Development of an Automated Control System for Selection of Optimal Process Parameters in Welding Using Solar Energy Concentration. The objective of this proposed research is to develop an intelligent control system for selection of optimal process parameters in welding using solar energy concentration. This investigation endeavours to address the complex interaction between welding process parameters and quality of weld. The results of the work will lead to signicant advancement of knowledge ....Development of an Automated Control System for Selection of Optimal Process Parameters in Welding Using Solar Energy Concentration. The objective of this proposed research is to develop an intelligent control system for selection of optimal process parameters in welding using solar energy concentration. This investigation endeavours to address the complex interaction between welding process parameters and quality of weld. The results of the work will lead to signicant advancement of knowledge in automation of the welding process and will generate global interest due to its innovation and applications in automotive manufacturing and steel fabrication industries. The research activity proposed in this application is expected to further strengthen the links between QUT and Mokpo National University and will enhance the capabilities of both universities in attracting funding from local manufacturing industries.Read moreRead less
Studies on the Weld Characterstics and Weldability of Welded Joints with Alternate Supply of Shileding Gases in Welding. In today's dynamic changing environment, for industries to remain internationally competitive, traditional manufacturing techniques used for welding have to become more flexible and intelligent to attain better adaptability and higher productivity. In industrial applications of MIG/MAG welding processes, various types of shielding gases are used based on type of work material ....Studies on the Weld Characterstics and Weldability of Welded Joints with Alternate Supply of Shileding Gases in Welding. In today's dynamic changing environment, for industries to remain internationally competitive, traditional manufacturing techniques used for welding have to become more flexible and intelligent to attain better adaptability and higher productivity. In industrial applications of MIG/MAG welding processes, various types of shielding gases are used based on type of work material and weld quality required. In this proposed research, experimental studies will be conducted on welding productivity by using different shielding gas combinations. The aim of this project is to conduct experimental analysis on weld arc phenomenon, weld pool behavior, and weld quality and to build an intelligent system for the selection of optimum combination shielding gas mixtures. In addition this study also aims to examine how the microstructure and mechanical properties of different welds are influenced by the use of different shielding gases combinations.Read moreRead less
Development of Knowledge Based Process Planning System for Non-Symmetrical Sheet Metal Forming Processes. Sheet metal and automotive industries need to continually improve their strategic competitive advantages with flexibility and cost-effectiveness to remain competitive in a changing world economy. In order to achieve this, the primary objective in the proposed research is to design and develop a knowledge-based process planning system for non-symmetrical products produced by deep drawing pro ....Development of Knowledge Based Process Planning System for Non-Symmetrical Sheet Metal Forming Processes. Sheet metal and automotive industries need to continually improve their strategic competitive advantages with flexibility and cost-effectiveness to remain competitive in a changing world economy. In order to achieve this, the primary objective in the proposed research is to design and develop a knowledge-based process planning system for non-symmetrical products produced by deep drawing processes. This objective will be achieved by investigating the effect of process variable on drawability of sheet material, by obtaining relevant process information through necessary experimentation and finite element analysis and by development of a rule base by acquiring process information from domain experts selected from number of sheet metal manufacturing industries.Read moreRead less
Modelling of Pulse Current Parameters and Design of Fuzzy Logic Controller for Uniform Metal Transfer in Pulsed Gas Metal Arc Welding of Aluminium Alloy. The use of aluminium alloys in automotive and aerospace industry is growing across the world. In order to improve the use of aluminium alloy in various industries, the welding process for aluminium need to be improved. The objective of this research is to develop an intelligent controller for welding power source, which is capable of selectin ....Modelling of Pulse Current Parameters and Design of Fuzzy Logic Controller for Uniform Metal Transfer in Pulsed Gas Metal Arc Welding of Aluminium Alloy. The use of aluminium alloys in automotive and aerospace industry is growing across the world. In order to improve the use of aluminium alloy in various industries, the welding process for aluminium need to be improved. The objective of this research is to develop an intelligent controller for welding power source, which is capable of selecting process parameters automatically for varying pulse conditions in welding of aluminium alloys. The fundamental understanding about development of proposed intelligent system with smart controller for uniform metal transfer will create global interest across the welding industry and will create a new market potential throughout world where use of aluminium as a base material is growing.Read moreRead less
Magneto-optical imaging of super-current flow in superconducting tapes and wires. This project is aimed at establishing the connections between local and global superconducting current-carrying abilities in magnesium diboride and high temperature superconducting tapes and wires. Local high-resolution magneto-optical imaging combined with transport current techniques will be employed. Super-current stream-lines and critical current density distributions will be quantitatively obtained from local ....Magneto-optical imaging of super-current flow in superconducting tapes and wires. This project is aimed at establishing the connections between local and global superconducting current-carrying abilities in magnesium diboride and high temperature superconducting tapes and wires. Local high-resolution magneto-optical imaging combined with transport current techniques will be employed. Super-current stream-lines and critical current density distributions will be quantitatively obtained from local magnetic flux behaviour. Pinpointing the connections is expected not only to promote production technology, but also to elucidate factors influencing the current-carrying ability in the tapes and wires.Read moreRead less
