应用Instron材料试验机,于室温下考察了玻璃微珠含量及其表面处理对填充低密度聚乙烯复合物拉伸性能的影响.结果表明,复合材料的弹性模量(Ec)随着微珠体积分数的增加而增大,屈服强度(σyR)变化不大,而断裂强度(σbR)、断裂应变(εbR)和断裂能(EbR)则减小;在相同的实验条件下,微珠表面经硅烷偶联剂预处理的填充体系的Ec、σyR和σbR稍高于未作表面预处理的复合材料;对于εbR和EbR,两体系之间的差异甚微.
参考文献
| [1] | Mitsuishi K, Kodama S, Kawasaki H. Mechanical properties of polypropylene filled with calcium carbonate [J]. Polym Eng Sci, 1985, 25(17):1069～1073. |
| [2] | Bigg D M. Mechanical properties of particulate filled polymers [J]. Polym Eng Sci, 1987,8(2):115～122. |
| [3] | Maiti S N, Mahapatro P K. Mechanical properties of ipp/CaCO3 composites [J]. J Appl Polym Sci, 1991,42:3101～3110. |
| [4] | Jancar J, Dibenedetto A T, Dianselmo A. Effect of adhesion on the fracture toughness of calcium carbonate-filled polypropylene [J]. Polym Eng Sci, 1993,33(9):559～563. |
| [5] | Liang J Z, Li P K Y, Tjong S C. Morphology and tensile properties of glass bead filled low density polyethylene composites [J]. Polymer Testing, 1997,16(4):529～548. |
| [6] | Li R K Y, Liang J Z, Tjong S C. Morphology and dynamic mechanical properties of glass bead filled low density polyethylene composites [J]. J Mater Process Technol, 1998,79:59～65. |
| [7] | Guth E. Theory of filler reinforcement [J]. J Appl Phys,1945,16:20～25. |
| [8] | Nicolais L, Narkis M. Stress-strain behavior of styrene-acrylonitrile/glass bead composites in the glass region [J]. Polym Eng Sci,1971,11(3):194～199. |
| [9] | Turcsanyi B, Pukanszky B, Tados F. Composition dependence of tensile yield stress in filled polymers [J]. J Mater Sci Lett, 1988,7:160～162. |
| [10] | Liang J Z, Li R K V. Mechanical properties and morphology of glass bead-filled polypropylene composites [J]. Polym Compos, 1998,19:698～703. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%