High Heat Flux Testing of Doped and Coated Graphite Using High Intensity Pulsed Ion Beam |
| X.P. Zhu, C. Liu and M.K. Lei
Surface Engineering Laboratory, School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China |
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| A high intensity pulsed ion beam (HIPIB) technique is applied to heat flux testing of plasma facing materials for fusion experiment. The HIPIB is generated at a relatively stable power density up to 108 W/cm2, which covers a heat flux parameter of up to several hundreds MW m-2 s1/2. Surface morphology and weight loss are examined for doped and coated graphite with HIPIB exposure of 280 MW m-2 s1/2, being of the same order of thermal loads during off normal events in future fusion reactors. The work demonstrates a first example utilizing the HIPIB technique to study thermal response of plasma facing materials under fusion relevant thermal loads. |
| DOI: 10.12693/APhysPolA.115.1177 PACS numbers: 28.52.Fa, 52.59.Mv, 81.05.Uw |