REPAIR EFFICIENCY IN FATIGUE-CRACKED ALUMINUM COMPONENTS REINFORCED WITH BORON EPOXY PATCHES

被引：85

作者：

BAKER, AA

机构：

[1] DSTO, Aeronautical Research Laboratory, Melbourne

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1993年 / 16卷 / 07期

关键词：

D O I：

10.1111/j.1460-2695.1993.tb00117.x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper describes studies on fatigue crack propagation in cracked aluminium alloy (2024 T3) panels repaired with boron/epoxy patches, adhesively bonded with either an epoxy-nitrile film adhesive or an acrylic adhesive. Studies were undertaken to assess the effect on patching efficiency of (a) disbonding of the patch system and (b) test temperature. A simple model is proposed for estimating the reduction of patching efficiency due to cyclic disbonding of the reinforcement. In the elevated-temperature tests it was found, unexpectedly, that patching efficiency in panels patched using the film adhesive was unaffected by temperatures up to 100-degrees-C.

引用

页码：753 / 765

页数：13

共 9 条

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