Sandwich structure roller peel strength test

Structural sandwich is a composite structure of plate and shell structure. Its two surfaces are made of very thin plates, with a lighter sandwich layer sandwiched in the middle. The former is called the dashboard and requires high strength; the latter is called the sandwich and requires light weight. General structural interlayers are used for wings, tails, fuselages, rocket bodies, arrowheads, speed brakes, engine nacelles, sound insulation devices, fire partitions, etc.
Roller peel strength refers to the anti-peeling moment per unit width when the panel is separated from the core. The sandwich structure material roller peel strength test can determine the peel strength of the flexible panel sandwich structure.
Zhongke Testing Reliability Experiment Center has reliability testing capabilities for various sandwich structures and provides professional roller peel strength testing services for sandwich structures.

sandwich structure dashboard include aluminum alloy, stainless steel, titanium alloy and various composite materials.
Sandwich materials include lightweight wood, foam plastic, etc. Metal materials or composite materials can also be used to make corrugated board sandwich or honeycomb sandwich (see honeycomb structure).

The peel strength of the panel-to-core connection was determined by peeling the panels from the sandwich structure using a flanged cylinder.
One end of the peeled panel is connected to the cylinder, and the other end is connected to the upper clamp. The flange is connected to the lower clamp through a loading steel belt. A static tensile load is applied at a constant speed along the axial direction of the sample. A moment difference is generated between the flange and the roller body, thereby peeling the panel away from the sandwich structure.

GB/T 1457-2022 Sandwich structure roller peel strength test method
GB/T1446 General principles for performance test methods of fiber reinforced plastics
GB/T 3961 Fiber reinforced plastic terminology