对纤维-金属混合夹层梁(FMS)进行试验,该结构自上而下主要由无碱玻璃纤维、带齿钉金属板、泡桐木、带齿钉金属板、无碱玻璃纤维组成,其中金属板与泡桐木之间采用齿钉相连,金属板与无碱玻璃纤维之间采用不饱和聚酯树脂粘结.通过四点弯曲试验,得到了纤维-金属混合夹层梁(FMS)在不同跨高比下的弯曲性能和破坏模式,并与纤维增强夹层梁(FSS)进行对比,同时根据不同的破坏模式采用不同的理论公式对FMS试件承载力进行验证,结果表明,在跨高比为10、12、16、20、24时,FMS的极限承载力及抗弯刚度均得到了提高,理论求得的承载力值与试验值吻合较好.
参考文献
| [1] | Zhang, J.;Qin, Q.;Wang, T.J..Compressive strengths and dynamic response of corrugated metal sandwich plates with unfilled and foam-filled sinusoidal plate cores[J].Acta Mechanica,20134(4):759-775. |
| [2] | Zhengjin Wang;Qinghua Qin;Jianxun Zhang;T.J. Wang.Low-velocity impact response of geometrically asymmetric slender sandwich beams with metal foam core[J].Composite structures,2013Apr.(Apr.):1-14. |
| [3] | LU TianJian;LIU Tao;DENG ZiChen.Thermoelastic properties of sandwich materials with pin-reinforced foam cores[J].中国科学E辑（英文版）,2008(12):2059-2074. |
| [4] | Shi-Dong Pan;Lin-Zhi Wu;Yu-Guo Sun;Zheng-Gong Zhou.Fracture test for double cantilever beam of honeycomb sandwich panels[J].Materials Letters,20083(3):523-526. |
| [5] | Shujuan Hou;Lili Ren;Duo Dong.Crashworthiness optimization design of honeycomb sandwich panel based on factor screening[J].Journal of Sandwich Structures and Materials,20126(6):655-678. |
| [6] | A.G. Mamalis;K.N. Spentzas;N.G. Pantelelis;D.E. Manolakos;M.B. Ioannidis.A new hybrid concept for sandwich structures[J].Composite structures,20084(4):335-340. |
| [7] | 方海;刘伟庆;万里.点阵增强型复合材料夹层结构的力学性能实验与分析[J].实验力学,2010(5):522-528. |
| [8] | 万里;刘伟庆;周叮;方海.齿槽增强泡桐木夹层结构界面性能试验[J].南京工业大学学报（自然科学版）,2010(5):1-5. |
| [9] | Kapil Mohan;Yip Tick Hon;Sridhar Idapalapati;Hong Pheow Seow.Failure of sandwich beams consisting of alumina face sheet and aluminum foam core in bending[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20051/2(1/2):292-301. |
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