Study of nano spatiotemporal dynamics on phase transformation in advanced materials by in situ observation technique

在这项研究中，我们开展了纳米时空动力学原位观测实验装置的研制，将在皮秒现象中成功测量出燃料球靶区激光惯性约束聚变反应的条纹相机与各种高速CCD相机相结合，以解决唯一遗留的问题，即提高时间分辨率，将透射电子显微镜的记录时间从2009财年延长到2011财年三年。我们将新研制的实验装置安装在我们目前的电子显微镜上，通过纳米时空分辨率的记录研究了电子辐照和离子辐照下接头界面处的裂纹起始点或多裂纹扩展，揭示了在高速生长的多条裂纹路径与纳米级缺陷之间的相互作用。

In this study, we carried out the development of in-situ observation experimental apparatus on nano spatiotemporal dynamics to combine the streak camera which had many successful results of the measurements in pico second phenomena on the laser inertial confinement fusion reaction at the target region of the fuel pellets and the various high speed CCD cameras in order to find out a solution of the only remaining issues to improve the temporal resolution and extend the recording time in TEM for three years from FY2009 to FY2011. We installed the newly developed experimental apparatus to our present TEM and investigate the crack initiation point or the multi crack propagation at the interface of the joint under electron irradiation and ion irradiation by recording in nano spatiotemporal resolution where so far it has not been done by us, and revealed the interaction between the multi crack paths which grew in high speed and nano sized defects.