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首页> 外文期刊>International Journal of Machining and Machinability of Materials >Experimental and analytical study of the influence of HexFit glass fibre composite manufacturing process on delamination during drilling
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Experimental and analytical study of the influence of HexFit glass fibre composite manufacturing process on delamination during drilling

机译：HexFit玻璃纤维复合材料制造工艺对钻孔分层的影响的实验和分析研究

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摘要

Experimental and analytical studies were carried out regarding delamination at the hole exit during the drilling of composite structures made of a recent semi-preg called HexFIT developed by Hexcel composites for resin film infusion (RFI). The plates studied were manufactured in autoclave and in oven. The experimental analysis showed that delamination at the hole exit is influenced by the machining parameters on the one hand and by the composite plate manufacturing process on the other. Following this, empirical models were developed to predict this delamination for each type of manufacturing process and according to the machining parameters. These models gave satisfactory results compared to the experimental values. The maximum relative variation obtained between the values given by the models and those measured by experiments was about 9%. From these empirical models, the critical machining parameters were determined in order to avoid delamination at the hole exit. Critical machining parameters were experimentally tested and their evaluation has shown acceptable results.
机译：针对由Hexcel Composites开发的用于树脂薄膜灌注（RFI）的新型半预浸料HexFIT制成的复合结构的钻孔过程中，对孔出口处的分层进行了实验和分析研究。所研究的板在高压釜和烘箱中制造。实验分析表明，孔出口处的分层一方面受加工参数的影响，另一方面受复合板制造工艺的影响。在此之后，建立了经验模型来预测每种制造工艺类型以及根据加工参数的分层。与实验值相比，这些模型给出了令人满意的结果。在模型给出的值与实验测量的值之间获得的最大相对变化约为9％。根据这些经验模型，确定了关键加工参数，以避免在孔出口处分层。对关键加工参数进行了实验测试，其评估结果令人满意。

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