BMI树脂RTM成型工艺性及其编织复合材料性能研究.PDF

52 / 2004 9 BMI RTM Study on Performance of RT M Process and Braided Composites of Bismaleimide Resin , , , ( , 100095) L Xiao-gang, L Hong-yun, HU H ong-jun, Y Xiao-su ( Nat ional Key Laborat ory of Advanced Composites, Beijing nstitute of Aeronaut ical M at erials, Beijing 100095, China) : : BM 130~ 150e , , , RT M , , : ; ; : T B332 : A : 100 1-4381( 2004) 09- 0052- 05 Abstract: T he performance of RT M process and 2D braided com posit es of bismaleimide resin was stud- ied. t is found t hat not only t here is a low viscosity but also t his low viscosity can be ret ained in a long time, the performance of RT M process of bismaleimide resin is very ex cellent. n addition, the mechanical propert ies of BM matrix 2D braided composites are diff erent in different direct ions. T he m ax imum value w ill appear about on t he braided angle. Analysis show s that tradit ional tests is not very appropriat e t o e- valuat e mechanical propert ies of 2D braided composite. Key words: bismaleimide; resin transf er molding t echnology; 2D braided composite , , , , , , , 70% , [ 1] [ 6] , , RT M , , , ) ) ) , [ 2, 3] BM RT M , , , , , BM