To realize the explosive separation of carbon-fiber-reinforced composites under a linear-shaped charge, the failure mode of the materials under a linear-shaped charge jet was obtained by combining numerical simulation with experiment. Results show that under the action of the shaped charge jet, the three main failure modes of composite materials are shear failure, delamination failure and tensile failure. Moreover, there are different failure modes of composite materials with different thicknesses. In the early stage of cutting, local fiber peeling occurs on the surface of laminates with different thicknesses under the action of initial jet and stress wave. The thin laminate is sheared directly under the energy of the high-speed jet while the thick laminate first suffers shear failure under the action of the jet. After the end of the jet action, tensile failure occurs under the action of stress wave and, at the same time, spalling occurs along the thickness direction.

为实现碳纤维增强复合材料线形装药作用下的爆炸分离，通过数值模拟与实验相结合，得到了材料在线形装药射流作用下的破坏模式。结果表明，在聚能射流作用下，复合材料的三种主要破坏模式为剪切破坏、分层破坏和拉伸破坏。此外，不同厚度的复合材料存在不同的失效模式。在切割初期，在初始射流和应力波的作用下，不同厚度的层压板表面会发生局部纤维剥离。薄层板在高速射流的能量下直接剪切，而厚层板在射流的作用下首先发生剪切破坏。喷射动作结束后，