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Structure-mechanical property relationships for bulk metallic glasses. This project aims to make developments in producing high toughness bulk metallic glasses (BMGs) by understanding their processing-structure-fracture toughness relationships. The project expects to generate new knowledge about how to control fracture toughness of BMGs via thermomechanical processing, how to characterise the nanoscale glassy structure using novel microscopy methods, and the mechanistic connection between struct ....Structure-mechanical property relationships for bulk metallic glasses. This project aims to make developments in producing high toughness bulk metallic glasses (BMGs) by understanding their processing-structure-fracture toughness relationships. The project expects to generate new knowledge about how to control fracture toughness of BMGs via thermomechanical processing, how to characterise the nanoscale glassy structure using novel microscopy methods, and the mechanistic connection between structure and fracture toughness. Expected outcomes will be an enhanced capacity to develop and commercialise BMGs with mechanical properties superior to conventional metals. Anticipated benefits will be improved products for the transportation, aerospace, defence, biomedical devices, and three-dimensional printing industries.Read moreRead less
Systematic investigations of low temperature Sn-Bi based solder alloys . The project aims to reduce the temperatures used in the manufacture of electronic circuitry through the development of Sn-Bi alloys for low temperature assembly processes without compromising productivity or reliability. The project will use a range of innovative solidification and microstructure development techniques to obtain an understanding of the dynamic processes of precipitation, dissolution and microstructure evolu ....Systematic investigations of low temperature Sn-Bi based solder alloys . The project aims to reduce the temperatures used in the manufacture of electronic circuitry through the development of Sn-Bi alloys for low temperature assembly processes without compromising productivity or reliability. The project will use a range of innovative solidification and microstructure development techniques to obtain an understanding of the dynamic processes of precipitation, dissolution and microstructure evolution that occur in these alloys during manufacture and application. The outcomes include a reduction in the energy consumed in electronic assembly processes and a capacity to manufacture advanced circuitry based on next-generation temperature-sensitive components and substrates without compromising reliability.Read moreRead less
Multimodal nanostructured metals and alloys with high tensile ductility and strength. This project will develop a new class of advanced multimodal nanostructured materials that have high tensile ductility, strength, and excellent fracture toughness. This work is important for the transportation industry as the new materials provide potential in creating lightweight structures, leading to the reduction of carbon dioxide emission.
Stronger zinc alloys for more flexible biodegradable stents. This project aims to develop stronger zinc alloys for a new class of biodegradable metallic stents. A key challenge for biodegradable stent technology is to make stents as thin as possible while also being strong. This project will develop ultra-high strength zinc alloys that can be used to fabricate thinner biodegradable stents for easier surgical operation. The project outcomes should be a major step in the design and development of ....Stronger zinc alloys for more flexible biodegradable stents. This project aims to develop stronger zinc alloys for a new class of biodegradable metallic stents. A key challenge for biodegradable stent technology is to make stents as thin as possible while also being strong. This project will develop ultra-high strength zinc alloys that can be used to fabricate thinner biodegradable stents for easier surgical operation. The project outcomes should be a major step in the design and development of a new generation of biodegradable stents that will avoid the risks associated with existing products and potentially create a better life for millions of patients worldwide.Read moreRead less
Approaching near-ideal strength for bulk amorphous metals. This project aims to develop a novel metal materials design strategy to break the strength ceilings of nanocrystalline metals and bulk metallic glasses. This strategy is based on a novel concept of synergy between a bulk amorphous matrix and phase-transforming nanocrystallites embedded within. The nanocrystallites, via their uniform transformation lattice distortion, prevent the formation of shear bands in the amorphous matrix and enable ....Approaching near-ideal strength for bulk amorphous metals. This project aims to develop a novel metal materials design strategy to break the strength ceilings of nanocrystalline metals and bulk metallic glasses. This strategy is based on a novel concept of synergy between a bulk amorphous matrix and phase-transforming nanocrystallites embedded within. The nanocrystallites, via their uniform transformation lattice distortion, prevent the formation of shear bands in the amorphous matrix and enable collective atomic load transfer to allow the amorphous matrix to continue to load to achieve its intrinsic near-ideal strength. The amorphous matrix eliminates the grain boundary plasticity of the nanoscrystallites. This concept is novel and untested in the history of physical metallurgy.Read moreRead less
