Properties of rigid polyurethane foams filled with glass microspheres

被引：22
|
作者：
Yakushin, V. [1 ]
Bel'kova, L. [1 ]
Sevastyanova, I. [1 ]
机构：
[1] Latvian State Inst Wood Chem, LV-1006 Riga, Latvia
来源：
MECHANICS OF COMPOSITE MATERIALS | 2012年 / 48卷 / 05期
关键词：
rigid polyurethane foams; glass microspheres; mechanical properties; HOLLOW MICROSPHERES; PHYSICAL-PROPERTIES; FAILURE MECHANISMS; SYNTACTIC FOAMS;
D O I：
10.1007/s11029-012-9302-6
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The effect of hollow glass microspheres with a density of 125 kg/m(3) on the properties of low-density (54-90 kg/m(3)) rigid polyurethane foams is investigated. The thermal expansion coefficient of the foams and their properties in tension and compression in relation to the content of the microspheres (0.5-5 wt.%) are determined. An increase in the characteristics of the material in compression in the foam rise direction with increasing content of filler is revealed. The limiting content of the microspheres above which the mechanical characteristics of the filled foams begin to decrease is found. The distribution of the microspheres in elements of the cellular structure of the polyurethane foams is examined.
引用
收藏
页码：579 / 586
页数：8
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