氧化铝纤维对铝酸盐水泥抗高温及力学性能的影响  

The effect of alumina fiber on the high-temperature resistance and mechanical properties of aluminate cement

作　　者：蒋李志鸿 文华[1] 邓杨杨 谭树成 付文涛 刘颖 JIANG Lizhihong;WEN Hua;DENG Yangyang;TAN Shucheng;FU Wentao;LIU Ying(College of Civil Engineering and Architecture,Southwest University of Science and Technology,Mianyang 621010,China;Sichuan Shuyu Petroleum Construction and Installation Engineering Co.Ltd.,Chengdu 610084,China)

机构地区：[1]西南科技大学土木工程与建筑学院,四川绵阳621010 [2]四川蜀渝石油建筑安装工程有限责任公司,四川成都610084

出　　处：《新型建筑材料》2024年第11期67-70,76,共5页New Building Materials

摘　　要：以提高耐火度为目的将氧化铝纤维掺入铝酸盐水泥中采用0.1%、0.2%、0.3%、0.4%掺量的氧化铝纤维进行试验,结果表明:试样常温力学性能随着煅烧温度升高而提高;氧化铝纤维掺量为0.3%最为合适,力学性能最好,线变化率最小;物相组成与显微结构分析表明,TiO2可以降低CA6的生成温度,促使CA6形成更大、更厚的六边形片状,使得结构耐火度及强度提高。The experiment aimed to improve the refractoriness of calcium aluminate cement by adding alumina fibers in varying amounts(0.1%,0.2%,0.3%,and 0.4%).The analysis results indicate:the mechanical properties of the samples at room temperature improve with increasing calcination temperature;the optimal addition amount of alumina fibers is 0.3%,yielding the best mechanical properties and minimal linear change rate;phase composition and microstructure analysis show that TiO2 can lower the formation temperature of CA6,promoting the formation of larger and thicker hexagonal plates,thereby enhancing the structural refractoriness and strength.

关 键 词：铝酸盐水泥 氧化铝纤维 浇注料 抗高温性能 

分 类 号：TU528.34[建筑科学—建筑技术科学]