Cyclic Fatigue Mechanisms in New Lead-Free Piezoelectric Ceramics. Piezoceramics are an important component in many items in modern day Australian life. However, they present a growing environmental concern, particularly for disposal, because they contain lead oxide and must often be disposed of prematurely due to component failure. Furthermore, many key Australian industries manufacture and use piezoceramics in fields ranging from mineral exploration, to imaging to biomedical devices. This proj ....Cyclic Fatigue Mechanisms in New Lead-Free Piezoelectric Ceramics. Piezoceramics are an important component in many items in modern day Australian life. However, they present a growing environmental concern, particularly for disposal, because they contain lead oxide and must often be disposed of prematurely due to component failure. Furthermore, many key Australian industries manufacture and use piezoceramics in fields ranging from mineral exploration, to imaging to biomedical devices. This project will enable the development of lead-free alternatives to current materials and more reliable materials which will reduce the need for waste disposal.Read moreRead less
Development of Cyclic Fatigue Degradation Criteria for Piezoelectric Ceramic Components. Piezoelectric ceramics are widely used in advanced engineering applications such as actuators in the automotive industry, sonars for submarine mineral exploration and defence, and a broad range of medical devices, e.g. ultrasound probes. The reliable operational lifetime of these devices is, however, severely limited because they suffer cyclic fatigue leading to both degradation in performance and device fai ....Development of Cyclic Fatigue Degradation Criteria for Piezoelectric Ceramic Components. Piezoelectric ceramics are widely used in advanced engineering applications such as actuators in the automotive industry, sonars for submarine mineral exploration and defence, and a broad range of medical devices, e.g. ultrasound probes. The reliable operational lifetime of these devices is, however, severely limited because they suffer cyclic fatigue leading to both degradation in performance and device failure. The proposed project seeks to develop an understanding of the mechanisms of fatigue and develop a design model for engineers such that piezoelectric ceramic devices can be operated for longer periods with higher levels of reliability.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0560959
Funder
Australian Research Council
Funding Amount
$165,000.00
Summary
The Macquarie National Low Temperature Optoelectronic Thin Film Growth Facility. Funding is requested for an Australian facility for the growth of nitride and oxide thin films with in-situ optical analysis equipment for the monitoring of growth parameters. It is envisaged that this facility would be for the development of materials and device structures for photonic, electronic and optoelectronic applications. The facility will also provide a leading Australian source of these materials for fund ....The Macquarie National Low Temperature Optoelectronic Thin Film Growth Facility. Funding is requested for an Australian facility for the growth of nitride and oxide thin films with in-situ optical analysis equipment for the monitoring of growth parameters. It is envisaged that this facility would be for the development of materials and device structures for photonic, electronic and optoelectronic applications. The facility will also provide a leading Australian source of these materials for fundamental material studies utilising nuclear analysis and implantation technologies, high resolution X-ray diffraction, high spatial resolution micro-cathodoluminescence and other forms of analysis. Ex-situ optical analysis equipment is also requested for post-growth evaluation to compliment and evaluate the in-situ analysis.Read moreRead less