In-plane Bearing Mechanism and Performance Analysis of Honeycomb Paperboard Based on Grey Relation Entropy Theory
MOU Xinni1,2, LU Lixin1,3, LI Guohui4
1 School of Mechanical Engineering, Jiangnan University, Wuxi 214122 2 School of Packaging and Printing Engineering, Tianjin Vocational Institute, Tianjin 300410 3 Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Wuxi 214122 4 School of Electronic Information Engineering, Tianjin Vocational Institute, Tianjin 300410
Abstract: The in-plane bearing mechanism of honeycomb paperboard is complex. The research on its bearing mechanism and characteristics will provide an important technical basis for the optimization design and engineering application of honeycomb paperboard. Based on the in-plane bearing tests of honeycomb paperboard with different material and structure parameters, the in-plane bearing mechanism of honeycomb paperboard was preliminarily analyzed in this work. The influencing factors of in-plane bearing capacity of honeycomb paperboard were evaluated based on the grey relation entropy theory, the primary-secondary relationship and the influence degree of the face paper property, honeycomb core and paperboard thickness were obtained. The results show that the buckling of the core layer and the face layer presents different regularity in the machine and cross direction loads. The factors of face paper property and paperboard thickness have great influence on the elastic modulus of honeycomb paperboard, and the factors of face paper property, core size and paperboard thickness have significant influence on the platform stress. Grey relation entropy theory is suitable for small sample analysis, such as honeycomb materials. The grey relation entropy value is the largest on platform stress under the influence of face paper performance, so face paper property is the most important factor on affecting the in-plane platform stress of honeycomb paperboard.
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2019, Vol. 33 
