New reaction paths for metal diborides at low temperature and pressure
Mackinnon, Ian D.R., Winnett, Abigail, Talbot, Peter C., & Alarco, Jose A. (2014) New reaction paths for metal diborides at low temperature and pressure. In Manghnani, Murli & Yucel, Onuralp (Eds.) 18th International Symposium on Boron, Borides and Related Materials, 31 August - 5 September 2014, Honolulu, Hawaii.
Attention has recently focussed on MgB2 superconductors (Tc~39K) which can be formed into wires with high material density and viable critical current densities (Jc)1. However, broader utilisation of this diboride and many others is likely to occur when facile synthesis for bulk applications is developed. To date, common synthesis methods include high temperature sintering of mixed elemental powders2, combustion synthesis3, mechano-chemical mixing with high temperature sintering4 and high pressure (~GPa region) with high temperature. In this work, we report on a lower temperature, moderate (<4MPa) pressure method to synthesise metal diborides.
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|Item Type:||Conference Item (Presentation)|
|Keywords:||magnesium diboride, metal diborides, autogenous pressure, sodium borohydride|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > MACROMOLECULAR AND MATERIALS CHEMISTRY (030300) > Synthesis of Materials (030306)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200)
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2014 [please consult the author]|
|Deposited On:||08 Sep 2014 03:14|
|Last Modified:||08 Sep 2014 20:06|
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