12-15 July 2011
Saint George Hotel
Africa/Johannesburg timezone

Comparison of thermal and structural Properties of HRT nuclear fuel Composite and nuclear graded graphite

15 Jul 2011, 11:15


Oral Presentation Track B - Nuclear, Particle and Radiation Physics NPRP


Ms phathutshedzo murovhi (university of pretoria)


Graphite composite comprising of 64 wt% of natural graphite, 16 wt% of synthetic graphite and 20 wt% of phenolic resin binder heat treated at 1800 0C have been used to encapsulate the TRISO coated fuel particles in the PBMR and considered to serve in the initial state of neutron moderation as well as heat conduction. The structural and thermal properties of the pristine and irradiated samples will be compared to IG110 nuclear graphite so as to check its degree of applicability in the nuclear reactor. The structure and disorder of both materials is investigated using X-ray diffraction (XRD) and Raman spectroscopy, while Low and high temperature thermal and electrical properties is investigated using physical property measuring system (PPMS) and laser flash analyser (LFA) respectively.

Consider for a student <br> &nbsp; award (Yes / No)? Yes
Level (Hons, MSc, <br> &nbsp; PhD, other)? Msc
Would you like to <br> submit a short paper <br> for the Conference <br> Proceedings (Yes / No)? No

Primary author

Ms phathutshedzo murovhi (university of pretoria)


Dr Ncholu Manyala (University of Pretoria)

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