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Experimental characterization of the inter-ply shear behavior of dry and prepreg woven fabrics: Significance of mixed lubrication mode during thermoset composites processing
Composites Part A: Applied Science and Manufacturing ( IF 8.7 ) Pub Date : 2019-12-10 , DOI: 10.1016/j.compositesa.2019.105725
A. Rashidi , H. Montazerian , K. Yesilcimen , A.S. Milani

A custom-built test device was developed to measure the inter-ply shear resistance of dry carbon woven fabrics as well as prepregs at different temperatures, consolidation pressures, and forming rates typical to those used in autoclave processing. A quantitative understanding of the nature of the shear forces encountered during fabric consolidation was established, suggesting the strong dependence of these forces on the process conditions along with the dominance of a mixed lubrication regime. Among the most influential state variables, the resin viscosity and distribution of the resin on the prepreg surface, as well as the surface roughness of the reinforcing fibers could be identified.



中文翻译:

干燥和预浸料织物的层间剪切性能的实验表征:热固性复合材料加工过程中混合润滑方式的意义

开发了定制的测试设备,以测量干碳机织织物以及预浸料在不同温度,固结压力和成型压力下的层间耐剪切性,这在高压釜处理中通常使用。建立了对织物固结过程中遇到的剪切力的性质的定量理解,表明这些力对工艺条件的强烈依赖性以及混合润滑方式的优势。在最有影响力的状态变量中,可以确定树脂在预浸料坯表面上的粘度和分布以及增强纤维的表面粗糙度。

更新日期:2019-12-11
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