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首页> 外文期刊>Solid Fuel Chemistry >Coal Waste as a Promising Raw Material for the Production of Heat-Resistant Refractory p-Sialon Ceramics
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Coal Waste as a Promising Raw Material for the Production of Heat-Resistant Refractory p-Sialon Ceramics

机译：煤矸石作为生产耐热耐火材料P-Sialon陶瓷的有希望的原料

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摘要

The beta- and 15R-sialons were obtained from coal waste (carbonaceous rocks) at the Institute of Fossil Fuels (IGI) for the first time in the world. Ceramics based on beta-sialon powder made from carbonaceous rock by compression sintering possessed increased cracking resistance, as compared to that of known analogues, even when heated in a plasma flow at 2000 degrees C. In this case, other characteristics of the ceramics, such as strength and thermal coefficient of linear expansion, are also in the acceptable ranges of characteristics for such materials. The full-scale tests of odd-shaped products at temperatures to 1420-1450 degrees C did not cause destruction and cracking; this fact demonstrates the applicability of carbonaceous rocks of a certain composition as raw materials for the production of heat-resistant refractory nitride ceramics based on beta-sialon. Technical requirements imposed on the composition of carbonaceous rocks suitable for the production of beta-sialon found in the course of this study and technical characteristics of beta- and 15R-sialon ceramics obtained from carbonaceous rocks are reported.
机译：在世界上第一次，在化石燃料（IGI）的煤矸石（碳酸盐）中获得了β-和15r-sialons。基于β-唾液粉的陶瓷通过压缩烧结由碳质岩石制成，与已知的类似物相比，具有增加的裂化抗性，即使在2000℃的等离子体流中加热时，也是如此。在这种情况下，陶瓷的其他特征作为线性膨胀的强度和热量系数，也是这种材料的可接受的特性范围。在温度下的奇数产品到1420-1450摄氏度的全刻度测试没有造成破坏和破裂;这一事实证明了某种组合物的碳质岩石的适用性是基于β-赛隆的耐热耐火氮化物陶瓷生产的原料。据报道，在本研究过程中发现的碳质岩组合物的技术要求，并据报道了从本研究中发现的β-唾液管和由含碳岩石中获得的β-和15R-Sialon陶瓷的技术特征。

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