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Abstract Purpose – Several solid solution combinations of aluminium oxide and iron oxide, for the preparation of a new pigment, were investigated to study the effect of aluminium oxide to iron oxide ratio on various properties of the resulting pigments. Design/methodology/approach – The conditions for the preparation of the pigments via solid solution interaction at 1,0008C had been estimated. Characterisation of three different combinations of aluminium oxide and iron oxide were carried out using spectroscopic methods of analysis via X-ray diffraction (XRD), transmission and scanning electron microscopy (TEM and SEM). Also, evaluation of the pigments prepared, in terms of oil absorption, specific gravity, water-soluble matter, and pH, using international standard testing methods was performed. The pigments prepared were incorporated in anticorrosive paint formulations based on medium oil alkyd resin as a binder. The physico-mechanical properties of the relevant paint films were obtained, while their anticorrosive properties were assessed by tests in 3.5 per cent NaCl solution for 28 days. Findings – The results showed that the anticorrosive protection properties of the pigment prepared were better than their aluminium and iron counterparts. Research limitations/implications – The pigments prepared may be used in different applications other than paint formulations. As the concentration of iron oxide increases, the hardness and the anticorrosive protection performance of the paint film increase. As the concentration of aluminium increases, elasticity, impact resistance and ductility also increase. Application of different combinations of these pigments in paint films had been studied. However, investigation of the application of these pigments in other systems such as plastics could also be interesting. Practical implications – The pigments prepared can be used as reinforcing filler in different rubber and plastic composites, beside its ferro-magnetic properties. As the concentration of alumina increased, the reinforcing and magnetic effects decreased and vice versa. Originality/value – Iron oxide is an abundant ore in several world countries; it is an inorganic, environmentally friendly material, which exhibits good Moh’s hardness. Adding aluminium oxide which is a very light element having a unique flaky structure to iron oxide gave a new pigment that can be used not only in paint formulations, but also in rubber and plastic composites as reinforcing fillers. Keywords Pigments, Oxides, Metals, Paints, Corrosion protection Paper type Research paper  翻译1截图.jpg |
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ma0xiao0yu7
木虫 (小有名气)
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篮球少年: 金币+30, 翻译EPI+1, ★★★很有帮助 2014-09-19 18:23:12
篮球少年: 金币+30, 翻译EPI+1, ★★★很有帮助 2014-09-19 18:23:12
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摘要 目的：对于制备新型颜料的不同组合的氧化铝和氧化铁固相溶液，我们研究了不同比例氧化铝，氧化铁组成对于最终颜料性质的影响。 设计/方法/手段——我们预估了1000℃时，固相溶液相互作用时颜料的制备条件。通过X射线衍射光谱的技术，透射电镜，扫描电镜对不同混合比例的氧化铝，氧化铁进行了表征。同时，对于制备的颜料，我们也进行了一系列国际标准测试，诸如吸油量，比重，水溶物，pH等。制备得到的颜料结合防锈涂料配方，以油为溶解介质，醇酸树脂为交联剂。我们能得到相应的涂料涂层物理机械性能，而防锈性能则通过3.5%氯化钠溶液浸泡28天来进行评价。 结论：结果表明，涂料的防锈性能要好于铝，铁材料。 |
2楼2014-09-19 16:00:58
ma0xiao0yu7
木虫 (小有名气)
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3楼2014-09-19 16:01:13
ma0xiao0yu7
木虫 (小有名气)
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4楼2014-09-19 16:04:57
