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水泥熟料的高温力学性能

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Abstract:

为了解水泥熟料破碎阻力随温度的变化,在实验室制备熟料样品,并在熟料冷却阶段的不同温度点进行力学实验。分析了水泥熟料样品载荷-位移曲线、抗压强度、弹性模量等随温度的变化情况。结果表明随温度的降低水泥熟料表现出明显的硬化特征,加载峰之后,水泥熟料的特性宏观上表现出塑性向脆性的渐次转变。在冷却阶段,水泥熟料的弹性模量和抗压强度均随温度的降低而增大,温度低于1000℃后弹性模量急剧增大。温度从1100℃降至800℃时熟料的抗压强度增幅达73.4%。

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