通过宏观拉压试验,研究了三维正交编织碳/环氧复合材料的拉伸和压缩力学性能。对试验过程进行了声发射分析,对断口进行了扫描电镜观察分析,给出了该类材料的拉伸和压缩破坏机制。结果表明：三维正交编织碳/环氧复合材料有良好的拉伸和压缩力学性能;三维正交编织复合材料在拉伸和压缩载荷作用下的断裂均为脆性断裂,拉伸试验的主要破坏现象是纤维断裂拔出,而压缩试验则是纤维剪切破坏;通过声发射参数分析可以基本判定该类材料损伤过程中的损伤类型。
The tensile and compressive properties of the 3D orthogonal woven carbon/epoxy composites were studied through the macro tensile and compression test,and acoustic emission（AE） analysis and SEM analysis of the fracture surface of the specimens were adopted in order to realize the failure mechanism of tensile and compression deeply.The results show that 3D orthogonal woven carbon/epoxy composites have superior mechanical performances about the tensile and compression.The damage of both tensile and compression is brittle fracture,and the main damage phenomenon of tensile is the broken and pull-out of the fiber,however,shear destruction of the fiber is the main factor of compression damage.Through the acoustic emission parameter analysis,the types of damage can be determined in the process of destruction.
参考文献
| [1] | Mouritz A P, Bannister M K, Falzon P J, et al. Review of applications for advanced three-dimensional fiber textile composites [J]. Composites Part A: Applied Science and Manufacturing, 1999, 30(12): 1445-1461. |
| [2] | 卢子兴, 冯志海, 寇长河, 等. 编织复合材料拉伸力学性能的研究 [J]. 复合材料学报, 1999, 16(3): 129-134. |
| [3] | 孙慧玉, 吴长春. 纺织结构复合材料力学性能的实验研究 [J]. 实验力学, 1997, 12(3): 35-341. |
| [4] | Sun H Y, Qiao X. Prediction of the mechanical properties of three-dimensionally braided composites [J]. Composites Science and Technology, 1997, 57: 623-629. |
| [5] | Ma C L, Yang J M, Chou T W. Elastic stiffness of three-dimensional braided textile structural composites / /Composite Materials: Testing and Designing (Seventh Conference). Philadelphia: ASTM STP, 1986: 404-421. |
| [6] | 庞宝君, 杜善义, 韩杰才, 等. 三维四向编织碳/环氧复合材料实验研究 [J]. 复合材料学报, 1999, 16(4): 136-141. |
| [7] | 严 实, 吴林志, 孙雨果. 三维四向编织复合材料压缩力学性能试验研究 [J]. 材料工程, 2007(3): 59-63. |
| [8] | Wu D L. Three-cell model and 5D braided structural composites [J]. Composites Science and Technology, 1996, 56(3): 225-233. |
| [9] | 徐 焜, 许希武, 汪 海, 等. 三维六向编织复合材料力学性能的实验研究 [J]. 复合材料学报, 2005, 22(6): 144-149. |
| [10] | 李兆霞. 损伤力学及其应用 [M]. 北京: 科学出版社, 2002. |
| [11] | Zeng Tao, Wu Linzhi, Guo Licheng. A damge model for 3D braided composites with transverse cracking [J]. Composite Structures, 2003, 62(2): 163-170. |
| [12] | 姜东华, 李曼静, 王承芳. 三向增强碳-碳复合材料拉伸断裂特性的研究 [J]. 硅酸盐学报, 1987, 15(4): 356-363. |
| [13] | 唐国翌, 闫允杰, 陈锡花, 等. 多向编织碳纤维复合材料的断裂及微观形貌 [J]. 清华大学学报: 自然科学版, 1999, 39(10): 4-7. |
| [14] | 郑 洁, 姚磊江, 程起有, 等. 复合材料损伤的声发射试验研究 [J]. 机械科学与技术, 2010, 29(11): 1478-1481. |
| [15] | Tatro C A, Liptai R G. Acoustic emission from crystalline substances / /Proceedings of the 3rd Symposium on Physics and Non-destrouctive Testing. San Antonio, Texas: Southwest Research Institute, 1962: 145-158. |
| [16] | 王 波, 矫桂琼, 陶 亮, 潘文革. 三维编织复合材料拉压性能的实验研究 [J]. 实验力学, 2002, 17(3): 302-306. |
| [17] | Barre S, Benzeggagh M L. On the use of acoustic emission to investigate damage mechanisms in glass-fiber-reinforced polypropylene [J]. Composites Science and Technology, 1994, 52: 369-76. |
| [18] | 万振凯. 三维编织复合材料拉伸与弯曲声发射特征分析 [J]. 纺织学报, 2007, 28(4): 52-56. |
| [19] | Masters J E, Portanova M A. Standard test methods for textile composites, NASA CR 4751. USA: NASA, 1996. |
| [20] | 中华人民共和国国家质量监督检验检总局. GB/T 1446-2005 纤维增强塑料性能试验方法总则 [S]. 北京: 中国标准出版社, 2005. |
| [21] | 中华人民共和国国家质量监督检验检总局. GB/T 1447-2005 纤维增强塑料拉伸性能试验方法 [S]. 北京: 中国标准出版社, 2005. |
| [22] | 王宝来. 三维编织复合材料的力学性能和尺寸效应研究. 哈尔滨: 哈尔滨工业大学, 2009. |
| [23] | 方国栋. 三维四向碳/环氧复合材料积累损伤及失效分析. 哈尔滨: 哈尔滨工业大学, 2010. |
| [24] | 潘文革, 矫桂琼, 管国阳, 等. 三维编织Cf/SiC复合材料的拉伸破坏行为 [J]. 硅酸盐学报, 2005, 33(2): 160-163. |
| [25] | 严 实. 三维四向编织复合材料的力学性能研究. 哈尔滨: 哈尔滨工业大学, 2007. |
| [26] | 国家建筑材料工业局. GB 3856-83 单向纤维增强塑料平板压缩性能试验方法 [S]. 北京: 中国标准出版社, 1984. |
| [27] | 陈 利, 刘景艳, 马振杰, 等. 三维多向编制复合材料压缩性能的试验研究 [J]. 固体火箭技术, 2006, 29(1): 63-66. |
| [28] | 孙雨果, 吴林志, 严 实. 一种片状材料压缩卡具: 中国, 10010171.8. 2006-11-22. |
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