为了研究三维碳纤维编织体增强碳化硅陶瓷基复合材料(3DC/SiC)在疲劳过程中的损伤演化并建立其电阻变化率(△R/R0)随疲劳周次变化的模型,对其进行了应力比为0.1、频率为20 Hz、最大疲劳应力为250、255、260 MPa的拉一拉疲劳试验,通过电阻增量仪器测量了连续3D C/SiC在疲劳中的电阻变化率.实验结果表明,△R/R.除首次循环降低外,随着疲劳周次的增加呈缓慢增加、台阶式增加和急剧增加3个阶段.根据损伤力学理论,以△R/R0为损伤参量,得到了△R/R0随疲劳周次变化的模型,该模型结果与实验结果吻合较好.
参考文献
| [1] | Ohnabe H,Masaki S,Onozuka M,et al.Potential application of ceramic matrix composites to aero-engine components[J].Composites Part A,1999,30(4):489-496. |
| [2] | Ogin S L,Smith P A,Beaumont P W R.Matrix cracking and stiffness reduction during the fatigue of[0/90]s GFRP laminate[J].Composite Science Technology,1985,22(1):23-31. |
| [3] | Mizuino M,Zhu S,Nagano Y,Sakaida Y,Kagawa Y,Kaya H.Cyclic fatigue behavior of SiC/SiC composite at room temperature and high temperature[J].J Am Ceram Soe,1996,79(12):3065-3077. |
| [4] | Hwang W,Han K S.Fatigue of composites materials-fatigue modulus concept and life prediction[J].J Composite Materials,1986,20(2):154-165. |
| [5] | Sφrensen Bent F,Holmes John W,Vanswijgenhoven Eddy L.Rate of strength decrease of fiber-reinforced ceramic matrix composites during fatigue[J].J Am Ceram,2000,83(6):1469-1475. |
| [6] | Burr A,Hild F.Ultimate tensile strength during fatigue of fiber-reinforced ceramic-matrix composites[J].Mech Res Comm,1995,22(4):401-406. |
| [7] | 张钧,栾新刚,成来飞,等.疲劳氧化环境中3D SiCf/SC复合材料损伤演化[J].复合材料学报,2009,26(5):121-126.Zhang Jun,Luan Xingang,Chang Laifei,et al.Damage evolution in 3D SiCf/SiC composites in fatigue-oxidation environment[J].Acta Materiae Compositae Sinica,2009,26(5):121-126. |
| [8] | 李建章,张立同,成来飞,等.高温氧化气氛中3D C/SiC质量变化率与剩余强度的相关性[J].复合材料学报,2007,24(4):101-106.Li Jianzhang,Zhang Litong,Cheng Laifei,et al.Relationship between mass variation and residual strength change with temperature on 3D C/SiC composites in oxidizing atmosphere[J].Acta Materiae Compositae Sinica,2007,24(4):101-106. |
| [9] | 裴俊峰,邓明晰.用超声导波幅度谱方法评定复合材料板材疲劳损伤的数值研究[J].复合材料学报,2010,27(2):169-175.Pei Junfeng,Deng Mingxi.Numerical analyses of evaluation of fatigue damage in composite sheets using ultrasonic guided wave amplitude spectra[J].Acta Materiae Compositae Sinica,2010,27(2):169-175. |
| [10] | Xia Z H,Curtin W A.Damage detection via electrical resistance in CFRP composites under cyclic loading[J].Composites Science and Technology,2008,58(6):2506-2534. |
| [11] | De Baere I,Van Paepegem W,Degrieck J.Electrical resistance measurement for in situ monitoring of fatigue of carbon fabric composites[J].International Journal of Fatigue,2010,32(1):197-207. |
| [12] | 乔生儒,杜双明,纪岗昌.3D C/SiC复合材料的损伤机理[J].机械强度,2004,6(3):307-312.Qiao Shengru,Du Shuangming,ji Gangchang.Damage mechanism of 3D C/SiC composite[J].Journal of Mechanical Strength,2004,6(3):307-312. |
| [13] | 杜双明,乔生儒.3DC/SiC复合材料在室温和1300℃的疲劳行为[J].材料工程,2002,47(9):22-25.Du Shuangming,Qiao Shengru Tension-tension fatigue behavior of 3DC/SiC composite at room temperature and 1300℃[J].Journal of Materials Engineering,2002,47(9):22-25. |
| [14] | 杜双明,乔生儒,纪岗昌.3D C/SiC复合材料拉一拉疲劳模量和电阻的变化[J].宇航材料工艺,2002,32(5):38-41.Du Shuangming,Qiao Shengru,Ji Gangchang.Variation of Young's modulus and electric resistance during tensiontension fatigue at room temperature[J].Aerospace Materials and Technology,2002,32(5):38-41. |
| [15] | Karandikar P G,Chou Tsu-Wei.Damage development and modulus reduction in nicalon-calcium aluminosilicate composites under static fatigue and cyclic fatigue[J].J Am Ceram Soc,1993,76(7):1720-1728. |
| [16] | Rouby D,Reynaud P.Fatigue behavior related to interface modification during load cycling in ceramic-matrix fiber composites[J].Compos Sei Technol,1993.48(1):109-118. |
| [17] | Wang J.Low cycle fatigue and cycle dependent creep with continuum mechanics[J].Int J Damage Mech,1992.1(2):237-244. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%