对不同密度和不同填充质量比的空心玻璃微珠填充聚氮酯泡沫塑料进行拉、压实验,研究了微珠对复合泡沫塑料力学性能的影响.实验结果表明:复合泡沫塑料拉伸曲线特征与普通泡沫塑料类似,但具有不同于普通泡沫塑料的压缩应力-应变特性;材料密度越大,微珠对胞体壁的增强效果越好;微珠团聚和界面粘结不良将可能导致材料力学性能的下降.根据有限元模拟结果和试件破坏形貌的观察探讨了材料的变形和破坏机制.
参考文献
| [1] | 卢子兴,复合泡沫塑料力学行为的研究综述[J].力学进展,2004,34(3):341-348.Lu Zixing.A review of studies on the mechanical behavior of syntactic foamed plastics[J].Advances in Mechanics,2004,34(3):341-348. |
| [2] | 姜鑫,杨振国,玻璃微珠表面改性方法及其对硬质聚氯酯泡沫性能的影响[J].复旦学报:自然科学版,2007,46(3):297-301.Jiang Xin,Yang Zhenguo.Method of modifying glass bead and its effect on the properties of rigid polyurethane foams[J].Journal of Fudan University:Natural Science,2007,46(3):297-301. |
| [3] | 刘元俊,冯永强,贺传兰,等,玻璃微珠增强硬质聚氨酯泡沫塑料的压缩性能及热稳定性[J].复合材料学报,2006,23(2):65-70.Liu Yuanjun,Feng Yongqiang,He Chuanlan,et al.Compressive properties and thermal stability of glass bead reinforced rigid polyurethane foams[J].Acta Materiae Compositae Sinica,2006,23(2):65-70. |
| [4] | 卢子兴,王嵩,李忠明,等,空心微珠填充聚氨酯复合泡沫塑料的宏、细观力学性能[J].航空学报,2006,27(5):799-804.Lu Zixing,Wang Song,Li Zhongming,et al.Macroscopic and microscopic mechanical properties of polyurethane syntactic foams filled with hollow mierospheres[J].Acta Aeronautica et Astronautica Sinica,2006,27(5):799-804. |
| [5] | Huang J S,Gibson L J.Elastic moduli of a composite of hollow spheres in a matrix[J].Journal of the Mechanics and Physics of Solids,1993,41(1):55-75. |
| [6] | Goods S H,Neuschwanger C L,Whinnery L L,et al.Mechanical properties of a partide-strengthened polyurethane foam[J].Journal of Applied Polymer Science,1999,74(11):2724-2736. |
| [7] | 严寒冰,用微分法及Mori-Tanaka法求解复合泡沫塑料的有效模壁[J].北京航空航天大学学报,2000,26(6):688-690.Yan Hanbing.Determination of the effective modulus of the syntactic foam containing hollow spheres by differential scheme and Mori-Tanaka method[J].Journal of Beijing University of Aeronautics and Astronautics,2000,26(6):688-690. |
| [8] | Mclaughln R.A study of the differential scheme for composite materials[J].International Journal of Engineering Science,1977,15(4):237-244. |
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%