建立了分析单向纤维增强陶瓷基复合材料力学特性的界面摩擦模型.采用基体应变能准则对基体损伤状态进行预测；由Weibull分布模型拟合出纤维断裂分数；将界面磨损处理为纤维/基体相对滑移历程的函数τi=τi(△δ),很好地表征了不同位置纤维/基体相对滑移历程不同所引起的界面磨损程度的区别.运用该模型分析了准静态加载和拉-拉循环载荷下的应力-应变特性,预测结果与实验数据吻合较好.最后采用此模型研究了任意载荷历程下界面的滑移规律.
参考文献
| [1] | Ji F S,Dharani L R.Non-axisymmetric matrix cracking and interface debonding in unidirectional brittle matrix composites[J].Eur J Mech A:Solids.1998,17(2):253-268. |
| [2] | Solti J P,Robertson D D,Mall S.Estimation of interfacial properties from hysteretic energy loss in unidirectional ceramic matrix composites[J].Adv Composite Mater,2000,9(3):161-173. |
| [3] | Pryce A W,Smith P A.Matrix cracking in unidirectional ceramic matrix composites under quasi-static and cyclic loading[J].Acta Metallurgica Meterialia,1993,41(4):1269-1281. |
| [4] | Yang B,Mall S.Cohesive-shear-lag model for cycling stressstrain behavior of unidirectional ceramic matrix composites[J].International Journal of Damage Mechanics,2003,12(1):45-64. |
| [5] | Fantozzi G,Reynaud P.Mechanical hysteresis in ceramic matrix composites[J].Materials Science and Engineering A,2009,521(1):18-23. |
| [6] | Landis C M,McMeeking R M.A shear-lag model for a broken fiber embedded in a composite with a ductile matrix[J].Composites Science and Technology,1999,59(3):447-457. |
| [7] | 李龙彪,宋迎东,孙志刚.界面脱粘对陶瓷基复合材料疲劳迟滞回线的影响[J].固体力学学报,2009,30(1):8-14.Li Longbiao,Song Yingdong,Sun Zhigang.Influence of interface debonding on the fatigue hysteresis loop of ceramic matrix composites[J].Chinese Journal of Solid Mechanics,2009,30(1):8-14. |
| [8] | Chen Y L,Liu B,Huang Y,et al.Fracture toughness of carbon nanotube-reinforced metal-and ceramic-matrix composites[J].Journal of Nanomaterials,2010,2011:42-50. |
| [9] | Baxevanis T,Charalambakis N.A micromechanically based model for damage-enhanced creep-rupture in continuous fiberreinforced ceramic matrix composites[J].Mechanics of Materials,2010,42(5):570-580. |
| [10] | 杨福树,孙志刚,李龙彪,等.界面脱粘对正交铺设SiC/CAS 复合材料基体开裂的影响[J].复合材料学报,2012,29(4):231-238.Yang Fushu,Sun Zhigang,Li Longbiao,et al.Influence of interface debonding on matrix cracking of cross-ply SiC/CAS composites[J].Acta Materiae Compositae Sinica,2012,29(4):231-238. |
| [11] | 杨成鹏,矫桂琼.界面对纤维增强陶瓷基复合材料拉伸性能的影响[J].复合材料学报,2010,27(3):116-121.Yang Chengpeng,Jiao Guiqiong.Effects of interface on tensile properties of fiber reinforced ceramic matrix composites[J].Acta Materiae Compositae Sinica,2010,27(3):116-121. |
| [12] | 李旭东,张跃,张凡伟,等.陶瓷基复合材料界面结合强度影响断裂过程的有限元研究[J].复合材料学报,2009,26(5):132-136.Li Xudong,Zhang Yue,Zhang Fanwei,et al.Finite element research on the effect of interfacial bond strength on fracturing process of ceramic matrix composites[J].Acta Materiae Compositae Sinica,2009,26(5):132-136. |
| [13] | Kuo W S,Chou T W.Multiple cracking of unidirectional and cross-ply ceramic matrix composites[J].J Amer Cer Soc,1995,78(3):745-755. |
| [14] | Curtin W A.Theory of mechanical properties of ceramic-matrix composites[J].J Amer Cer Soc,1991,74(11):2837-2845. |
| [15] | Evans A G,Zok F W,McMeeking R M.Fatigue of ceramic matrix composites[J].Acta Metall Mater,1995,43(3):859-875. |
| [16] | Holmes J W,Cho C.Frictional heating in a unidirectional fiberreinforced ceramic composite[J].J Matr Sci Lett,1992,11(1):41-44. |
| [17] | Rouby D,Reynaud P.Fatigue behavior related to interface modification during load cycling in ceramic-matrix fibre composites[J].Composites Science and Technology,1993,48(1):109-118. |
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