BEARING STRENGTH OF AUTOCLAVE AND OVEN CURED KEVLAR EPOXY LAMINATES UNDER STATIC AND DYNAMIC LOADING

被引：10

作者：

AKAY, M ^{[1
]}

MUN, SKA ^{[1
]}

机构：

[1] SINGAPORE POLYTECH,DEPT CHEM PROC TECHNOL,SINGAPORE 0513,SINGAPORE

来源：

COMPOSITES | 1995年 / 26卷 / 06期

关键词：

BEARING STRENGTH; AUTOCLAVE AND OVEN CURED KEVLAR EPOXY LAMINATES; STATIC AND DYNAMIC LOADING;

D O I：

10.1016/0010-4361(95)90917-O

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

The pin bearing behaviour of woven Kevlar fibre-reinforced epoxy laminates, prepared by autoclave and oven curing methods, was examined under static and dynamic loading. Static bearing strength was determined as a function of bolt constraint and specimen geometry with particular attention to failure modes. The performance was very sensitive to lateral bolt tightening: a bolt with only a 'finger-tight' nut produced similar to 100% improvement in bearing strength, compared with the performance of a pin-loaded hole. Some specimens were hygrothermally conditioned and indicated a 10% deterioration in the bearing strength of the bolt-loaded hole. However, this was well below the magnitude of variation in strength which resulted under different methods of production. The fatigue endurance limit (N similar to 10(6)) at 1 Hz was only achievable at stress levels equivalent to 25% of the maximum static bearing strength.

引用

页码：451 / 456

页数：6

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