真空灌注层叠复合材料的制备及其力学性能研究

Study on Preparation and Mechanical Properties of Layered Composite Materials with Vacuum Infusion

采用真空灌注装置制备了多种层叠复合材料,讨论了不同树脂含量、不同种类增强材料对层叠复合材料成型工艺的影响,并测试了不同种类层叠复合材料的力学性能。试验结果表明:碳纤、玻纤、芳纶增强复合材料的真空灌注成型优良,高强聚乙烯UD布利用模压工艺可以改善成型质量;不同增强材料混叠的复合材料力学性能优于单一增强材料层叠的复合材料,碳纤、玻纤增强复合材料拉伸呈脆性断裂,芳纶、高强聚乙烯UD布增强复合材料拉伸呈韧性断裂。

This study prepares multiple layered composite materials with vacuum infusion device,discusses the influence of different kinds of reinforcing materials with different resin content on molding process of layered composite materials and tests mechanical property of different kinds of layered composite materials.The test result shows that vacuum infusion molding of reinforced composite of carbon fiber,glass fiber and aramid fiber is good and molding process for highGstrength polyethylene UD cloth can improve molding quality. Composites of different mixed reinforced materials have better mechanical property than composites of single reinforced material.Reinforced composite materials of carbon fiber and glass fiber have brittle fracture of tension and reinforced composite materials of aramid fiber and highGstrength polyethylene UD cloth have ductile fracture of tension.