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2 原位自生TiB2/7050Al在不同pH值溶液中的Nyquist图、Bode图、极化曲线及不同pH值条件下静态浸泡8 d后试样腐蚀形貌[16]

Fig.2 Nyquist (a), Bode (b), and polarization (c) curves of in situ TiB2/7050Al composites, and SEM images after immersing 8 d of in situ TiB2/7050Al composites at solutions with pH = 4 (d), pH = 6 (e, f), pH = 7 (g), and pH = 10 (h, i)[16] (Ecorr—corrosion potential, Epit—pitting potential, ND—normal direction, ED—extrusion direction; Figs.2f and i are the enlargements of the dash areas in Figs.2e and h, respectively)