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The development of super-toughened epoxies using a novel nanomaterial. Epoxy resins are widely used as structural adhesives and coatings in engineering structures. This project will address the problem of the intrinsic brittleness of epoxy by making it significantly tougher with superior performance and cost-effectiveness. Our technology for producing super-toughened epoxy will lead to a wide range of applications for new and existing products in the construction, automotive, aerospace, adhesive ....The development of super-toughened epoxies using a novel nanomaterial. Epoxy resins are widely used as structural adhesives and coatings in engineering structures. This project will address the problem of the intrinsic brittleness of epoxy by making it significantly tougher with superior performance and cost-effectiveness. Our technology for producing super-toughened epoxy will lead to a wide range of applications for new and existing products in the construction, automotive, aerospace, adhesive and microelectronics industries.Read moreRead less
Novel Biomimetic Nanosprings:Protein-based Elastomer for Engineering Applications. The ability to produce biomimetic elastomeric components with approximately infinite fatigue life offers significant impact on energy consumption and materials usage. In this project, we seek this goal by bio-macromolecular modification and understanding of the unique proteins from a number of different insects that provide the structural basis of novel bioelastomers with outstanding in-vitro fatigue properties. T ....Novel Biomimetic Nanosprings:Protein-based Elastomer for Engineering Applications. The ability to produce biomimetic elastomeric components with approximately infinite fatigue life offers significant impact on energy consumption and materials usage. In this project, we seek this goal by bio-macromolecular modification and understanding of the unique proteins from a number of different insects that provide the structural basis of novel bioelastomers with outstanding in-vitro fatigue properties. The project will translate the superior in-vivo properties of these proteins to real-world novel bioelastomers for engineering applications. Such functional materials will find potential use in areas such as microelectromechanical devices (MEMS), actuators, artificial muscles, drug delivery vehicles, etc.Read moreRead less
Hybrid multiple-tube concrete columns incorporating composite materials. The project aims to investigate the behaviour of and design hybrid multiple-tube concrete columns, a form of column. These columns allow the use of small circular high-strength steel tubes, readily available in the market, to suit the specific needs of construction projects of various scales. In the column, a durable outer tube made of fibre-reinforced polymer (FRP) composites protects steel tubes, and their high yield stre ....Hybrid multiple-tube concrete columns incorporating composite materials. The project aims to investigate the behaviour of and design hybrid multiple-tube concrete columns, a form of column. These columns allow the use of small circular high-strength steel tubes, readily available in the market, to suit the specific needs of construction projects of various scales. In the column, a durable outer tube made of fibre-reinforced polymer (FRP) composites protects steel tubes, and their high yield stress can be fully exploited through section configuration. The new column is expected to enable wider, safer and more economical use of FRP and high-strength steel, and meet demands for resilient civil infrastructure.Read moreRead less
A Novel Approach to Polymer/Nanosheet Composites and Their Fundamentals. Multifunctional Polymer/nanosheet composites have not yet been widely scaled up in polymer processing and composite industries mainly due to cost and inhaling hazard. This project proposes a novel methodology which embeds nanosheet preparation within polymer melt to both remove the inhaling hazard and lower the cost; the key is to develop two groups of nanosheet intercalation compounds which can expand at the polymer proces ....A Novel Approach to Polymer/Nanosheet Composites and Their Fundamentals. Multifunctional Polymer/nanosheet composites have not yet been widely scaled up in polymer processing and composite industries mainly due to cost and inhaling hazard. This project proposes a novel methodology which embeds nanosheet preparation within polymer melt to both remove the inhaling hazard and lower the cost; the key is to develop two groups of nanosheet intercalation compounds which can expand at the polymer processing temperature, to exfoliate and disperse nanosheets in polymers. It is expected to generate new knowledge of the structure-property relationships and fracture mechanisms of these composites, for industry to scale up this technology and to develop new product.Read moreRead less
A new angle on the coalescence of drops. Many processes depend on what happens when drops and/or bubbles collide with each other, or with the surfaces of other materials. Examples include inkjet printing, agricultural spraying, spray coating of paints, pharmaceutical formulation, stability of cosmetics and foodstuffs, formation of froths and foams, and flow of bubbly liquids. To control these processes, we need to understand how and why drops sometimes do and sometimes do not coalesce with each ....A new angle on the coalescence of drops. Many processes depend on what happens when drops and/or bubbles collide with each other, or with the surfaces of other materials. Examples include inkjet printing, agricultural spraying, spray coating of paints, pharmaceutical formulation, stability of cosmetics and foodstuffs, formation of froths and foams, and flow of bubbly liquids. To control these processes, we need to understand how and why drops sometimes do and sometimes do not coalesce with each other or adhere to surfaces. The knowledge gained in this project will enable improvements to be made in the efficiency of processes such as those listed above.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
