An Experimental Investigation of the Density and Thermal Expansion of Advanced Materials and Heat-Transfer Agents of Liquid-Metal Systems of Fusion Reactor: Lead-Lithium Eutectic

摘要

The method of penetrating gamma-rays is used to measure the density of eutectic alloy of the Pb-Li system in the condensed state in the temperature range from 360 to 880 K. The confidence error of the experimental results is 0.4% and 0.3% for the solid and liquid phases, respectively. The experimental results for the density of lead-lithium eutectic are used to calculate the thermal expansion in the investigated temperature range. The investigation results are compared with the available literature data on the thermal properties of Pb-Li eutectic in the solid and liquid phases.