THE SEQUENCE OF INITIATION OF THE TOUGHENING MICROMECHANISMS IN RUBBER-MODIFIED EPOXY POLYMERS

被引：39

作者：

HUANG, Y ^{[1
]}

KINLOCH, AJ ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT MECH ENGN,EXHIBIT RD,LONDON SW7 2BX,ENGLAND

来源：

POLYMER | 1992年 / 33卷 / 24期

关键词：

TOUGHENING; EPOXY POLYMERS; POISSON RATIO;

D O I：

10.1016/0032-3861(92)90823-F

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Numerical finite element analyses have shown how the sequence of initiation between the two main mechanisms of toughening observed in rubber-toughened epoxy polymers is strongly dependent upon the properties of the rubbery particle and, in particular, the value of Poisson's ratio. A high Poisson's ratio of the dispersed second phase favours the initiation of internal cavitation before localized shear yielding of the epoxy matrix.

引用

页码：5338 / 5340

页数：3

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