Degradation mechanisms of structural composites under extreme weather. The changing weather patterns and increasing solar radiation in Australia have greatly impacted the durability of construction materials and caused substantial damage to critical infrastructure. This project aims to understand the synergistic effects of different environmental conditions on the degradation mechanisms of advanced polymer composites and to develop new models on the long-term performance for these materials. Thi ....Degradation mechanisms of structural composites under extreme weather. The changing weather patterns and increasing solar radiation in Australia have greatly impacted the durability of construction materials and caused substantial damage to critical infrastructure. This project aims to understand the synergistic effects of different environmental conditions on the degradation mechanisms of advanced polymer composites and to develop new models on the long-term performance for these materials. This project expects to generate new knowledge on polymer composites incorporating new classes of fibres, resin systems, and functional fillers. Expected outcomes include the discovery of new composite technologies for the longevity of Australian infrastructure - crucial to our economic prosperity and quality of life.
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Orthogonal Sensing Strategies for Soft Sensors to Discern Multiple Stimuli . The project seeks to create new orthogonal sensing technologies that enable a single soft sensor to detect multiple mechanical and thermal stimuli, overcoming the challenge of cross-talk between stimuli. The project expects to generate new knowledge of orthogonal sensing mechanisms and the effects of microstructure designs. The expected outcomes include novel soft sensors capable of accurately detecting pressure, stretc ....Orthogonal Sensing Strategies for Soft Sensors to Discern Multiple Stimuli . The project seeks to create new orthogonal sensing technologies that enable a single soft sensor to detect multiple mechanical and thermal stimuli, overcoming the challenge of cross-talk between stimuli. The project expects to generate new knowledge of orthogonal sensing mechanisms and the effects of microstructure designs. The expected outcomes include novel soft sensors capable of accurately detecting pressure, stretch, shear, and temperature simultaneously. The new technologies are expected to support Australian companies in developing, producing and exporting sensors for soft robots and wearable devices for health monitoring, an area recognized as a key priority by the Federal Government’s Industry Growth Centres.Read moreRead less
Ceramic matrix nanocomposites. Using a novel process developed by the applicant, this project will create and study ceramic matrix nanocomposites of two types: (i) those in which the nanoparticles are homogeneously distributed in alumina and (ii) functionally-graded nanocomposites of controlled heterogeneity, that is, nanocomposites in which the nanoparticles are distributed heterogeneously in glass. Homogeneous nanocomposites of alumina are potentially of great importance to the mining industry ....Ceramic matrix nanocomposites. Using a novel process developed by the applicant, this project will create and study ceramic matrix nanocomposites of two types: (i) those in which the nanoparticles are homogeneously distributed in alumina and (ii) functionally-graded nanocomposites of controlled heterogeneity, that is, nanocomposites in which the nanoparticles are distributed heterogeneously in glass. Homogeneous nanocomposites of alumina are potentially of great importance to the mining industry as they can increase the toughness and wear resistance of mining components. Heterogeneous nanocomposities have the potential to revolutionise the dental restoration industry by combining greatly increased toughness with the aesthetic benefit of controllable translucency.Read moreRead less
Bioinspired Ceramifiable Fire-Retardant Composite Coatings. This project aims to design bioinspired, adhesive, ceramifiable fire-retardant coatings through understanding their composition-property relationship and fire-retardant mechanism. The fire-retardant coatings are then applied to typical polymer foams to create fire-safe building thermal insulation materials. This project will generate new knowledge in materials science that helps to expedite next-generation advanced fire-retardant coatin ....Bioinspired Ceramifiable Fire-Retardant Composite Coatings. This project aims to design bioinspired, adhesive, ceramifiable fire-retardant coatings through understanding their composition-property relationship and fire-retardant mechanism. The fire-retardant coatings are then applied to typical polymer foams to create fire-safe building thermal insulation materials. This project will generate new knowledge in materials science that helps to expedite next-generation advanced fire-retardant coatings for a variety of flammable substrates. Expected outcomes of this project are cost-effective fire-retardant coatings and fire-safe, inexpensive thermal insulation materials. This project will bring significant economic benefits to Australia and help to create fire-resilient and energy-efficient buildings.Read moreRead less
Microwave Antennas based on Metamaterials. This project concerns one of the most exciting and dynamic areas of research at present. Metamaterials have tremendous potential, with the promise of multitudinous applications in microwave, optical and optoelectronic fields. This project will contribute towards the ARC priority goal on advanced materials and frontier technologies by (a) developing new synthesized materials which have special properties not found in nature, and (b) developing new techn ....Microwave Antennas based on Metamaterials. This project concerns one of the most exciting and dynamic areas of research at present. Metamaterials have tremendous potential, with the promise of multitudinous applications in microwave, optical and optoelectronic fields. This project will contribute towards the ARC priority goal on advanced materials and frontier technologies by (a) developing new synthesized materials which have special properties not found in nature, and (b) developing new technologies to deliver practical benefits for communication systems users by exploiting these materials. Other benefits for Australia include intellectual property and patent outcomes, which may help Australia to become a leader in metamaterial-based technologies.Read moreRead less
