应用复合材料细观力学理论和相应分析模型,预测了聚丙烯/聚苯乙烯(PP/PS)共混体系的弹性模量并进行相应的试验研究.系统研究了非相容PP/PS共混物的体积含量和共混时间对共混物形态和弹性模量的影响,分析了细观形态与宏观力学性能间的关系.对PP/PS共混物的拉伸实验结果表明:微观力学模型在模量预报上是可行的,其中Mori-Tanaka法更有效,因为与半经验模型(如Halpin-Tsai法和改进的混合模型)相比,它没有试验参数,在材料设计时具有更大的优越性.
参考文献
| [1] | Xie Z, Sheng J, Wan Z. Mechanical properties and morphology of polypropylene/ polystyrene blends [J]. J Macromol Sci Phys, 2001, B40(2):251-261. |
| [2] | Utracki L A, Shi Z H. Development of polymer blend morphology during compounding in a twin-screw extruder. Part Ⅰ: Droplet dispersion and coalescence-A review [J]. Polym Eng Sci, 1992, 32(24): 1824-1833. |
| [3] | Van Gheluwe P, Favis B D, Chalifoux J P. Morphological and mechanical properties of extruded polypropylene/nylon-6 blends [J]. J Mater Sci, 1988, 23(15): 3910-3920. |
| [4] | Willemse R C, Speijer A, Langeraar A E, Posthuma de Boer A. Tensile moduli of co-continuous polymer blends [J]. Polymer, 1999, 40(24): 6645-6650. |
| [5] | Sain M M, Hudec I, Beniska J, Posner P. Contribution to heterogeneity in elasto-plastic blends [J]. Mater Sci Eng, 1989, A108(1-2): 63-71. |
| [6] | Yue M Z, Chian K S. Mechanical properties and morphology of thermoplastic polyurethane elastomer with pol(vinylidene fluoride) blends [J]. J Appl Polym Sci, 1996, 60(4): 597-603. |
| [7] | Mondragon I, Nazabal J. Tensile properties of polyarylate-polycarbonate blends [J]. Polym Eng Sci, 1985, 25(3): 178-181. |
| [8] | Kunori T, Geil P H. Morphology-property relationships in polycarbonate-based blends. Ⅰ. Modulus [J]. J Macromol Sci Phys, 1980, B18(1): 93-134. |
| [9] | Kunori T, Geil P H. Morphology-property relationships in polycarbonate-based blends. Ⅱ. Tensile and impact strength [J]. J Macromol Sci Phys, 1980, B18(1): 135-175. |
| [10] | 吴林志,杜善义,石志飞.含夹杂复合材料宏观性能研究 [J]. 力学进展,1995, 25(3):410-423. |
| [11] | Jones R M. 朱颐龄译.复合材料力学 [M].上海:科学技术出版社,1981.53-89. |
| [12] | Mori T, Tanaka K. Average stress in matrix and average energy of materials with misfitting inclusions [J]. Act Metall, 1973, 21(3): 571-574. |
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%