整体化复合材料结构残余应力实验研究

通过钻孔法测试了T型整体化复合材料结构件在不同固化工艺方案下的残余应力,并研究了多墙类加筋壁板的腹板和蒙皮的残余应力分布,以及不同钻孔深度对结构件内部残余应力测试结果的影响。研究结果表明:共固化方式下产生的残余应力要小于胶结共固化方式下的残余应力。

Experimental Study of the Residual Stress of Integrated Composite Structure

Using hole-drilling method, the residual stress of T-type integrated composite structures manufactured by different solidifying technics was measured, and the residual stress distribution for web and skin of multi-wall panel-stiffener structure was also studied. Then, the relationship between the drilling depth and the tested data of structure was studied. Results show that the residual stress in structure manufactured by co-cure method is smaller than that in structure manufactured by co-bonding methods.