工艺与制造英文2022被引 16
自动铺纤过程中不同预浸料层间粘性的分析与表征
Analysis and characterization of interlaminar tack for different prepreg materials during automated fiber placement
Helin Pan, Weiwei Qu, Di Yang, An Li, An Li · Zhejiang University
摘要整理
预浸料粘性在自动铺纤（AFP）工艺中对制件质量起决定性作用。本研究旨在探究工艺参数对两种预浸料之间粘性的影响，并找到最优参数组合以获得高粘性。同时，利用表面特征评估粘性的决定机制。首先，基于理论模型建立了预浸料层间粘性的剪切测试方法。其次，通过单因素法研究了铺纤速度、压实力和材料温度等工艺参数对粘性的影响。结果表明，工艺参数对两种预浸料体系的粘性影响差异显著，EH918预浸料的粘性力远低于M21C预浸料，这是因为EH918预浸料表面树脂层厚度更薄，甚至不均匀。最后，采用响应面法研究工艺参数间的相互作用，找到了不同预浸料材料的最优参数组合。研究表明，不同预浸料材料呈现出不同的最优粘性参数组合。这些结果对于通过调控工艺参数来满足特定制造需求、控制预浸料粘性具有重要指导意义。
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