Development of Deformation-Mechanism Based Parameters for Improved Design of Hard Coatings. The use of thin hard abrasion-resistant coatings is an important method for significantly improving the operational lifetime of components in a wide range of mechanical, biomedical and sensory applications. The optimal design of these coatings is however severely restricted by a lack of detailed knowledge of their material deformation mechanisms. The proposed project will use novel nano-indentation and el ....Development of Deformation-Mechanism Based Parameters for Improved Design of Hard Coatings. The use of thin hard abrasion-resistant coatings is an important method for significantly improving the operational lifetime of components in a wide range of mechanical, biomedical and sensory applications. The optimal design of these coatings is however severely restricted by a lack of detailed knowledge of their material deformation mechanisms. The proposed project will use novel nano-indentation and electron microscope techniques to create a basis for mechanism-based deformation models. These models will then be used to develop new coating architectures with improved operational lifetimes as well as predicting coating lifetimes and developing simple tools for coating assessment.Read moreRead less
Carbon fibre thermoplastics as next-generation carbon fibre composites. By combining sizing, chemical grafting, and nano-reinforcement strategies, this project develops chemically and thermally robust thermoplastic interfacial sizing for carbon fiber/thermoplastic composites for rapid manufacturing. Thermostamped carbon fiber/thermoplastic composite prototypes will be used to verify the sizing. In order to demonstrate industrial viability, recyclability and reprocessability analyses will be cond ....Carbon fibre thermoplastics as next-generation carbon fibre composites. By combining sizing, chemical grafting, and nano-reinforcement strategies, this project develops chemically and thermally robust thermoplastic interfacial sizing for carbon fiber/thermoplastic composites for rapid manufacturing. Thermostamped carbon fiber/thermoplastic composite prototypes will be used to verify the sizing. In order to demonstrate industrial viability, recyclability and reprocessability analyses will be conducted. This sizing method can enable high-performance thermoplastic composites in nonaerospace applications with its atomistic level modelling and comprehensive characterisation routine. A key objective of this study is to produce sustainably manufactured composite materials that are also commercially relevant.Read moreRead less
Studies on Nanocomposite Coatings: Processing, Characterisation and Properties. Superhard nanocomposite coatings are relatively new materials that have found many applications in the manufacturing industries. The main objectives of this project are: (a)development and optimisation of fabrication techniques for a range of novel superhard nano-composites; (b) fundamental understanding of the relationships between residual stress, microstructure and composition; and (c) evaluations of fracture-mech ....Studies on Nanocomposite Coatings: Processing, Characterisation and Properties. Superhard nanocomposite coatings are relatively new materials that have found many applications in the manufacturing industries. The main objectives of this project are: (a)development and optimisation of fabrication techniques for a range of novel superhard nano-composites; (b) fundamental understanding of the relationships between residual stress, microstructure and composition; and (c) evaluations of fracture-mechanical properties including wear-resistance. Major research outcomes are improved basic knowledge of these novel nanocomposite coatings leading to optimal processing of superhard nano-materials.Read moreRead less
Crack Propagation within Graded Interfaces. Functionally graded interfaces are a technologically new way of joining materials in a wide range of biomedical and industrial applications. The reduction in the interfacial stresses resulting from the graded interface increases the structural integrity of the component, however, existing models do not fully address issues of plasticity and cyclic fatigue to their fracture. The intention of this study is to investigate how modifications to the ductil ....Crack Propagation within Graded Interfaces. Functionally graded interfaces are a technologically new way of joining materials in a wide range of biomedical and industrial applications. The reduction in the interfacial stresses resulting from the graded interface increases the structural integrity of the component, however, existing models do not fully address issues of plasticity and cyclic fatigue to their fracture. The intention of this study is to investigate how modifications to the ductile reinforcement phase and how the cyclic loading influence crack extension within a graded interface. These results will assist in future design and prediction of the in-service lifetime of components containing gradient interfaces.Read moreRead less
Design Of Practical Passive Cooling Radiators Utilising Spectrally Selective Covers And Surfaces. Radiative cooling offers a means to cool buildings sustainably without complex and costly heat pumps or air conditioners. Units similar to solar panels can be designed with surfaces which radiate mostly into the 8 - 12 micron atmospheric window, which has a radiance much less than for other wavelengths. Commercial development has been limited by problems associated with the degradation, performance ....Design Of Practical Passive Cooling Radiators Utilising Spectrally Selective Covers And Surfaces. Radiative cooling offers a means to cool buildings sustainably without complex and costly heat pumps or air conditioners. Units similar to solar panels can be designed with surfaces which radiate mostly into the 8 - 12 micron atmospheric window, which has a radiance much less than for other wavelengths. Commercial development has been limited by problems associated with the degradation, performance or cost of radiator surfaces. This project seeks to improve both performance and durability with innovative use of alternative materials and sputtered coatings suitable for mass manufacture, and to test the outdoor performance of laboratory produced radiative plates.Read moreRead less