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材料工程  2011 

纳米Fe3O4与纳米SrO·6Fe2O3填充丁腈橡胶复合材料的力学与磁学性能

Keywords: NBR/SrO·6Fe2O3复合材料,NBR/Fe3O4复合材料,力学性能,磁学性能

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Abstract:

以NBR、纳米Fe3O4和纳米SrO·6fe2O3为原料制备了NBR/Fe3O4复合材料与NBR/SrO·6Fe2O3复合材料。研究了不同纳米粒子含量时,两种复合材料中的物理机械性能变化、磁学性能以及复合材料中的纳米粒子分布。结果表明随着纳米粒子的不断加入,复合材料的抗拉强度、300%定伸应力与扯断伸长率不断下降,但是硬度与门尼黏度不断提高。加入的纳米粒子在NBR基体中分布较为均匀。随着纳米Fe3O4粒子和纳米SrO·6Fe2O3含量的加大,复合材料的磁性能不断得到提高。两种复合材料均具有较好软磁性能,为该类复合材料的进一步应用奠定了基础。

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