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首页> 外文会议>Proceedings of the First International Conference on Application and Commercialization of Sol-Gel Processing, Saarbruecken, Germany >Sol-Gel-derived coatings on steel sheets
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Sol-Gel-derived coatings on steel sheets

机译：钢板上的溶胶凝胶涂层

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摘要

Requirements for the sol-gel-derived coatings on steel sheets were discussed and the properties of coating films prepared from organozircontium compounds and trifunctional alkoyxsilanes were manily presented. ZrO_2 coating on stainless steel sheets was achieved in air auccessfully using zirconium tetraoctylate or zirconium acetylacetonate as starting materials instead of commonly used zirconium alkoxides. The oxidation resistance of stainless steel sheets at high temperatue was improved by ZrO-2 coating, depending of the flm thickoxysilane to stainless steel sheets at the processed portions, such as bending, drawing and pressing, was obtained in a limited range of firing temperature from 200o to 300oC. This good adhesion was ascribed to a flexible structure of the films resulting from the remaining Si-CH_3 and Si-OH bonds.
机译：讨论了钢板上溶胶-凝胶衍生涂层的要求，并重点介绍了由有机锆化合物和三官能烷氧基硅烷制备的涂膜的性能。使用四辛酸锆或乙酰丙酮锆作为起始原料代替常用的烷氧基化锆，在空气中成功实现了ZrO_2涂层。通过ZrO-2涂层提高了不锈钢在高温下的抗氧化性，这取决于在有限的烧成温度范围内从加工后的弯曲，拉拔和压制等加工部位上的火焰状厚氧基硅烷到不锈钢片。 200o至300oC。这种良好的粘附力归因于由剩余的Si-CH_3和Si-OH键产生的膜的柔性结构。

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