Liu Zhongshu,Liu Chun,Chi Lin,et al.Preparation and corrosion resistance of phytic acid conversion coating on aluminum alloys[J].Plating & Finishing,2023,(11):54-59.[doi:10.3969/j.issn.1001-3849.2023.11.008]
铝合金表面植酸转化膜的制备及耐腐蚀性能研究
- Title:
- Preparation and corrosion resistance of phytic acid conversion coating on aluminum alloys
- Keywords:
- aluminum alloy ; phytic acid ; chemical conversion ; corrosion resistance
- 分类号:
- TG178
- 文献标志码:
- A
- 摘要:
- 对 Al-Cu-Mg 合金在单一植酸溶液、植酸 +Zn 2+ 溶液、植酸 +Mn 2+ 溶液中分别进行化学转化处理。结果显示，合金在植酸 +Zn 2+ 溶液和植酸 +Mn 2+ 溶液中得到的表面膜层比在单一植酸溶液中的膜层更完整致密。化学转化处理提高了合金试样的腐蚀电位，并减小了其阳极电流密度。与在单一植酸中转化的合金相比，在植酸 +Zn 2+ 、植酸 +Mn 2+ 溶液中处理的合金具有更好的耐蚀性。
- Abstract:
- ： The phytic acid conversion coating was prepared by immerging the Al-Cu-Mg alloy samples in single phytic acid solution ， phytic acid+Zn 2+ solution ， and phytic acid+Mn 2+ solution respectively. The results show that the conversion coating on the samples in phytic acid+Zn 2+ solution or phytic acid+Mn 2+ solution is denser than that in single phytic acid solution. Moreover ， the chemical conversion increases the corrosion potential of the alloy ， and decreases the anodic current density of the samples. Compared with the sample in single phytic acid solution ， the samples in phytic acid+Zn 2+ solution or phytic acid+Mn 2+ solution have better corrosion resistance.
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备注/Memo
收稿日期： 2022-11-25 修回日期： 2022-12-10 作者简介： 刘钟书（ 2001 —），男，本科生， email ： 1000610@neuq.edu.cn * 通信作者： 房大然， email ： fangdaran@163.com 基金项目： 河北省自然科学基金资助项目（ E2021501019 ）?/html>