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首页> 外文期刊>High Temperature Material Processes >PREPARATION OF INSULATING REFRACTORY MATERIALS BY PLASMA SPRAY TECHNOLOGY
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PREPARATION OF INSULATING REFRACTORY MATERIALS BY PLASMA SPRAY TECHNOLOGY

机译：等离子喷涂技术制备绝缘耐火材料

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摘要

The study covers results of production of high thermal resistant granules, fibres and ceramic coatings by plasma spray technology. Aluminium hydroxide, pure kaolin and their mixtures with 20, 50 and 80percent quartz sand, yttria partially (10wt(percent)) stabilized zirconia and titanium dioxide were injected into air plasma jet generated by DC linear plasma torch. Hard ceramic granules and fibres were produced in the plasmachemical reactor, which is directly connected with a plasma torch. The coatings were deposited on polished titanium alloy and stainless steel sheets. Determination of microstructure, elemental and phase composition of the resulting products was carried out using scanning electron microscopy and X-ray diffraction analysis, respectively along with studies of mechanical properties of the material. As the data of this study show, the use of plasma spraying technology has significant consequence in the formation of high thermal resistant refractory products which represent a new approach in the domain of mineral fibre and granules preparation.
机译：该研究涵盖了通过等离子喷涂技术生产高耐热性颗粒，纤维和陶瓷涂层的结果。将氢氧化铝，纯高岭土及其与20％，50％和80％石英砂，部分氧化钇（10wt％）稳定的氧化锆和二氧化钛的混合物注入由直流线性等离子炬产生的空气等离子束中。在等离子化学反应器中生产硬陶瓷颗粒和纤维，该反应器直接与等离子炬连接。涂层沉积在抛光的钛合金和不锈钢板上。分别使用扫描电子显微镜和X射线衍射分析以及材料的机械性能研究来确定所得产物的微观结构，元素和相组成。如本研究数据所示，等离子喷涂技术的使用对形成高耐热耐火材料具有重要意义，这代表了矿物纤维和颗粒制备领域的一种新方法。

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