基于同步辐射<strong>X</strong>射线成像液<strong>/</strong>固复层界面氢气泡的形核、生长演变与运动行为的原位研究

基于同步辐射X射线成像液/固复层界面氢气泡的形核、生长演变与运动行为的原位研究

丁宗业, 胡侨丹, 卢温泉, 李建国

In Situ Study on the Nucleation, Growth Evolution, and Motion Behavior of Hydrogen Bubbles at the Liquid/ Solid Bimetal Interface by Using Synchrotron Radiation X-Ray Imaging Technology

DING Zongye, HU Qiaodan, LU Wenquan, LI Jianguo

图11 Al/Ni液/固界面第一阶段变形氢气泡迁移合并的实时成像，第二阶段静止吞并行为的实时成像和示意图，及Al/Ni液/固界面氢气泡的合并行为的实时成像

Fig.11 In situ images of migration and coalescence of hydrogen bubbles during the first stage at the liquid Al/solid Ni interface (a), in situ images and schematic diagram of annexation of static hydrogen bubbles during the second stage at the liquid Al/solid Ni interface (b), and in situ images of coalescence of hydrogen bubbles at the liquid Al/solid Ni interface (c, d) ( J₁ and J₃ represents the H diffusion fluxes through the bubble/melt interface of large bubble and small bubble, respectively; J₂ indicates the H diffusion flux between different bubbles with various radius; $r_{p}^{1}$ and $r_{p}^{2}$ is the radius of large bubble and small bubble, respectively; $r_{e}^{1}$ and $r_{e}^{2}$ is the H diffusion layer radius of large bubble and small bubble, respectively; C_H1 and C_H2 is the H concentration at the diffusion layer/melt interface of large bubble and small bubble, respectively; $C_{H 1}^{'}$ and $C_{H 2}^{'}$ is the H concentration at the bubble/diffusion layer interface of large bubble and small bubble, respectively; d is the diffusion distance between two different bubbles with various radius)