用溶胶-凝胶法制备了系列锐钛矿型掺杂稀土元素二氧化钛粉粒,在干态下对其所配制的电流变液进行了力学性能测试及其温度效应研究.结果表明,掺杂后的电流变液性能远优于同条件下所制纯二氧化钛电流变液.温度效应明显优化,在10℃～100℃均有较强的电流变活性,使用温度范围比纯二氧化钛电流变液大幅度加宽,80 ℃剪切应力达到最大.材料中的RE/Ti摩尔比对电流变效应影响显著,不同温度下RE/Ti=0.07～0.11之间电流变液呈现最佳的电流变效应,RE/Ti摩尔比引起电流变液介电性质的改变是电流变效应增强和不同的起因.
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