【摘要】 本文应用相移云纹干涉法与盲孔法相结合检测纤维增强复合材料的残余应力。盲孔法是工程中被广泛应用的测定残余应力的方法之一,相移云纹干涉方法可得到孔边任意一点的位移信息。由于正交各向异性复合材料在弹性主方向不发生拉剪(或剪拉)耦合效应,所以通过适当读取孔边特殊点的位移,可方便地得到残余应力值。更多还原

【Abstract】 Phase-shift moiré interference method and blind hole method were used to measure the residual stress of composite materials.Blind hole method is a common method which is widely applied in the project to measuring residual stresses.Union with phase-shift moiré interference method may obtain displacement information of any points around the hole,because the orthotropic materials does not occur pull-cut effect in the elastic principal direction, if some displacements of specific points are read,the residual stress value can calculated conveniently.更多还原