Composite material interlayer co-curing structure pull-off test piece

The utility model discloses a composite material interlayer co-curing structure pull-off test piece. The test piece is characterized in that the test piece adopts a T-shaped structure form, and a co-curing molding process is adopted in an examination area of the test piece; carrying out structural reinforcement on the clamping end; carrying out glue filling reinforcement on the honeycomb area, andadding paving layers on the upper panel area and the lower panel area for reinforcement; a proper length is reserved for the transition section, the structure is gradually enhanced, and sudden changeof rigidity of the assessment area and the clamping end is avoided. The pulling-out device is simple in structure and simple in test operation, a pulling-out test is completed on a common tensile testing machine through connection of the simple clamp and a test piece, the pulling-out performance of the sandwich structure co-curing forming process is obtained, and a design basis is provided for airplane structure design. 一