摘要
本文采用正交试验设计的方法优化了Ar冷等离子体对Kevlar 49 S500织物的表面改性工艺。研究了Ar冷等离子体处理工艺的气压、功率和处理时间等参数对Kevlar 49 S500织物表面性质的影响,通过测定改性前后织物与环氧树脂复合的界面剪切强度,对处理效果进行评价。结果表明:工作气体压力的影响最显著,时间和功率的影响次之。最终获得了等离子体改性的最佳工艺条件70Pa、300W、2min,经该工艺处理后的Kevlar织物/环氧复合材料的层间剪切强度为40.8 MPa,较未处理的34.6 MPa提高了18%。
Orthogonal design method was used to optimize the process of surface modification of Kevlar 49 S500 fabric by Ar plasma for improving the interlaminar properties of Kevlar/epoxy composite. The effect of the processing parameters, such as the working gas pressure, the processing time and power on the surface properties of the Kevlar S500 fabric is studied. The interlaminar shear stress （ILSS） before and after plasma treatment was measured to evaluating the effect of surface modification. The result shows that the effect of the working gas pressure is the most significant and that of the processing time and power is taking the second place. The optimized Ar plasma treatment process was obtained, and under this process condition of 70Pa, 300W and 2min, the ILSS of the Kevlar/epoxy composite is 40.8MPa, improved by 18% than that of no modification.
出处
《纤维复合材料》
CAS
2008年第2期8-10,17,共4页
Fiber Composites
