纳米Fe3O4-K2O·3Al2O3·6SiO2·2H2O 金色亮粉复合颗粒改性环氧涂层用于H68黄铜涂层的耐蚀性
Anti-corrosion Performance of Glitter Gold Color Epoxy-based Composite Coating on H68 Brass Modified by Nano-Fe3O4-K2O·3Al2O3·6SiO2·2H2O
摘 要
利用机械混合的方法制备了纳米Fe3O4-K2O·3Al2O3·6SiO2·2H2O环氧复合涂层,并采用HV显微硬度试验,划格测试,电化学阻抗谱,极化曲线等方法研究了这种新型涂层的显微硬度、附着力和耐腐蚀性能。结果表明,这种具有黄铜色泽的新型复合环氧材料的显微硬度和附着力与环氧涂层相比略有增加,并在人工酸雨介质中具有良好的防腐蚀性能。因此,这种新型复合涂层材料是一种理想的黄铜保护材料。
人工酸雨
环氧复合涂层
电化学阻抗谱
Fe3O4纳米颗粒
anti-corrosion
artificial acid rainwater
epoxy-besed composite coating
EIS
Fe3O4 nanoparticle
Abstract
An epoxy-based composite coating containing various combinations of magnetic iron oxide (Fe3O4) nanoparticles and glitter gold color powder (K2O·3Al2O3·6SiO2·2H2O) were prepared by mechanical mixing method. Microhardness,adhesion and corrosion resistance of the new composites were studied by Vickers′ hardness test (HV test),cross-cut test,electrochemical impedance spectroscopy (EIS) and polarization curves,respectively. The results showed that the microhardness and adhesion of the novel composites containing fillers slightly increased compared with those of epoxy. The results also pointed out that the new composites had good anti-corrosion properties in artificial acid rainwater (ARW). Hence,those new composites can be applied to protective coating on brass ideally.
中图分类号 TG174
所属栏目 试验研究
基金项目 国家自然科学基金(50571059,50615024);教育部新世纪优秀人才支持计划(NCET-07-0536)
收稿日期 2014/4/27
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备注钟庆东(1969-),教授,博士,从事材料腐蚀相关研究,021-56338244.
引用该论文: PEI Guo-ping,ZHOU Qiong-yu,ZHONG Qing-dong,GU Shuai-shuai,JI Dan. Anti-corrosion Performance of Glitter Gold Color Epoxy-based Composite Coating on H68 Brass Modified by Nano-Fe3O4-K2O·3Al2O3·6SiO2·2H2O[J]. Corrosion & Protection, 2015, 36(1): 6
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参考文献
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【4】SUN X M,ZHOU Q,ZHOU Q Y,et al. Study on the deterioration process of bipolar coating using electrochemical impedance spectroscopy[J].Applied Surface Science,2011,257:6095-6101.
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【7】HONGBO G,SRUTHI T,YUDONG H,et al. Polyaniline stabilized magnetite nanoparticle reinforced epoxy nanocomposites[J].ACS Application Materials and Interfaces,2012,4(10):5613-5624.
【8】PETER A,CHRISTINE M D,AILSA L D,et al. Column leaching and sorption experiments to assess the mobility of potentially toxic elements in industrially contaminated land[J].Journal of Environment Monitor,2000,2:234-239.
【9】ANDREA K,IRINA S,JAROSLAV S,et al. Anticorrosion properties of polyaniline-coated pigments in organic coatings[J].Corrosion Science,2008,50:3549-3560.
【10】SCHAUER T,JOOS A,DULOG L,et al. Protection of iron against corrosion with polyaniline primers[J].Progress in Organic Coatings,1998,33:20-27.
【11】ARAUJO W S,MARGARIT I C P,FERREIRA M,et al. Undoped polyaniline anticorrosive properties[J].Electrochimica Acta,2001,46:1307-1312.
【12】PARK J H,LEE G D,NISHIKATA A,et al. Anticorrosive behavior of hydroxyapatite as an environmentally friendly pigment[J].Corrosion Science,2002,44:1087-1095.
【13】CHEN Y,WANG X H,LI J,et al. Long-term anticorrosion behaviour of polyaniline on mild steel[J].Corrosion Science,2007,49:3052-3063.
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【15】SHI A,KOKA S,ULLETT J. Performance evaluation on the weathering resistance of two USAF coating systems (standard 85285 topcoat versus fiuorinated APC topcoat) via electrochemical impedance spectroscopy[J].Progress in Organic Coatings,2005,52:196-209.
【16】GAMAL A E M,AYMAN M A,HAMAD A A L. Synthesis and evaluation of poly (sodium 2-acrylamido-2-methylpropane sulfonate-co-styrene)/magnetite nanoparticle composites as corrosion inhibitors for steel[J].Molecules,2014,19:1713-1731.
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