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Multi-Scale Model-Based Simulation of Glass Fragmentation under Blast Loading. It is estimated that most injuries from bomb blasts can be attributed to airborne sharp glass fragments. The proposed project will help us gain better understanding of glass failure mechanism under impact/blast loading. The results from the proposed project are expected to help in developing more effective blast-resistant transparency, ensuring the reliability and quality of buildings and facilities, mitigating injury ....Multi-Scale Model-Based Simulation of Glass Fragmentation under Blast Loading. It is estimated that most injuries from bomb blasts can be attributed to airborne sharp glass fragments. The proposed project will help us gain better understanding of glass failure mechanism under impact/blast loading. The results from the proposed project are expected to help in developing more effective blast-resistant transparency, ensuring the reliability and quality of buildings and facilities, mitigating injury or death due to flying glass fragments, and eventually enhancing public safety and security.Read moreRead less
Early animal evolution: reconstructing the last common metazoan ancestor through the analysis of developmental and structural genes in sponges. All animals, from the simplest invertebrates to humans, arose from a common ancestor. Reconstruction of this ancestor requires the comparison of metazoan developmental genetic architectures. Here we contribute to this pursuit by studying a phylogenetically and biological appropriate metazoan system - marine sponge embryos and larvae. Using high-throughp ....Early animal evolution: reconstructing the last common metazoan ancestor through the analysis of developmental and structural genes in sponges. All animals, from the simplest invertebrates to humans, arose from a common ancestor. Reconstruction of this ancestor requires the comparison of metazoan developmental genetic architectures. Here we contribute to this pursuit by studying a phylogenetically and biological appropriate metazoan system - marine sponge embryos and larvae. Using high-throughput gene profiling techniques, we will analyse the developmental genetics underlying the sponge body plan. Commonalities shared between sponges and more sophisticated animals are likely to have been present in the "genetic toolkit" of the most ancient metazoan ancestor and, as such, is the genetic foundation from which all animal biodiversity arose.Read moreRead less
Viscous extensional flow and drop breakoff. Honey falling from a spoon is an everyday example of a viscous fluid in a free extensional flow which may eventually break up into drops. Such flows are important in modern technologies including ink-jet printing, welding, soldering and molten metal processing, polymer and glass fibre spinning, and for rheological measurement. We seek to increase understanding of the mechanisms governing such flows, particularly the role of initial conditions and the ....Viscous extensional flow and drop breakoff. Honey falling from a spoon is an everyday example of a viscous fluid in a free extensional flow which may eventually break up into drops. Such flows are important in modern technologies including ink-jet printing, welding, soldering and molten metal processing, polymer and glass fibre spinning, and for rheological measurement. We seek to increase understanding of the mechanisms governing such flows, particularly the role of initial conditions and the geometry of the original containing vessel, together with balances between forces such as inertia, gravity, viscosity, viscoelasticity, and surface tension, through a theoretical, computational and experimental study of the fluid mechanics.Read moreRead less
Complex Dopant Diffusivity in Photonic Crystal Fibres and Applications. The outcomes of this research in the area of doped photonic crystal fibres will enable Australia to commercialise the technology and provide an opportunity for leading commercial ventures using novel doped PCF. These opportunities will eventually become large-scale industrial activities developed from the research in fields such as sensing, biophotonics, medical and defence and will result in significant economic benefit for ....Complex Dopant Diffusivity in Photonic Crystal Fibres and Applications. The outcomes of this research in the area of doped photonic crystal fibres will enable Australia to commercialise the technology and provide an opportunity for leading commercial ventures using novel doped PCF. These opportunities will eventually become large-scale industrial activities developed from the research in fields such as sensing, biophotonics, medical and defence and will result in significant economic benefit for Australia. Fundamental research outcomes in glass and dopants that can boost devices and introduce novel devices resulting from this project will contribute to all National Research Priorities.Read moreRead less
