accurately predict this field in detail, relate it quantitatively structure properties, is key step predicting part performance optimizing process design. In work, finite element simulation Directed Energy Deposition (DED) used space- time-dependent multi-layer build for Inconel 718 walls. thermal model validated using...
The paper introduces an electro-controlled steering damper’s working principle, which uses the magnetorheological fluid as medium, and derives controlling calculating method. wheel’s return control strategies of it are investigated. In order to compare effect PD controller with fuzzy controller, a simulation model vehicle’s system is established on MATLAB/SIMULINK. Then simulate returning process front wheels at medium high vehicle speed. results show that equipped damper can restrain...
For the kineto-static analysis of complex planar linkage, procedure based on vector bond graph is proposed. The constraint force vectors at joints can be considered as unknown effort source and added to corresponding 0-junctions system model, most differential causalities in model eliminated . In case mixed causality, unified formulae driving moment forces are derived graph, which easily a computer complete form. As result, very difficult algebraic problem caused by causality nonlinear...