CAJ | 학술논문

以草酸氧钛纳米颗粒为分散相，以粘度相近、端基不同的硅油(羟基硅油、甲基含氢硅油、二甲基硅油)为基液制备电流变液，测试其剪切屈服强度、零场粘度、漏电流密度、剪切稳定性、沉降稳定性，以研究硅油端基结构对电流变液性能的影响。测试结果表明，以极性端基能够提高电流变液的剪切屈服强度、电流变效率及沉降稳定性，但导致漏电流密度增大；空间位阻作用较小的端基能够提高电流变液的剪切屈服强度、电流变效率，降低漏电流密度，但导致沉降稳定性变差。
이초산양태납미과립위분산상，이점도상근、단기불동적규유(간기규유、갑기함경규유、이갑기규유)위기액제비전류변액，측시기전절굴복강도、령장점도、루전류밀도、전절은정성、침강은정성，이연구규유단기결구대전류변액성능적영향。측시결과표명，이겁성단기능구제고전류변액적전절굴복강도、전류변효솔급침강은정성，단도치루전류밀도증대；공간위조작용교소적단기능구제고전류변액적전절굴복강도、전류변효솔，강저루전류밀도，단도치침강은정성변차。
Electrorheological (ER)fluids were fabricated by dispersing oxalate group-modified amorphous titani-um oxide nanoparticles in silicone oil with similar viscosity but different terminal groups (hydroxyl,hydrogen, and methyl).The yield stress,zero-field viscosity,ER efficiency,leak current density,shear stability and sedi-mentation stability was tested to find the influence of the terminal group of silicone oil on properties of ER flu-ids.The results indicated that the ER fluids based on the silicone oil with polar terminated group presents im-proved yield stress,higher ER efficiency,and better sedimentation stability,but larger leakage current density, while the ER fluids based on the silicone oil with small terminated group presents higher yield stress,higher ER efficiency,and less leakage current density,but worse sedimentation stability.