液体表面张力对涂层微缝中液体流动行为的影响:(a)环氧表面有深度为343.11 μm的缝隙,标尺为120 μm;(b)高表面能液体(水)在环氧树脂表面的接触角;(c)低表面能液体(乙醇)在环氧树脂表面接触角;(d)高表面能液体(水)在涂层缺陷处的流动行为;(e)低表面能液体(乙醇)在涂层缺陷处的流动行为
The influence of liquid surface tension on liquid flow behavior in coating microcracks: (a) The epoxy surface has a gap with a depth of 343.11μm, and the scale is 120μm; (b) The contact Angle of the high surface energy liquid (water) on the surface of the epoxy resin; (c) Contact Angle of low surface energy liquid (ethanol) on epoxy resin surface; (d) Flow behavior of high surface energy liquid (water) at coating defects; (e) Flow behavior of low surface energy liquid (ethanol) at coating defects