引用本文:何敬昌1,彭 乔2,韩兵利3.带支撑体的铝阳极氧化膜的柔韧性研究[J].中国表面工程,2011,24(2):26~30
HE Jing–chang1, PENG qiao2, HAN Bing–li3.Study of Flexibility on Anodic Aluminum Oxide Membrane with Support[J].China Surface Engineering,2011,24(2):26~30
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带支撑体的铝阳极氧化膜的柔韧性研究
何敬昌1,彭 乔2,韩兵利31,2,3
1. 中石化南京工程有限公司 管道工程室,南京 211100;2. 大连理工大学 化工学院,辽宁 大连 116000;3. 新疆科能石油化工公司 技术部,新疆 库尔勒 841000
摘要:
热处理是改变氧化膜的柔韧性的有效方法。探讨了热处理的时间、温度、电解液的成分等对膜柔韧性的影响,结果表明:电解液成分是影响氧化膜的柔韧性的主要因素。对于磷酸氧化膜,随着热处理温度的升高,保温时间延长,氧化膜的柔韧性升高后趋于平稳,温度过高时,氧化膜的表面会出现烧损现象。最佳的热处理条件是400 ℃,时间 10 min。热处理对硫酸和草酸介质中的氧化膜的柔韧性有不良影响,热处理后的磷酸多孔氧化膜的抗腐蚀性远强于未热处理的氧化膜的抗腐蚀性。
关键词:  阳极氧化  热处理  柔韧性
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Study of Flexibility on Anodic Aluminum Oxide Membrane with Support
HE Jing–chang1, PENG qiao2, HAN Bing–li31,2,3
1. Sinopec Nanjing Engineering & Construction Inc, Nanjing 211100;2. School of Chemical Engineering, Dalian University of Technology, Dalian Liaoning 116000;3. Keneng Petro–chemical Co. Ltd., Kuerle Xinjiang 841000
Abstract:
Heating treatment is an effective method to improve the flexibility of AAO membrane. The effects of time and temperature of heat treatment and the electrolyte component were investigated. The results show that the primary factor which affects the flexibility of AAO is the component of electrolyte. For the AAO membrane in phosphoric acid, the flexibility becomes better with the increasing of heating temperature and holding time. It barely grows when arriving at a certain temperature. The AAO membrane may be destroyed when been over–heated. So the best condition is 400 ℃ for 10 min. For the AAO membrane in sulfur acid and oxalic acid, heating treatment is not that good for the flexibility. The polarization curve of films indicates that the corrosion resistance of AAO membrane is improved after been heated in phosphoric acid.
Key words:  anodic oxide  heat treatment  flexibility
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