Coupled Structural and Elastic Response Studies of the Phase Transformation Behaviour of Environment-Friendly, Lead-free Piezoceramics. The ultimate aim of this project is to identify high performance, environment-friendly i.e. lead free, piezoceramic materials capable of replacing the currently market dominant, lead-based materials. Such piezoceramics have widespread industrial applications. Understanding the factors that control the capacity of such materials to respond to applied stress or el ....Coupled Structural and Elastic Response Studies of the Phase Transformation Behaviour of Environment-Friendly, Lead-free Piezoceramics. The ultimate aim of this project is to identify high performance, environment-friendly i.e. lead free, piezoceramic materials capable of replacing the currently market dominant, lead-based materials. Such piezoceramics have widespread industrial applications. Understanding the factors that control the capacity of such materials to respond to applied stress or electric field is critical to the discovery, optimization and, ultimately, industrial exploitation of such materials. Through comprehensive experimental and theoretical studies of a number of such materials this project will enhance the ability of industry to develop new and improved materials. Development of advanced materials is a designated National Research Priority area. Read moreRead less
A New Paradigm for the Solid State Synthesis of Layered Materials. Advanced ceramic materials with outstanding properties or combinations of properties are usually made from three (ternary) or more components. Their solid-state synthesis is hampered by the formation and retention of intermediate phases which degrade their performance. We have devised a method for circumventing intermediate phase formation in advanced materials and reducing synthesis temperatures by up to 600 degrees. This projec ....A New Paradigm for the Solid State Synthesis of Layered Materials. Advanced ceramic materials with outstanding properties or combinations of properties are usually made from three (ternary) or more components. Their solid-state synthesis is hampered by the formation and retention of intermediate phases which degrade their performance. We have devised a method for circumventing intermediate phase formation in advanced materials and reducing synthesis temperatures by up to 600 degrees. This project will explore the underlying atomic scale mechanism of the method. This knowledge will allow the low cost, low greenhouse gas emission synthesis of advanced ceramics for use in renewable, conventional and nuclear power generation.Read moreRead less
Manufacture of precision optical components: ground-breaking through innovative constitutive modeling. It has been a worldwide challenge to make high precision optical elements using glass moulding though it is the most effective process. This project aims to develop a novel way to optimise precision glass moulding processes. The success of this research will significantly reduce the development cost and improve the quality of the moulding products.
Nano/micro grinding mechanisms and technologies for brittle materials. The successful completion of the project will solve a long standing problem, that is, the ductile removal mechanism in the machining of brittle materials and create a strong knowledge base for the development of technology and characterization techniques for nano/micro mechanical machining of such materials. This will strengthen UWA's research capability and international competitiveness in the field of nano/micro manufacturi ....Nano/micro grinding mechanisms and technologies for brittle materials. The successful completion of the project will solve a long standing problem, that is, the ductile removal mechanism in the machining of brittle materials and create a strong knowledge base for the development of technology and characterization techniques for nano/micro mechanical machining of such materials. This will strengthen UWA's research capability and international competitiveness in the field of nano/micro manufacturing. The pragmatic grinding technology developed for fabricating micro aspherical mould inserts and lenses will directly benefit the optics/photonics, microelectronics and biomedical industries in Australia. This will help to position Australia in the forefront of emerging industries in the new millenniumRead moreRead less
Formation and stability of polymerically stabilized colloids. This project will bring economic, medical and environmental benefits, with improved product performance and manufacturing processes for everyday industrial items relevant to a large industrial sector with significant employment in Australia: inks and paints (for example, surface coatings that can be applied more rapidly without clogging the jets); better means of preventing the fouling of industrial membranes; and improved materials f ....Formation and stability of polymerically stabilized colloids. This project will bring economic, medical and environmental benefits, with improved product performance and manufacturing processes for everyday industrial items relevant to a large industrial sector with significant employment in Australia: inks and paints (for example, surface coatings that can be applied more rapidly without clogging the jets); better means of preventing the fouling of industrial membranes; and improved materials for biomedical applications, with more desirable interactions between living cells and body fluids. These advances will also speed the replacement of solvent-based lacquer paints - detrimental to both environment and user - with water-based products of high quality.Read moreRead less
Understanding and optimising the microstructure of Germanium-Arsenic-Selenium glasses for superior device performance. The project will seek to use a combined theoretical and experimental approach to develop 'state of the art' optical glass materials for use in integrated nonlinear optical components. Such materials could be used as optical waveguides in broadband communication systems and offer the possibility of significant improvement in telecommunication performance.