纤维增强复合材料螺接接头挤压强度的估算方法

一些研究者采用比较简单有效的工程方法来估算纤维增强复合材料螺接接头的强度,但是这些方法均未考虑由于螺栓拧紧后对螺栓强度的影响。本文在对试验结果观察分析的基础上提出一种单孔螺接接头的临界挤压强度的估算方法,考虑了螺栓拧紧的效应。计算结果与碳/环氧迭层试验结果有较好的一致性。

An Estimation Method of Bearing Strength of Bolted Joints in Fibre Reinforced Composite

Some researchers have estimated the strength of bolted joints in fibre reinforced composite, using simple and efficient engineering procedures. However, for these procedures the effect of clamping due to the strength of bolted joints is not considered. In this paper, a method is presented for predicating critical bearing strength of single-hole bolted joints in composite on the basis of observing and analysing the results of experiments. The clamping effect of bolts is considered. The calculated results correspond to the test data on Glaphic/Epoxy laminates.