2A12铝合金锆基转化膜的制备及性能研究
于宏飞1,2, 邵博3, 张悦1, 杨延格2(
)
)
Preparation and Properties of Zr-based Conversion Coating on 2A12 Al-alloy
YU Hongfei1,2, SHAO Bo3, ZHANG Yue1, YANG Yange2()
)
图5. 前处理过程中SEM像
Fig.5. Micrographs among pretreatment: (a) alkaline cleaning, (b) acid cleaning
