树脂基体种类对三维中空夹芯织物复合材料力学性能影响的研究
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摘要
以不饱和树脂和环氧树脂为基体,与三维中空织物分别复合成中空夹芯织物复合材料,利用万能材料试验机分别对2种复合材料的拉伸、压缩和弯曲性能进行测试,研究了树脂种类对复合材料力学性能的影响规律。结果表明:不饱和树脂与固化剂质量比为100∶2,固化温度为70℃时,复合材料具有最佳的拉伸、弯曲和压缩性能。环氧树脂基复合材料的弯曲和压缩性能远优于不饱和树脂基复合材料,而拉伸性能则相差不大。
Unsaturated resin and epoxy resin were used as matrix to be combined with 3 Dhollow sandwich fabric into 3 Dhollow sandwich fabric composite materials respectively.The universal testing machine was used to test the tensile,bending and compressive properties of above composites.The influence of resin type on the mechanical properties of 3 Dcomposites was studied.The results showed that the unsaturated resin based 3 Dcomposites had the best tensile,bending and compressive properties when the ratio of unsaturated resin to curing agent was 100∶2 and the oven temperature was 70℃.The bending and compressive properties of composites were much larger than those of unsaturated resin-based composites,but the tensile properties were not big between these two.
Unsaturated resin and epoxy resin were used as matrix to be combined with 3 Dhollow sandwich fabric into 3 Dhollow sandwich fabric composite materials respectively.The universal testing machine was used to test the tensile,bending and compressive properties of above composites.The influence of resin type on the mechanical properties of 3 Dcomposites was studied.The results showed that the unsaturated resin based 3 Dcomposites had the best tensile,bending and compressive properties when the ratio of unsaturated resin to curing agent was 100∶2 and the oven temperature was 70℃.The bending and compressive properties of composites were much larger than those of unsaturated resin-based composites,but the tensile properties were not big between these two.
引文
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[3]Shyr T W,Pan Y H.Low velocity impact responses of hollow core sandwich laminate and inter ply hybrid laminate[J].Composite Structures,2004,64(2):189-198.
[4]Tien W S,Yu H P.Low velocity impact responses of hollow core sandwich laminate and inter ply hybrid laminate[J].Composite Structures,2004,64(2):189-198.
[5]曹海建,钱坤,魏取福,等.三维整体中空复合材料低速冲击性能[J].纺织学报,2009,30(10):70-74.
[6]匡宁,周光明,张立泉,等.整体夹芯中空复合材料的开发与应用[J].玻璃纤维,2007(5):15-20.
[7]周光明,王新峰.三维机织复合材料拉伸损伤研究[C].庆祝中国力学学会成立50周年暨中国力学学会学术大会2007论文摘要集(下),2007.
[8]Park S J,Park W B,Lee J R.Characterization of the impact properties of three-dimensional glass fabric-reinforced vinyl ester matrix composites[J].Journal of Materials Science,2000,35(24):6151-6154.
[9]Hosur M V,Abdullah M,Jeelani S.Manufacturing and lowvelocity impact characterization of hollow integrated core sandwich composites with hybrid face sheets[J].Composite Structures,2004,65(1):103-106.
[10]高爱君,李敏,王绍凯,等.三维间隔连体织物复合材料力学性能[J].复合材料学报,2008,25(2):87-93.
[11]沈浩清,曹海建,黄晓梅,等.三维间隔织物复合材料弯曲性能研究[J].产业用纺织品,2016,34(11):6-9.
[12]曹海建,钱坤,盛东晓,等.芯材高度对整体中空复合材料力学性能的影响[J].上海纺织科技,2010,38(9):54-57.
[13]匡宁,周光明,张立泉,等.三维中空复合材料力学性能研究[J].材料工程,2007,10(2):117-120.
[14]丁长明,张丽.玻璃纤维3D复合材料弯曲力学性能的研究[J].山东纺织科技,2008(3):7-9.
[15]杨国腾,王巍.复合材料弯曲性能测试的研究[C].2012航空试验测试技术学术交流会论文集,2012.
[16]钟崇岩,曹海建,李娟,等.组织结构对三维整体中空复合材料压缩性能的影响[J].材料导报,2012,26(20):279-281.
[17]张子龙.复合材料压缩试验方法有限元分析[J].航空材料学报,1996,16(4):40-44.
[18]贺崇武,蔡昕锁.复合材料压缩性能试验研究[C].复合材料:生命,环境与高技术-第十二届全国复合材料学术会议论文集,2002.