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以聚龙一号装置为驱动源,分别结合理论计算和电路模拟,开展了磁驱动平面加载实验设计和样品加载路径控制,实现了高电导率无氧铜(OFHC)材料的准等熵压缩。实验中采用现有的波剖面测量实验技术成功测量了两个不同厚度OFHC样品/LiF窗口材料的界面速度历史,再结合Lagrange分析和反积分计算,成功获取了铜直到100GPa的准等熵压缩参考线,与国外公布的SESAME数据线符合较好。
Based on Julong-1 device, theoretical experiments and circuit simulations were carried out respectively. Experimental design of magnetic drive plane loading and sample loading path control were carried out to achieve quasi-isentropic compression of high-conductivity oxygen-free copper (OFHC) material. In the experiment, the interface velocity history of OFHC samples / LiF window materials with two different thicknesses was successfully measured by using the existing wave profile measurement experiment technique. Combined with Lagrange analysis and inverse integral calculation, the quasi-isentropic compression reference of copper up to 100 GPa Line, and published abroad SESAME data line in line with better.