基于,,酸盐,水泥和矿的被动防火材料的开发
Georgiana-Florina Badea1, Alina-Ioana Badanoiu1,2, Georgeta Voicu1,2
1Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu, 011061 Bucharest, Romania.
酸水泥 (CMPCs) 为钢铁提供防火保护. 这些新型水泥来自于经过处理的多洛米特和飞灰,在应用于钢板时表现出显著的耐热性.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 酸水泥 (CMPC) 是一种先进的材料,在建筑领域具有潜在的应用.
- 多洛米特和飞灰是丰富的工业副产品,可以用作水泥材料的前体.
研究的目的:
- 研究从热处理的多洛米特和飞灰中获得的CMPCs的合成和特性.
- 为了评估CMPC在钢基板上应用时的耐火性能.
主要方法:
- 多洛米特单独或用飞灰在750°C和1200°C进行热处理.
- 制备CMPC的方法是将前体与KH2PO4溶液和混合.
- 进行了设置时间,压力强度,XRD分析和耐火性测试.
- 材料与钢材的兼容性是使用SEM进行评估的.
主要成果:
- 多洛米特的热处理产生了MgO和CaCO3,而高温的飞灰则形成了酸和酸.
- 根据前体成分和热处理,CMPCs具有不同的定时间和压力强度.
- 含有珀莱特的CMPC糊和复合材料显示出良好的耐火性,显著减缓了暴露在火焰中的钢板温度升高,长达60分钟.
- SEM分析证实了CMPC与钢基板的兼容性.
结论:
- 从经过热处理的多洛米特和飞灰中合成的CMPC显示出其作为钢结构防火涂层的前景.
- 开发的CMPC提供了一种可行的解决方案,用于提高建筑物和基础设施中钢材元素的消防安全.
- 进一步的研究可以优化CMPC配方,以提高性能和在防火方面更广泛的应用.
更多相关视频
11:14Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent
Published on: February 21, 2017
08:29Multi-material Ceramic-Based Components – Additive Manufacturing of Black-and-white Zirconia Components by Thermoplastic 3D-Printing (CerAM - T3DP)
Published on: January 7, 2019
相关概念视频
Pozzolans
Fly ash is...
Masonry in Cold and Hot Weather Conditions
Other key practices include keeping masonry units...
Thermal Insulation in Masonry Walls
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
Types of Cement II
Strength and Heat of Hydration
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
Efflorescence in Masonry
While initial efflorescence is common post-construction and can be cleaned with water and a brush, in certain instances, efflorescence can reappear and gradually diminish over time as salts are leached out...
