采用场发射扫描电镜(FE-SEM,德国Zeiss,SUPRA55)对涂层的表面形貌进行观察。测试样品在观察前喷金处理15 s。
The surface morphology of the coating was observed by field emission scanning electron microscopy (FE-SEM, Zeiss, SUPRA55, Germany). The test samples were sprayed with gold for 15 s before observation.