先进复合材料国防科技重点实验室在拥有自主知识产权的"离位"增韧新概念基础上,成功开发了兼具优异工艺性和高抗冲击损伤性的航空级"离位"增韧的热压罐固化复合材料体系和液态成型(RTM及RFI等)复合材料体系.这些增韧的材料体系包括高性能的环氧树脂体系和双马来酰亚胺体系的复合材料.经试验验证,"离位"增韧可在显著提高复合材料层问韧性、冲击损伤阻抗和容限的同时,保持材料原有优异的成型工艺性和湿热性能.
Research and development at LAC/BIAM has focused on polymer matrix composite system possessing excellent damage resistance and processing ease for aerospace industry.The goal has been achieved by development of an innovative toughening technology platform,so-called Ex-situ concept,both for prepreg-autoclave and liquid molding technique like RTM and RFI.High-performance epoxy and bismaleimide matrix composites have been developed by using the LAC/BIAM's proprietary concept.Processing conditions and mechanical properties of the trial products have been demonstrated.Particularly the interlaminar toughness and impact damage resistance and tolerance have been significantly improved,with balanced in-plane properties even at hot/wet conditions and excellent processabilities.
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