共查询到20条相似文献,搜索用时 62 毫秒
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采用红泥等当地劣质原料研制了二次烧高档红坯内墙砖,结果表明,红坯内墙砖的整体性能好于普通坯,可以充分利用当地劣质原料生产有釉陶瓷砖。 相似文献
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介绍了云天化硝酸装置的氨氧化炉炉头出现异常烧红的有关情况 ,分析和探讨了炉头烧红的现象、特点和原因 ,提出了硝酸装置在开车过程中预防氨氧化炉炉头烧红的对策措施。 相似文献
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本文介绍了利用新余透辉石和新干沸腾炉渣为主要原料,结合当地丰富的红粘土,根据工厂实际工艺流程与设备情况,成功地开发生产的低温二次快烧彩釉外墙砖,其素烧温度980-1000℃,周期为80min,釉烧温度1080-1100℃,周期60-80min,产品的各项物理性能指标均达到国标GB11947-89《彩色釉面墙地砖》要求。 相似文献
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本文介绍了潮州圆子红用金属锡锭代替氧化锡的独特工艺流程,详述了生产过程中的"炒锡"、"烧红"、"煅烧"等先进科学方法。为陶瓷装饰材料生产的低污染、节源、节能减排提供了解决的方法和途径。 相似文献
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简要说明了卫生陶瓷实现快速烧成的必要性及其发展状况,着重介绍了快烧隧道窑中各阶段的截面分布全面分析了均衡卫生陶瓷快烧隧道窑截面温度的具体措施。 相似文献
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Charles C. Lawrence 《Polymer International》1978,10(1):93-97
This paper discusses the need for high temperature treatment of manufactured components and a new technique that enables this to be carried out with controlled loss of geometry on shaped components. 相似文献
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Paul Wagner 《Carbon》1976,14(1):71-73
The dependence of the thermal conductivity of carbon residues of one pitch and one polyfurfuryl alcohol binder on the heat treatment temperature has been investigated. Specially prepared graphites made with these two binders were used for the experiments. The thermal conductivity data were analyzed in terms of a two-component system and the binder residue thermal conductivity calculated. Both binder residues show an increase in thermal conductivity with increasing heat treatment temperature. 相似文献
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Arnon Kraipok Pratthana Intawin Patamas Bintachitt Wilaiwan Leenakul Orawan Khamman Sukum Eitssayeam Tawee Tunkasiri Kamonpan Pengpat 《International Journal of Applied Ceramic Technology》2022,19(3):1415-1427
This study aims to investigate the influence of heat treatment temperatures on the mechanical properties and chemical solubility (CS) of lithium disilicate-fluorcanasite glass-ceramics and to develop new dental materials. The glasses and glass-ceramics were prepared using CaF2-SiO2-CaO-K2O-Na2O-Li2O-Al2O3-P2O5-based glass system using a conventional melt quenching method followed by a two-stage crystallization process. This two-stage method involves two heating temperature steps: first at a constant temperature (TS1) of 600°C and second step at varying temperatures (TS2) of 650, 700, 750, and 800°C. The crystallization behavior, phase formation, microstructure, translucency characteristic, density, hardness, fracture strength, and CS were investigated. It was found that the lithium disilicate crystal acted as the main crystalline phase, and the crystalline phase of fluorcanasite occurred at the heat treatment temperatures of 750 and 800°C. In addition, it was found that density, hardness, fracture strength, and CS increased while the translucency values decreased with increasing heat treatment temperatures. Furthermore, the CS increased dramatically when the fluorcanasite phases occurred in the glass-ceramic samples. The maximum density values, Vickers hardness, fracture toughness, and flexural strength are 2.56 g/cm3, 6.73 GPa, 3.38 MPa.m1/2, and 259 MPa, respectively. These results may offer a possibility to design a new material for dental applications based on lithium disilicate-fluorcanasite glass-ceramics. 相似文献