An investigation into the development of super steel. The proposed fellow demonstrates outstanding achievements in the development of both new materials and numerical modelling for steel rolling. This research project will further enhance collaboration between the State Key Laboratory of Rolling and Automation in China and the Faculty of Engineering at UoW, and will provide an opportunity for postgraduates and postdoctoral fellows in the Faculty to work with an expert of high international stand ....An investigation into the development of super steel. The proposed fellow demonstrates outstanding achievements in the development of both new materials and numerical modelling for steel rolling. This research project will further enhance collaboration between the State Key Laboratory of Rolling and Automation in China and the Faculty of Engineering at UoW, and will provide an opportunity for postgraduates and postdoctoral fellows in the Faculty to work with an expert of high international standing. The project will significantly benefit Australian manufacturing industry and generate a number of joint journal and conference publications which will improve Australia's reputation in, and knowledge of, the area of super steel strip development.Read moreRead less
Intelligent Modelling of Thin Strip Rolling. The main aim of this project is to develop an integrated model which incorporates asymmetric rolling, dynamics of strip-roll interface and intelligent control of strip gauge. The innovation of the project includes the intelligent modelling of thin strip rolling with high precision and strip-roll interface dynamics. The expected outcomes are technical recommendations on optimum speed differential between the top and bottom work rolls under different fr ....Intelligent Modelling of Thin Strip Rolling. The main aim of this project is to develop an integrated model which incorporates asymmetric rolling, dynamics of strip-roll interface and intelligent control of strip gauge. The innovation of the project includes the intelligent modelling of thin strip rolling with high precision and strip-roll interface dynamics. The expected outcomes are technical recommendations on optimum speed differential between the top and bottom work rolls under different friction and lubrication conditions, a model of neural networks/fuzzy logic to control accurately strip gauge and cross shear rolling and a verification of the developed model at the University of Wollongong and Tokyo Metropolitan University.Read moreRead less
Mechanics of Thin Strip Steering in Hot Rolling. The main aim of this project is to model the strip steering in hot rolling. The innovation of the project is the application of a meshless finite element method (FEM) to simulate the snaking of strip at high rolling speed between rolling mill stands, which has not been applied for this problem. The expected outcome is a comprehensive simulation model that can predict accurately the strip shape and the snaking of strip,identify the parameters that ....Mechanics of Thin Strip Steering in Hot Rolling. The main aim of this project is to model the strip steering in hot rolling. The innovation of the project is the application of a meshless finite element method (FEM) to simulate the snaking of strip at high rolling speed between rolling mill stands, which has not been applied for this problem. The expected outcome is a comprehensive simulation model that can predict accurately the strip shape and the snaking of strip,identify the parameters that cause snaking and to validate the effectiveness of the numerical model utilising the experimental rolling mills at UoW and NEU.Read moreRead less
Development of micro abrasive water jetting technology for micro machining and polishing on small complex curved surfaces. The fabrication of micro-parts such as those used in integrated sensors and micro-actuators is a new challenge for the rapid development of this industry. Many existing technologies either find limitations or result in defects on the machined surfaces. This project will develop an innovative abrasive water-jetting technology for micro machining and polishing. It will deve ....Development of micro abrasive water jetting technology for micro machining and polishing on small complex curved surfaces. The fabrication of micro-parts such as those used in integrated sensors and micro-actuators is a new challenge for the rapid development of this industry. Many existing technologies either find limitations or result in defects on the machined surfaces. This project will develop an innovative abrasive water-jetting technology for micro machining and polishing. It will develop the fundamentals and prototype for further development by industry. New nozzle designs will be analyzed and optimized by computational fluid dynamics studies and experimental investigations using a Particle Image Velocimeter. Mathematical models for the processing performance will also be developed for use in process control.Read moreRead less
Effects of oxide scale on the mechanics of contacts in hot strip rolling. This project simulates the oxide scale of hot strip rolling by numerical method, and to obtain a robust and efficient solution technique for hot strip rolling. The innovation of this new research area is in the determination of the thermal coefficients of oxide scale and its modelling by elastic-plastic finite element method. The BHP Institute for Steel Processing and Products, UoW will collaborate with the School of Mater ....Effects of oxide scale on the mechanics of contacts in hot strip rolling. This project simulates the oxide scale of hot strip rolling by numerical method, and to obtain a robust and efficient solution technique for hot strip rolling. The innovation of this new research area is in the determination of the thermal coefficients of oxide scale and its modelling by elastic-plastic finite element method. The BHP Institute for Steel Processing and Products, UoW will collaborate with the School of Materials Science and Engineering, University of Science and Technology Beijing, China on the development of sophisticated theory, coupled simulation model and experimental research of the rolling of strip covering oxide scale with cracks. Read moreRead less