- Metal Forming Simulation Techniques
- Metallurgy and Material Forming
- Microstructure and Mechanical Properties of Steels
- Microstructure and mechanical properties
- High-Velocity Impact and Material Behavior
- Aluminum Alloy Microstructure Properties
- High Entropy Alloys Studies
- Aluminum Alloys Composites Properties
- Metal Alloys Wear and Properties
- Advanced Surface Polishing Techniques
- High-Temperature Coating Behaviors
- Transportation Safety and Impact Analysis
- Vehicle Dynamics and Control Systems
- Laser and Thermal Forming Techniques
- Shape Memory Alloy Transformations
- Microwave Engineering and Waveguides
- Titanium Alloys Microstructure and Properties
- Advanced Welding Techniques Analysis
- Electrowetting and Microfluidic Technologies
- Laser Material Processing Techniques
- Surface Modification and Superhydrophobicity
- Industrial Technology and Control Systems
- Advanced Sensor and Control Systems
- Electric and Hybrid Vehicle Technologies
- Magnesium Alloys: Properties and Applications
TU Dortmund University
2024-2025
Seoul National University
2022-2024
Tongji University
2011-2022
Propulsion Science and Technology (United States)
2018
Beihang University
2016
North China Electric Power University
2015-2016
Constitutive modeling of sheet metals under plane strain state is important but challenging. Recent studies report that the yield strength and plastic rate in mode exhibit strong anisotropy. To address anisotropy, fourth-order polynomial functions (Poly4) stress tensor were applied to potential non-associated flow rule (NAFR-Poly4). The stresses near-plane (NPS) measured along three angles from rolling direction used for an analytical determination parameters function commonly uniaxial...
Lightweight design and development of automobiles are strongly dependent on lightweight high-strength sheet metals. An accurate prediction anisotropy yield surface evolution these materials under different sampling directions biaxial tension (BT) is a necessary condition for the numerical analyses stamping forming. In this work, Hill48 model considering principal stress direction generalized to describe anisotropic loci normal diagonal planes. The material parameters M-Hill48 (GM-Hill48)...
ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTDroplet Manipulation on Wettable Gradient Surfaces with Micro-/Nano-Hierarchical StructureYong P. Hou‡, Shi L. Feng‡, Li M. Dai*§, and Yong Zheng*‡View Author Information‡ Key Laboratory of Bio-Inspired Smart Interfacial Science Technology Ministry Education, School Chemistry Environment, Beihang University, Beijing, 100191, People's Republic China§ Center Advanced Engineering for Carbon, Department Macromolecular Engineering, Case Western...
Abstract Lightweight sheet metals are highly desirable for automotive applications due to their exceptional strength-to-density ratio. An accurate description of the pronounced plastic anisotropy exhibited by these materials in finite element analysis requires advanced plasticity models. In recent years, significant efforts have been devoted developing models and numerical methods based on non-associated flow rule (non-AFR). this work, a newly proposed coupled quadratic non-quadratic model...
The anisotropic behavior of cold-rolled sheet metals has been extensively studied, typically characterized by uniaxial loading tests in different directions to determine yield strengths and plastic flow (Lankford r-values). However, biaxial principal stress states often focus solely on loci the RD/TD (rolling/transverse) directions, with limited studies other directions. This study analyzes relationship between material based Hill48 function. Biaxial tensile are conducted DP590 high-strength...
The hot-flow behaviors of Al-Mg-Si alloy are complex because they depend on ε, ε˙, and T. Hence, it is vital to understand determine the alloy's flow under several deformation conditions. Therefore, in this study, Crystal Plasticity (CP) modeling, modified Zerilli-Armstrong (MZA), two JC models were developed precisely hot alloy. reliability predictability these evaluated via comparisons determined experimental results acquired ε˙ range 10-3 1 s-1 T 400-550 °C. Additionally, statistical...