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首页> 外文期刊>Inorganic materials: applied research >Graded Baking as a Method for Homogenizing the Structure of Dense Ceramics
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Graded Baking as a Method for Homogenizing the Structure of Dense Ceramics

机译：等级烘焙作为均匀化致密陶瓷结构的方法

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摘要

The possibility of improvement of technological properties of ceramic mass through optimization of its composition is investigated. For a ceramic mixture consisting of 60% montmorillonite containing clay and 40 wt % kaolinite containing clay, a simple geometrical roasting process is simulated which provides minimum temperature gradients between surfaces and middle layers of samples. To obtain samples with a uniform structure in volume, graded baking is developed at temperatures of 600, 700, 800, 900, and 1000°C with sequential holding for 1 h at heating rates of 5 and 25 K/min. Experimental results of the evaluation of the influence of the heating rate on the kinetics of change in the macro parameters of samples are given. Disclosed are methods of controlling structural changes in high-temperature baking. It is shown that the graded baking of the optimized ceramic mixture allows expanding the sintering interval, and the variation in the heating rate contributes to homogenization of the structure of the dense ceramic.
机译：研究了通过优化其组合物来改善陶瓷物质的技术性质的可能性。对于包含含有粘土的60％蒙脱土的陶瓷混合物和含有粘土的40wt％高岭石，模拟简单的几何焙烧过程，其在表面和中间层之间提供最小温度梯度。为了获得体积均匀结构的样品，在600,700,800,900和1000℃的温度下开发梯度烘烤，在加热速率为5和25k / min的加热速率下连续保持1小时。给出了对样品宏观参数变化动力学对加热速率影响的评价的实验结果。公开了控制高温烘烤中结构变化的方法。结果表明，优化的陶瓷混合物的分级烘焙允许扩展烧结间隔，加热速率的变化有助于致密陶瓷结构的均匀化。

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