Bashtovoi was the founder of MFs using in spacecraft vibration reduction, who presented the MF dynamic absorber in 2002 . This MF dynamic absorber had a great significance to the development of MF inertia dampers, which improved the sensitivity by not filling MFs. At the beginning of the 21 st century, scholars replaced other liquids in tuned liquid dampers with MFs, on account of their controllable flow, to enhance the energy consumption efficiency of tuned MF dampers . As energy issues attract more and more attention, the combination of MF dampers and energy harvesters has made a remarkable progress in the past decade . Vibration energy harvesters are suitable for energy scarcity environments and are conducive to the development of devices miniaturization. From the 1960s to the present, in the history of MF dampers, researchers have been committed to improving the damping performance of MF dampers. To achieve the aim, they tried diverse configurations of MF dampers , added different porous materials into MFs and so on. However, little research has been done on the inner surface structures of MF dampers .