The relation between AE signals and the failure process, in which FWC is from the matrix cracks, delaminations and fiber breaks to the bursts with the increase of water pressure, is analyzed.

• 分析了纤维缠绕壳体随著水压的增加从基体开裂、层间分层及纤维断裂到最终破坏的过程与声发射信号的关系；