原位自生TiB2/Al基复合材料的腐蚀防护技术研究现状

王浩伟, 赵德超, 汪明亮

A Review of the Corrosion Protection Technology on In SituTiB2/Al Composites

WANG Haowei, ZHAO Dechao, WANG Mingliang

图3 原位自生TiB2/A356复合材料氧化膜形貌，阳极氧化膜表面化学沉积铈转化膜形貌，复合材料表面铈转化膜的XPS Ce3d谱，复合材料、表面阳极氧化膜以及铈转化膜极化曲线，以及铈转化膜形成示意图[23,24]

Fig.3 SEM images of anodic film on TiB2/A356 composite (a, b)[23], surface morphologies of Ce sealing layer on anodized composites (c, d)[23], Ce3d spectrum of cerium sealing layer on the anodized sample (e)[23], potentiodynamic polarization curves of bare composite, unsealed and sealed anodized composites in a 3.5%NaCl solution (f)[23], and schematic process of cerium-conversion coating (g)[24]