热浸镀铝钢经等离子体电解氧化(Plasma Electrolytic Oxidation,PEO)处理后,表面铝镀层转化为陶瓷层.实验对阳极电压变化、陶瓷层生长规律、涂层截面形貌和成分等进行了研究.结果表明:在PEO初期,热浸铝试件的阳极电压变化趋势与纯铝试件相同,在PEO后期电压有下降趋势.铝镀层消耗和陶瓷层厚度增长近似为线性变化.当铝镀层完全陶瓷化后,FeAl层参与PEO反应,但陶瓷层生长速率变慢,在界面处出现大量裂纹;陶瓷层主要成分为Al、Si、O元素,相结构主要为γ-Al2O3与莫来石相,在PEO后期出现α-Al2O3相.复合陶瓷层硬度呈区域性分布,陶瓷层最高硬度可达HV1800.
参考文献
| [1] | Yerokhin A L,Nie X,Leland A,et al.Surf.Coat.Technol.,1999,122:73-93. |
| [2] | Xue Wenbin,Deng Zhiwei,Chen Ruyi,et al.Thin Solid Films,2000,372:114-117. |
| [3] | 关永军,夏原.力学进展,2004,34(2):237-249. |
| [4] | Yang Xiaozhan,He Yedong,Wang Deren,et al.Chin.Sci.Bull.,2003,48 (8):746-750. |
| [5] | Saakiyan L S,Efremov A V,et al.Fiziko-Khimicheskaya Mekhanika Materialov,1987,23 (6):88-90. |
| [6] | Tan T R,Cheng J R.Wang J H,et al.Surf.Coat.Technol.,1998,(110):194-199. |
| [7] | 辛世刚,宋力昕,赵荣根,等(XIN Shi-Gang,et al).无机材料学报(Journal of Inorganic Materials),2006,21(2):493-498. |
| [8] | Lazarev V B,Sanyjin V P,Saakiyan L S,et al.Neorganicheskie Materialy,1991,27 (4):741-746. |
| [9] | Gu Weichao,Shen Dejiu,Wang Yulin,et al.Appl.Surf.Sci.,2006,252:2977-2932. |
| [10] | Efremov A P.Protection of metals,1989,25 (2):176-180. |
| [11] | Yu Sheng-Xue,Xia Yuan,et al.Trans.of Nonferrous Metals Society of China,2004,14,Suppl.2:310-314. |
| [12] | 解世岳,王从曾,寇斌达,等.轻合金加工技术,2003,31(9):35-38. |
| [13] | 杨钟时,贾建峰,田军(YANG Zhong-Shi,et al).无机材料学报(Journal of Inorganic Materials),2004,19(6):1446-1450. |
| [14] | 吴振强,夏原,关永军.材料热处理学报,2006,27(2):103-107. |
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