| METALS AND METAL MATRIX COMPOSITES |
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| Mechanical Properties of Glued and Brazed Aluminum Honeycomb Panel |
| WANG Wenquan1, WANG Suyu1, XU Yuxin1, ZHANG Xinge1,*, BI Yingchao1, SHI Lei2
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1 School of Materials Science and Engineering,Jilin University,Changchun 130025,China
2 Zhejiang Asia General Soldering & Brazing Material Co., Ltd.,Hangzhou 310030,China |
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Abstract Honeycomb panel is a kind of bionic composite material originated from natural honeycomb nests. As an excellent light-weight and high-strength structure, aluminum honeycomb panel has been widely used in transportation and aerospace applications,such as bulkheads, wings and satellite fairings, etc. Aluminum honeycomb panels consist of aluminum alloy skins and honeycomb core, which are bonded together to form sandwich structures, and the efficient bonding technique has become key issue. The glued aluminum honeycomb panel is prone to failure of the glued surface during engineering operation, resulting in defects such as hollowing and bagging, and mechanical properties of the honeycomb panel are limited to the performance of the adhesive. Adopting brazed aluminum honeycomb panels instead of glued aluminum honeycomb is a way to better play the superiority of honeycomb structure. This study compared the mechanical properties of axial compression, shear and roller peeling as well as the failure modes of glued and brazed aluminum honeycomb panel specimens at the same size. This research can provide a theoretical guidance for the bonding technique and failure analysis of aluminum honeycomb composite structures under different working conditions.
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Published:
Online: 2022-12-09
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| Fund:Project of Jilin Province Science and Technology Development Plan(20200401034GX), and Project of Jilin Province Development and Reform Commission Industrial Technology Research and Development Special(2020C029-1). |
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2022, Vol. 36 
