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聚合物/层状硅酸盐纳米复合材料(polymer-layered silicate nanocomposites, 简称PLS纳米复合材料)较传统的聚合物填充复合材料具有更优越的性能. 含量相当低的薄片状硅酸盐即可以使材料性能明显提高. 然而, 在其体积百分比超过某一较小的临界值后, 继续增加增强相的含量将不再有进一步的增强效果. 这一实验发现与以往的细观力学预测不一致, 而且一直没有合理的解释. 从材料的微观结构特点出发, 揭示了上述现象的微观物理机制, 并采用Mori-Tanaka方法和数值手段, 给出了其有效模量的计算方法.
Polymer-layered silicate nanocomposites (PLS nanocomposites) have more superior properties than traditional polymer-filled composites. The relatively low content of sheet silicate allows However, after the volume percentage exceeds some small critical value, the increasing of the content of the reinforcing phase will not be further enhanced, which is inconsistent with the previous micromechanical prediction, and There is no reasonable explanation.Starting from the microstructure characteristics of the material, the microscopic physical mechanism of the above phenomenon is revealed and the calculation method of its effective modulus is given by Mori-Tanaka method and numerical means.