采用四点弯加载方式研究含损伤的边缘封闭蜂窝夹层结构修理后的弯曲性能,同时分析损伤直径、损伤类型和修理设备对修理板弯曲性能的影响.结果表明:所有修理板的抗弯强度恢复率基本处于90%以上;热压罐固化比热补仪固化效果稍好;胶接质量好的前提下,损伤大小对修理效果没有影响,然而损伤越严重,对胶接质量的要求就越高;修理后结构中央的抗弯强度恢复率比结构边缘损伤的高.
参考文献
[1] | DUONG CONG N;WANG Chun-hui.Composite Repair Theory and Design[M].Amsterdam:Elsevier,2007 |
[2] | NIU Chun-yun.Composite Airframe Structures[M].California:AD Adaso/Adastra Engineering Center,1992 |
[3] | ARMSTRONG K B;BEVAN L G;COLE Ⅱ W F.Care and Repair of Advanced Composites[M].Warrendale:SAE international,2005:263-265. |
[4] | S. Belouettar;A. Abbadi;Z. Azari;R. Belouettar;P. Freres .Experimental Investigation Of Static And Fatigue Behaviour Of Composites Honeycomb Materials Using Four Point Bending Tests[J].Composite structures,2009(3):265-273. |
[5] | Li He;Yuan-Sheng Cheng;Jun Liu .Precise bending stress analysis of corrugated-core, honeycomb-core and X-core sandwich panels[J].Composite structures,2012(5):1656-1668. |
[6] | 张广成,赵景利.蜂窝夹层结构复合材料的力学性能研究[J].机械科学与技术,2003(02):280-282. |
[7] | PIPES R B;ADKINS D W;DEATON J .Strength and repair of bonded scarf joints for repair of composite materials[R].Washington:NASA,1982. |
[8] | JONES J S;GRAVES S R .Repair techniques for celion-LARC-160 graphite-polyimide composite structures[R].Washington:NASA,1984. |
[9] | KUMAR S B;SRIDHAR I;SIVASHANKER S I et al.Tensile failure of adhesively bonded CFRP composites scarf joints[J].Materials Science and Engineering:B,2006,132:113-120. |
[10] | Kumar SB;Sivashanker S;Bag A;Sridhar I .Failure of aerospace composite scarf-joints subjected to uniaxial compression[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2005(1/2):117-122. |
[11] | TOMBLIN J S;SALAH L;WELCH J M .Bonded repair of aircraft composite sandwich structures[R].Wichita:National Institute for Aviation Research,2004. |
[12] | TOMBLIN J S;LACY T;SMITH B et al.Review of damage tolerance for composite sandwich airframe structures[R].Wichita:National Institute for Aviation Research,1999. |
[13] | 汪海,陈秀华,郭杏林,任明法.复合材料蜂窝夹芯结构修理后强度研究[J].航空学报,2001(03):270-273. |
[14] | 航空航天工业部科学技术研究院.复合材料设计手册[M].北京:航空工业出版社,1990:224-225. |
[15] | 方海,刘伟庆,陆伟东,万里.泡桐木夹层结构材料的力学性能[J].南京工业大学学报(自然科学版),2011(05):7-12. |
[16] | Ziad K. Awad;Thiru Aravinthan;Yan Zhuge .Experimental and numerical analysis of an innovative GFRP sandwich floor panel under point load[J].Engineering structures,2012(Aug.):126-135. |
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