Novel surface pretreatment process of aluminum alloy with fluoride-free and ammonium-free formula
ZHANG Chao, LIU Qingfen, HUANG Xiaozhu, LIANG Xiangfeng, LI Wangliang, WANG Xiao, LIU Yinting, LIU Huizhou
CIESC Journal . 2014, (9): 3559 -3567 .  DOI: 10.3969/j.issn.0438-1157.2014.09.034