Current Research Projects 2004
- An Energy Savings Model for Heat Treatment of Casting
- Carburization Process Modeling
- Characterization of Thermal Barrier Coatings Deposited by Electron Beam-Physical Vapor Deposition
- Computer Aided Heat Treatment Planning Systems for Continuous Furnaces
- Electrospinning of Biopolymers
- Evolution of the Eutectic Microstructure during Solidification of HypoeutecticAl-Si Alloys
- Fatigue Mechanisms in P/M Components
- Gas Quenching-understanding, controlling and optimizing the process
- Induction Hardening Process Modeling and Simulation
- Infra-Red and On-Line Electrostatic Testing of Green-State and Sintered P/M Compacts for Process Control
- Low Cost and Energy Efficient Methods for Manufacture of Semi-Solid (SSM) Feedstock
- Materials and Process Design for High-Temperature Carburizing
- Microstructure Evolution in Magnesium Casting Alloys
- Modeling and Simulation of SSM Rheology
- Modeling the Heat Treatment Response of P/M Components
- Operating Mechanisms During Dynamic Loading of Al Cast Components
- Optimization of Heat Treatment Using Fluidized Bed Reactors
- Process Based Cost Analysis for Solid Oxide Fuel Cells for APLs
- Quenching-Understanding, Controlling and Optimizing the Process
Computer Aided Heat Treatment Planning Systems for Continous Furnaces
Advisor:
Y. Rong
Students:
Rohit Vaidya, Weiwei Wang, Rahul Jian
Description:
Heat treatment is one important manufacturing process to control the microstructure and mechanical properties of mechanical parts. A computer-aided heat treatment planning system (CAHTPS) fro batch furnaces has been developed. The objective of the project is to develop an analytical tool for guiding the part load design, load moving speed decision and temperature control through the heat transfer analysis in continuous furnaces, then to optimize the heat treatment process design, and finally to save energy and reduce cost.
Induction Hardening Process Modeling and Simulation
Advisor:
Prof. Rong
Participants:
Dr. Jiankun Yuan
Description:
Induction hardening is an important manufacturing process to control the mechanical properties of metal parts where surface hardness is enhanced while the core retains the toughness. This project studies the modeling and simulation of the induction hardening processes with the finite element analysis (FEA) method. A coupled electromagnetic-thermal model is applied to the induction heating process. The temperature distributions in parts are obtained in heating and cooling. The induction heating and quenching are highly nonlinear processes because the materials properties of the parts are temperature dependent. The final hardening processes involve the determination of Martensite volume content and hardness value. An algorithm is utilized to determine the volume fraction of diffusion controlled phase transformation and the Martensite content. Finally, the hardness value is converted from Martensite content.
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