本文对缝纫泡沫夹层复合材料进行了理论分析和三点弯曲实验研究.讨论了缝纫夹芯剪切模量的计算方法和计算公式.实验表明缝纫提高了泡沫夹层板三点弯曲破坏载荷.针对实验结果研究了材料性能和试件几何的关系,给出了缝纫泡沫夹层板破坏模式的判别公式并基于经典夹层梁理论建立了初始破坏载荷预估方法,预估值和实验值符合较好.
参考文献
| [1] | Adams D O;Stanley L E .Development and Evaluation of Stitched Sandwich Panels[R].NASA CR-211025,2001. |
| [2] | 桂良进,范子杰,陈宗渝,郦正能.缝纫层合板的本构关系研究（I）--缝纫单层板有效弹性常数分析[J].复合材料学报,2002(01):95-100. |
| [3] | Dow M B;Dexter H B .Development of Stitched,Braided and Woven Composite Structures in the ACT Program and at Langley Research Center(1985 to 1997)[R].NASA TP-206234,1997. |
| [4] | Karal M .AST Composite Wing Program-Executive Summary[R].NASA CR-210650,2001. |
| [5] | EDWARD H. PHILLIPS .Composite Wing Box Tested to Failure[J].Aviation week & space technology,2000(25):37-0. |
| [6] | Mori T;Tanaka K .Average Stress in Matrix and Average Energy of Materials with Misfitting Inclusions[J].Acta Metallurgica,1973,21:571-574. |
| [7] | EshelbyJ D .The Determination of the Elastic Field of an Ellipsoidal Inclusion and Related Problems[J].Proceedings of the Royal Society of London Series A,1957,240:367-396. |
| [8] | 杜善义;王彪.复合材料细观力学[M].北京:科学出版社,1998 |
| [9] | Gibson L J;Ashby M F.Cellular Solids:Structure and Properties[M].Cambridge University Press,U.K,1997 |
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