邢唷>? LN?K欹%` bjbj"x"x 7D@@       FFFFDLpvvvvQQQ$h QQ  vv6 v v  v 狑垅F ^d40j \QZ@4QQQ QQQd         CSC projects MaterialsTitle of ProjectsSupervisors Detail (Name, title, email address)Projects DescriptionThe effect of Cu content on the size and distribution of Fe-rich intermetallics in Al-Si-Cu-Mg朏e casting alloysDr Carlos H. Caceres  HYPERLINK "mailto:c.caceres@uq.edu.au" c.caceres@uq.edu.auExperiments have shown that the ductility of Al-Si-Cu-Mg alloys with high levels of Fe (0.5 wt.%) and Cu (4.0 wt.%), increases for high (7~9%) concentrations of Si. Preliminary quantitative metallographic analysis indicates that increasing the silicon content refines both the Fe and Cu-rich intermetallics, and this has been identified as the reason for the increased ductility.The project will consist in a systematic study of as-cast microstructures of a range of experimental alloys to elucidate the mechanisms by which increased Si disperses the Fe- and Cu-rich phases. It will involve extensive metallography, SEM, tensile testing, thermal analysis.Improvement of bioactivity of Ti alloys through surface modificationDr Mingxing Zhang  HYPERLINK "mailto:mingxing.zhang@uq.edu.au" mingxing.zhang@uq.edu.auThe aim of the project is to generate porous coating on Ti alloys using kinetic metallization technology, together with the incorporation of bone forming drugs in the coating, to significantly improve the bioactivity of the metals that can be used for implants in human body. The increase in bioactivity promotes interaction between the implant and the hard tissue and thus augments the response of the cells to the implant without reducing its mechanical properties. The project therefore addresses a very important problem related to the quality of life for patients with hard tissue damage or disease.Synchrotron study on net shape forming from powders Associate Professor Ma Qian  HYPERLINK "mailto:ma.qian@uq.edu.au" ma.qian@uq.edu.auBased at the University of Queensland, Australia and Osaka University, Japan, you, the student, will use the SPring-8, which is the most powerful and advanced synchrotron device in the world, and the associated analytical means, to investigate, in real time, on a micrometer-scale basis, the net shape forming process of advanced materials from powders under various processing conditions. The prime purpose of this project is to develop a robust scientific basis for net shape forming from metal and/or ceramic powders using the state-of-the-art research facilities. This is an exciting opportunity to work in the very forefront of materials processing. The student is expected to be highly motivated in research with a strong academic background or professional experience in materials science and engineering or physics or chemistry.Rheology of Al and Mg alloysProfessor Arne Dahle  HYPERLINK "mailto:A.Dahle@uq.edu.au" A.Dahle@uq.edu.auThis project aims to determine and understand the rheological properties of Al and Mg alloys during solidification. These properties determine the microstructure and defects in all casting processes. We conduct experiments and UQ as well as in synchrotrons in France and Japan. The project is part of the activities of the ARC CoE for Design in Light Metals.Hydrogen storage in magnesiumProfessor Arne Dahle  HYPERLINK "mailto:A.Dahle@uq.edu.au" A.Dahle@uq.edu.auMagnesium offers very attractive properties as a hydrogen storage medium. In this project we have a new approach to the development of low-cost hydrogen storage materials. The project is conducted with collaborations with several leading universities in Australia and is supported by a large grant from the Australian Research Council.Development of ultrafine microstructuresProfessor Arne Dahle  HYPERLINK "mailto:A.Dahle@uq.edu.au" A.Dahle@uq.edu.auThis project is in the area of fundamentals of solidification. It aims to take a new approach onto the understanding of undercooling and nucleation and use these tools to produce a new generation of cast materials with ultrafine microstructures. The project is conducted in collaboration with leading Universities in Europe.Design of Advanced Nanomaterials for Efficient Solar Energy ApplicationDr. Lianzhou Wang  HYPERLINK "mailto:l.wang@uq.edu.au" l.wang@uq.edu.auThe global concern over the declining fossil fuels and climate changes has seen great efforts being directed toward the development of new energy generation /conversion systems. Innovative materials for energy conversion hold the key for renewable energy production. The ability to design these nanomaterials with tailored structures and functionalised properties is an important challenge that researchers strive to meet. Aimed at developing new nanostructures for visible light driven photcatalytic air/water pollutant decomposition and solar cells, this project will be focusing on the band-gap modification and re-assembly of several types of nanosized transition metal oxides including titanate and niobate-based pervoskites for clean and sustainable solar energy conversion. Phase stability and crystallography of intermetallic compounds in lead-free solders Dr. Kazuhiro Nogita,  HYPERLINK "mailto:k.nogita@uq.edu.au" k.nogita@uq.edu.auThis project will develop an understanding the fundamental phase stability and crystallographic properties of Sn-Cu-Ni systems especially the Cu6Sn5 intermetallic compound present in the bonding layer of soldered joints. The intermetallic layer is dramatically influenced by trace elements which are routinely used as additives in solder alloys to improve fluidity. Understanding this intermetallic may have benefits outside of soldering applications as the compound has recently been proposed to have applications in the lucrative market of rechargeable lithium ion batteries. The electron microscopes at CMM (UQ), The Australian synchrotron and also the SPring-8 synchrotron are the main infrastructures for this research. #$+,6?[\efpqr镝锌宝睒睄睒宝睒n]H(hK<h裩CJOJQJ^JaJmH sH  hK<h?tCJOJQJ^JaJ hK<h裩CJOJQJ^JaJh?tCJOJQJ^JaJhH5丱JQJ^Jh<h?t5丱JQJ^Jh<5丱JQJ^Jh<h<5丱JQJ^J h?th?tCJOJQJ^JaJ h<h7CJ OJQJ^JaJ hK<CJ OJQJ^JaJ h<h?tCJ OJQJ^JaJ ,\qrQAd$Ifgd<kd$$If杔諪? Bw=€ € €5& t?6    44 layt裩 $Ifgd< $$Ifa$gd<@&gd裩! 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