Effects of mesostructure on crack growth control characteristics in z-pinned laminates

被引：5

作者：

Cartié, DDR ^{[1
]}

Brunner, AJ ^{[1
]}

Partridge, IK ^{[1
]}

机构：

[1] Cranfield Univ, SIMS, Adv Mat Dept, Cranfield MK43 0AL, Beds, England

来源：

FRACTURE OF POLYMERS, COMPOSITES AND ADHESIVES II | 2003年 / 32卷

关键词：

D O I：

10.1016/S1566-1369(03)80120-6

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Standard Mode I Double Cantilever Beam specimens for delamination testing of a unidirectional (UD) IM7/977-2 composite were Z-pinned with two separate blocks of Z-Fiber(R) reinforcement. The reinforced beam configuration was such as to provoke an unstable delamination, propagating between the two Z-pin blocks. Crack resistance curves for these specific geometry specimens of IM7/977-2 indicate that the unstable delamination cracks are arrested by the second Z-pin block, with the crack propagation resistance being dictated primarily by the Z-pinning density within a block. Acoustic emission analysis is used to interpret visual observations and other test data.

引用

页码：503 / 514

页数：12