一种复合材料蜂窝夹层结构边缘灌封方法
By reserving structural allowance at the potting end of the composite honeycomb sandwich structure test piece and forming a groove for injecting adhesive for curing, the problems of low operating efficiency and warping in the prior art are solved, achieving a highly efficient and uniform potting effect and ensuring the accuracy and reliability of mechanical property testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- COMMERCIAL AIRCRAFT CORP OF CHINA LTD
- Filing Date
- 2025-10-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing techniques for end-filling of composite honeycomb sandwich structure test specimens are characterized by low operational efficiency, easy generation of pores, large stiffness differences, and end warping after curing, which affects the accuracy and reliability of mechanical testing.
Structural allowances are reserved on both sides of the potting end of the test piece. The layers are laid in a predetermined order and cured as a whole to form a short structural beam support. After removing the honeycomb core material, a groove is formed, potting adhesive is injected and cured, and finally the structural allowances are removed to achieve the standard dimensions.
It improves potting quality and operational efficiency, avoids end warping, ensures uniform stiffness, and enhances the accuracy and repeatability of mechanical property testing.
Smart Images
Figure CN121062247B_ABST
Abstract
Citation Information
Patent Citations
Method for preventing buckling deformation and slippage of honeycomb core curing
CN110561780A
Precise control method for molded surface of pouring area of honeycomb sandwich composite material part
CN113942254A