Conducting coatings for control and eradication of unwanted marine biofilms. Biofilms grow on all surfaces and environments posing environmental threats and economic issues globally, costing billions each year to those attempting to eradicate them. To date, biofilm's detailed response to variations in electrochemically generated redox stress and shear is unknown in marine environments. The project aims at (i) developing novel electrically conducting carbon based paints that are stable in marine ....Conducting coatings for control and eradication of unwanted marine biofilms. Biofilms grow on all surfaces and environments posing environmental threats and economic issues globally, costing billions each year to those attempting to eradicate them. To date, biofilm's detailed response to variations in electrochemically generated redox stress and shear is unknown in marine environments. The project aims at (i) developing novel electrically conducting carbon based paints that are stable in marine environments and (ii) investigating how marine biofilms respond to these coatings. The expected outcome of this project is the development of a green alternative antifouling technology that can be used on demand in marine applications. This provides a new solution for controlling the biofouling of surfaces immersed in oceans.Read moreRead less
Recombinant probiotics for prevention of enteric infections in piglets. Shigatoxigenic and enterotoxigenic strains of Escherichia coli cause severe diarrhoeal disease and oedema disease in piglets. The resultant morbidity and mortality is a major cause of financial loss to the pig industry both in Australia and overseas. We have conceived a highly novel approach to prevention of these diseases involving molecular mimicry of host receptors for the E. coli toxins and adhesins on the surface of a ....Recombinant probiotics for prevention of enteric infections in piglets. Shigatoxigenic and enterotoxigenic strains of Escherichia coli cause severe diarrhoeal disease and oedema disease in piglets. The resultant morbidity and mortality is a major cause of financial loss to the pig industry both in Australia and overseas. We have conceived a highly novel approach to prevention of these diseases involving molecular mimicry of host receptors for the E. coli toxins and adhesins on the surface of a harmless bacterium. Oral administration of this agent to piglets has the potential to bind free toxins in the gut and prevent colonization of the intestines by the pathogens, thereby preventing disease.Read moreRead less
Fundamentals of Electrically Conductive Elastomer Composites. This project aims to address the performance instability of stretchable/flexible electronics and devices, by developing mechanically resilient, electrically conductive patterns of nanomaterials to be encased in elastomers. It expects to generate new knowledge in the field of composite processing, to provide fundamentals for composite industry to develop novel strain gauges and conductors. Expected outcomes include a methodology for st ....Fundamentals of Electrically Conductive Elastomer Composites. This project aims to address the performance instability of stretchable/flexible electronics and devices, by developing mechanically resilient, electrically conductive patterns of nanomaterials to be encased in elastomers. It expects to generate new knowledge in the field of composite processing, to provide fundamentals for composite industry to develop novel strain gauges and conductors. Expected outcomes include a methodology for stabilising the cyclic performance of electrically conductive elastomer composites. This project is anticipated to provide significant long-term benefits not only for underwater infrastructure condition monitoring but for remote and personalised health-monitoring.Read moreRead less
Creating pH-sensitive self-healing concrete using sludge waste for sewers. In Australia, our 117,000 km of concrete sewer pipes are currently internally corroding at a depth rate of 1-3 mm per annum. The repair of deteriorated concrete is costly and often short-lived. Based on an advanced composite technology, this project will develop a pH-sensitive self-healing concrete that can repair itself without human intervention at the early stage of corrosion. Sludge waste from drinking water treatment ....Creating pH-sensitive self-healing concrete using sludge waste for sewers. In Australia, our 117,000 km of concrete sewer pipes are currently internally corroding at a depth rate of 1-3 mm per annum. The repair of deteriorated concrete is costly and often short-lived. Based on an advanced composite technology, this project will develop a pH-sensitive self-healing concrete that can repair itself without human intervention at the early stage of corrosion. Sludge waste from drinking water treatment will be utilised as a healing agent to mitigate the corrosion. Combined experiments and molecular dynamics simulation will uncover all aspects of the healing process to enable the practical application of this technology. The findings will extend the lifetime of concrete structures and promote a circular economy.Read moreRead less