Bio-inspired design to overcome strength-toughness trade-off of composites. This project aims to develop nature-inspired metal composites of exceptional mechanical properties that push the known boundaries of engineering materials. The design utilises a phase transforming metal to transcribe the attributes of biopolymers in nacre to harness the exceptional intrinsic strength of interatomic bonds at atomic scale and to devise adaptive ability for load redistribution for toughness at the macroscop ....Bio-inspired design to overcome strength-toughness trade-off of composites. This project aims to develop nature-inspired metal composites of exceptional mechanical properties that push the known boundaries of engineering materials. The design utilises a phase transforming metal to transcribe the attributes of biopolymers in nacre to harness the exceptional intrinsic strength of interatomic bonds at atomic scale and to devise adaptive ability for load redistribution for toughness at the macroscopic scale. The expected outcomes are an innovative bio-inspired material design strategy that may underpin the creation of many novel high-performance structural composites of unmatched strength and toughness properties, and potential to support new applications and to value-add Australia’s materials manufacturing industry.Read moreRead less
Transformation Dual Phase Synergy for Unprecedented Superelasticity. This project aims to develop metallic materials of unprecedented mechanical properties based on a novel concept of transformation triggered dual-phase synergy. This is enabled by harnessing the intrinsic strength of interatomic bonds in solids using the nanoscience principle of lattice strain matching between phase transforming bodies. The project will provide significant benefits, such as innovating our metal production techno ....Transformation Dual Phase Synergy for Unprecedented Superelasticity. This project aims to develop metallic materials of unprecedented mechanical properties based on a novel concept of transformation triggered dual-phase synergy. This is enabled by harnessing the intrinsic strength of interatomic bonds in solids using the nanoscience principle of lattice strain matching between phase transforming bodies. The project will provide significant benefits, such as innovating our metal production technology and to value-add the metal processing and manufacturing industries of Australia.Read moreRead less
Grain size refinement of near beta titanium alloys - a route to developing new advanced medical implants and devices. This project seeks to develop targeted material solutions for application in the manufacture of new and improved medical components, such as stents. This will be achieved by developing new biocompatible beta titanium alloys with mechanical properties and forming behaviour that are optimised for implant applications associated with endovascular procedures.
Discovery Early Career Researcher Award - Grant ID: DE220100798
Funder
Australian Research Council
Funding Amount
$433,000.00
Summary
Novel multinary intermetallic compounds for water electrolysis. This project aims to make breakthrough developments in producing high performance water splitting electrocatalysts based on high-entropy intermetallic compounds (HEIMCs) by understanding their processing-structure-catalysis relationships. The project will generate new knowledge on how to enhance that performance by the combined effect of nanoscale atomic ordering and lattice distortion via alloying. Expected outcomes will be an enha ....Novel multinary intermetallic compounds for water electrolysis. This project aims to make breakthrough developments in producing high performance water splitting electrocatalysts based on high-entropy intermetallic compounds (HEIMCs) by understanding their processing-structure-catalysis relationships. The project will generate new knowledge on how to enhance that performance by the combined effect of nanoscale atomic ordering and lattice distortion via alloying. Expected outcomes will be an enhanced capacity to develop and commercialise HEIMCs with functional properties superior to current hydrogen production catalysts. Anticipated benefits will be reduced consumption of fossil fuels, development of renewable clean energy, and stimulation of economic development to Australian mining industries. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE220100816
Funder
Australian Research Council
Funding Amount
$430,000.00
Summary
Liquid Metal Nano Metallurgy by Controlled Phase Transition Thermodynamics. The phase transformation thermodynamics of post-transition metals, which form low-melting-point alloys, remain largely unknown. This project aims to explore low-energy metallurgy pathways enabled by liquid metals to discover such dynamics. The strategy is to harvest structured/crystalline materials by incorporating target metal species into liquid metal solvents and stimulating autonomous phase separation and pattern for ....Liquid Metal Nano Metallurgy by Controlled Phase Transition Thermodynamics. The phase transformation thermodynamics of post-transition metals, which form low-melting-point alloys, remain largely unknown. This project aims to explore low-energy metallurgy pathways enabled by liquid metals to discover such dynamics. The strategy is to harvest structured/crystalline materials by incorporating target metal species into liquid metal solvents and stimulating autonomous phase separation and pattern formation during phase transition. Contemporary instruments and technologies will be employed to achieve active control of these fundamental processes at different scales. The expected outcomes will reveal new insights in traditional metallurgy as well as extend metallurgical concepts to electronics, optics, and catalysis.Read moreRead less