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有机涂层户外曝晒与加速试验对比研究
引用本文:张勇,丁文勇,陈跃良,张泰峰.有机涂层户外曝晒与加速试验对比研究[J].装备环境工程,2013,10(2):14-17,70.
作者姓名:张勇  丁文勇  陈跃良  张泰峰
作者单位:海军航空工程学院青岛校区,山东青岛266041;海军航空工程学院青岛校区,山东青岛266041;海军航空工程学院青岛校区,山东青岛266041;海军航空工程学院青岛校区,山东青岛266041
摘    要:利用加速试验环境谱开展了有机涂层加速腐蚀试验。采用腐蚀程度对比方法,将试验结果与经自然曝晒的有机涂层进行对比研究,从失光、变色、粉化、起泡、开裂、剥落和基体腐蚀等特性,以及腐蚀的宏、微观形貌,对涂层分子链在降解程度等方面进行分析,证实了文中采用的加速试验环境谱模拟性好,并具有约2个周期当量自然曝晒1a的相关性。

关 键 词:有机涂层  加速试验  自然曝晒
收稿时间:2012/10/21 0:00:00
修稿时间:3/1/2013 12:00:00 AM

Comparison Study on Outdoor Exposure and Accelerated Tests of Organic Coatings
ZHANG Yong,DING Wen-yong,CHEN Yue-liang and ZHANG Tai-feng.Comparison Study on Outdoor Exposure and Accelerated Tests of Organic Coatings[J].Equipment Environmental Engineering,2013,10(2):14-17,70.
Authors:ZHANG Yong  DING Wen-yong  CHEN Yue-liang and ZHANG Tai-feng
Abstract:Accelerated corrosion tests were carried out by accelerated testing environmental spectrum for organic coatings.By corrosion degree comparison methods, the results of accelerated tests were compared with natural exposure. Gloss loss, powder,foaming, crack, spalling, matrix corrosion and other surface feature, corrosion macroscopic and microcosmic morphology, degradation degree of coating molecular chains and so on were analysed. The results showed that the imitativeness of accelerated testing environmental spectrum was better. Accelerated tests for two cycles were equivalent to natural exposure for one year.
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