A high-resolution (~ 1 μm) three-dimensional (3D) X-ray micro-computed tomography (μ-CT) was used to nondestructively detect pore characteristics in silicon particle preforms with different starch contents (10%, 20% and 30%) and particle sizes (20, 50 and 90 μm). A pressure infiltration equipment was made to infiltrate the preforms. The preforms were infiltrated at constant temperature (800 °C) and pressure (400 kPa) with different pressure-applied times (3, 5, 8, 11 and 15 s). Since the discrepancy between the infiltration heights measured in the experiment and calculated with the general infiltration equation was found, a modified infiltration equation was proposed considering the pore characteristic parameters from 3D μ-CT. The results of the modified infiltration equation showed good agreement with the experiment.

中文翻译：

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用通用和修正的渗透方程计算 AlSi12 合金对多孔硅预制棒的渗透

高分辨率 (~ 1 μm) 三维 (3D) X 射线显微计算机断层扫描 (μ-CT) 用于无损检测具有不同淀粉含量（10%、20% 和 30 %）和粒径（20、50 和 90 μm）。制造压力渗透设备以渗透预成型件。在恒定温度 (800 °C) 和压力 (400 kPa) 下以不同的压力施加时间 (3、5、8、11 和 15 秒) 渗透预制件。由于发现实验测得的入渗高度与一般入渗方程计算出的入渗高度存在差异，考虑到3D μ-CT的孔隙特征参数，提出了改进的入渗方程。修正后的渗透方程结果与实验结果吻合良好。