Melting behavior of MgO-based inert matrix fuels containing (Pu,Am)O2−x
Source abstract
Abstract
Abstract The melting behavior of MgO-based inert matrix fuels containing (Pu,Am)O 2− x ((Pu,Am)O 2− x –MgO fuels) was experimentally investigated. Heat-treatment tests were carried out at 2173 K, 2373 K and 2573 K each. The fuel melted at about 2573 K in the eutectic reaction of the Pu–Am–Mg–O system. The (Pu,Am)O 2− x grains, MgO grains and pores grew with increasing temperature. In addition, Am-rich oxide phases were formed in the (Pu,Am)O 2− x phase by heat-treatment at high temperatures. The melting behavior was compared with behaviors of PuO 2− x –MgO and AmO 2− x –MgO fuels.
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Research context
OpenAlex topics: Nuclear Materials and Properties · Nuclear reactor physics and engineering · Thermodynamic and Structural Properties of Metals and Alloys
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