Shear strength of epoxypolysulfone glass-reinforced plastics in a wide range of loading rates

被引：0
|
作者：
Gorbatkina Yu.A. [1 ]
Solodilov V.I. [1 ]
Kuperman A.M. [1 ]
Pavlovskii D.V. [1 ]
Shustov M.V. [2 ]
机构：
[1] N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991
[2] D. I. Mendeleev Russian Chemical-Technological University, Moscow, 125190
来源：
Journal of Engineering Physics and Thermophysics | 2005年 / 78卷 / 5期
关键词：
Statistical Physic; Epoxy; Shear Strength; Fracture Mechanism; Transport Phenomenon;
D O I：
10.1007/s10891-006-0008-2
中图分类号：
学科分类号：
摘要：
The shear strength of unidirectional epoxypolysulfone glass-reinforced plastics in the range of six decimal orders of loading rates has been measured. ED-22 epoxydiane resin (analog of DGEBA) modified by PSK-1 aromatic polysulfone served as a matrix. It has been shown that the strength values linearly increase with increasing logarithm of the loading rate; the sensitivity of composites to the rate of application of a force increases with increasing quantity of PSK-1 introduced into the matrix, and the fracture mechanism of composites is the thermofluctuation one. The laws revealed do not differ from those established by us earlier for glass-reinforced plastics based on epoxy binders modified by active diluents. © 2005 Springer Science+Business Media, Inc.
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页码：885 / 891
页数：6
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