The stressfield in the composite fabric which made by needle punching during tensile test, and the difficulty of calculating the stress - strain property are analyzed from the fabric structure.
根据针刺复合织物结构,分析其在拉伸过程中的内部应力场,说明拉伸应力应变预测计算的困难。
2
The simulation results of stressfield show that it is tensile residual stress around the groove, and compressive residual stress with transition to plate edge.
应力场模拟结果显示,清根坡口附近为拉伸残余应力,向板边过渡为压缩残余应力。
3
The experimental results show that, under vibration force field, tensile strength, tensile stress at 100% and elongation at break of TPE can be enhanced, and hardness(shore A) of TPE can be improved.