论文部分内容阅读
氧化镁晶须增强建筑材料由2—30(重量)份的针状氧化镁晶须和100份水硬性材料或热合成基材组成。例如,将94份硅酸盐水泥和6份针状氧化镁晶须同水混合均匀后,模塑成型,再在183℃的温度条件下蒸养8小时,所得试块的弯曲强度可达260kg/cm~2,冲击强度可达16.5kg—cm/cm~2,而用玻璃纤维增强的水泥试块的弯曲强度仅为105kg/cm~2,冲击强度仅为2.1kg—cm/cm~2。
Magnesium Oxide Whisker Reinforced Building Materials Consists of 2 to 30 parts by weight of acicular magnesia whiskers and 100 parts of a hydraulically or thermally synthetic substrate. For example, 94 parts of Portland cement and 6 parts of acicular magnesia whiskers were mixed with water, then molded and then steam-cured for 8 hours at a temperature of 183 ° C. The flexural strength of the obtained test piece reached 260 kg / cm ~ 2, the impact strength of up to 16.5kg-cm / cm ~ 2, while the glass fiber reinforced concrete test piece flexural strength of only 105kg / cm ~ 2, the impact strength of only 2.1kg-cm / cm ~ 2 .