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本文研究了陶瓷纤维增强普硅水泥基复合材料的物理力学性能及耐久性。结果表明：当陶瓷纤维长度为5mm、掺量5％（Wf）时，其对水泥基体抗弯增强效果最佳，可提高约40％。若将基体颗粒粒度降低，则抗弯增强效果可进一步提高至100％左右；在70℃湿热条件下．陶瓷纤维的抗弯增强效果可长时间得以保持。试验研究表明陶瓷纤维在普硅水泥基材中的耐久性大大优于抗碱玻纤。本文还探讨了陶瓷纤维在普硅水泥中的耐久机理。
This paper studies the physical-mechanical properties and durability of ceramic fiber-reinforced Portland cement-based composites. The results show that when the ceramic fiber length is 5mm and the content is 5% (Wf), it has the best effect on the bending strength of the cement matrix and can be increased by about 40%. If the base particle size is reduced, the flexural reinforcing effect can be further increased to about 100%; in 70 °C hot and humid conditions. The bending resistance of ceramic fibers can be maintained for a long time. Experimental studies have shown that the durability of ceramic fibers in ordinary silicon cement substrates is much better than that of alkali-resistant glass fibers. This paper also discusses the durability mechanism of ceramic fibers in Portland cement.