复合材料高周弯曲疲劳试验与寿命预测
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摘要
利用一阶弯曲共振现象,开展了复合材料悬臂梁高周弯曲疲劳试验。为了取代传统的金属疲劳理论,根据复合材料疲劳损伤渐进扩展的特点,发展了新的数值方法应用于复合材料的疲劳分析。研究局部疲劳损伤模型和周期跳跃技术,开发了复合材料悬臂梁高周弯曲疲劳的半解析法Matlab疲劳损伤分析程序;另一方面,通过开发UMAT子程序,实现了疲劳损伤模型和周期跳跃技术在商业有限元软件ABAQUS中的应用。分别使用半解析法和有限元法分析复合材料悬臂梁高周弯曲疲劳的损伤累积破坏过程,预测了其高周弯曲疲劳寿命,数值预测结果与试验结果较好吻合。
The high-cycle bending fatigue experiment of composite cantilever beam was designed by employing the first-order bending resonance phenomenon.Based on the study of the local fatigue damage model and cycle jump technique,the Matlab-based semi-analytical algorithm for high-cycle bending fatigue analysis of the composite cantilever beam was developed to substitute for traditional metal fatigue theory.On the other hand,on the basis of UMAT subroutine,the fatigue damage model and cycle jump technology were successfully applied in the commercial software ABAQUS.The semi-analytical method and the finite element method were separately employed to analyze the progressive damage accumulation and failure process for the high-cycle bending fatigue,out of which high-cycle bending fatigue life was predicted.The numerical results are in agreement with the experimental data.
The high-cycle bending fatigue experiment of composite cantilever beam was designed by employing the first-order bending resonance phenomenon.Based on the study of the local fatigue damage model and cycle jump technique,the Matlab-based semi-analytical algorithm for high-cycle bending fatigue analysis of the composite cantilever beam was developed to substitute for traditional metal fatigue theory.On the other hand,on the basis of UMAT subroutine,the fatigue damage model and cycle jump technology were successfully applied in the commercial software ABAQUS.The semi-analytical method and the finite element method were separately employed to analyze the progressive damage accumulation and failure process for the high-cycle bending fatigue,out of which high-cycle bending fatigue life was predicted.The numerical results are in agreement with the experimental data.
引文
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[19] HU D,WANG R.Combined fatigue experiments on full scale turbine components[J].Aircraft Engineering and Aerospace Technology,2013,85(1):4-9.
[20]庄茁.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009:62-68.ZHUANG Zhuo.Finite element analysis and application base on ABAQUS[M]. Beijing:Tsinghua University Press,2009:62-68(in Chinese).
[21] WANG X,CHUNG D D L.Fiber breakage in polymermatrix composite during static and fatigue loading,observed by electrical resistance measurement[J].Journal of Materials Research,1999,503(11):4224-4229.
[2] SHI D,XIN J,YANG X.Low cycle fatigue behavior of a 3D braided KD-I fiber reinforced ceramic matrix composite for coated and uncoated specimens at 1100°C and 1300°C[J].Materials Science&Engineering A,2015,631:38-44.
[3] SABELKIN V,MALL S,COOK T S,et al.Fatigue and creep behaviors of a SiC/SiC composite under combustion and laboratory environments[J].Journal of Composite Materials,2016,50(16):2145-2153.
[4]方光武,高希光,陈晶,等.加载循环数对2D针刺C/SiC复合材料疲劳剩余强度的影响[J].复合材料学报,2016,33(1):149-154.FANG Guangwu,GAO Xiguang CHEN Jing,et al.Effects of loading cycles on fatigue residual strength for 2Dneedled C/SiC composites[J]. Acta Materiae Compositae Sinica,2016,33(1):149-154(in Chinese).
[5]吴利伟.四步法三维编织复合材料弯曲疲劳性质及损伤演化有限元分析[D].上海:东华大学,2014.WU Liwei.Finite element analysis on bending fatigue and damage evolution of three-dimensional four-step braided composite materials[D].Shanghai:Donghua University,2014(in Chinese).
[6] SIDOROFF F,SUBAGIO B.Fatigue damage modelling of composite materials from bending tests[C]//6th International Conference on Composite Materials(ICCM-VI)&Second European Conference on Composite Materials(ECCM-II).London:Elsevier,1987,4:4.32-4.39.
[7] PAEPEGEM W V,DEGRIECK J.Fatigue degradation modelling of plain woven glass/epoxy composites[J].Composites Part A:Applied Science&Manufacturing,2001,32(10):1433-1441.
[8]寇海军,张俊红,林杰威.航空发动机风扇叶片振动特性分析[J].西安交通大学学报,2014,48(11):109-114.KOU Haijun,ZHANG Junhong,LIN Jiewei.Aero-engine fan blade vibration characteristic analysis[J].Journal of Xi’an Jiaotong University,2014,48(11):109-114(in Chinese).
[9] HOSSEINI-TOUDESHKY H,JAHANMARDI M,GOODARZI M S.Progressive debonding analysis of composite blade root joint of wind turbines under fatigue loading[J].Composite Structures,2015,120:417-427.
[10] VASSILOPOULOS A P,MANSHADI B D,KELLER T.Influence of the constant life diagram formulation on the fatigue life prediction of composite materials[J].2010,32(4):659-669.
[11] READ P J C L,SHENOI R A.A review of fatigue damage modelling in the context of marine FRP laminates[J].Marine Structures,1995,8(3):257-278.
[12] XU J,LOMOV S V,VERPOEST I,et al.A progressive damage model of textile composites on meso-scale using finite element method:Fatigue damage analysis[J].Computers&Structures,2015,152(25):96-112.
[13] SUN B,WANG J,WU L,et al.Computational schemes on the bending fatigue deformation and damage of three-dimensional orthogonal woven composite materials[J].Computational Materials Science,2014,91(2):91-101.
[14] AMIRI-RAD A,MASHAYEKHI M, MEER F P V D.Cohesive zone and level set method for simulation of high cycle fatigue delamination in composite materials[J].Composite Structures,2016,160:61-69.
[15] COJOCARU D,KARLSSON A M.A simple numerical method of cycle jumps for cyclically loaded structures[J].International Journal of Fatigue,2006,28(12):1677-1689.
[16]李潘,王波,甄文强,等.2D-SiC/SiC复合材料拉伸加卸载行为[J].复合材料学报,2014,31(3):676-682.LI Pan,WANG Bo,ZHEN Wenqiang,et al.Tensile loading/unloading stress-strain behavior of 2D-SiC/SiC composites[J].Acta Materiae Compositae Sinica,2014,31(3):676-682(in Chinese).
[17] HU D,YANG Q,LIU H,et al.Crack closure effect and crack growth behavior in GH2036superalloy plates under combined high and low cycle fatigue[J].International Journal of Fatigue,2017,95:90-103.
[18] LIU H,HU D,WANG R,et al.Fatigue crack growth of multiple load path structure under combined fatigue loading:Part II—Experiment study[C]//ASME Turbo Expo 2014:Turbine Technical Conference and Exposition. American Society of Mechanical Engineers,2014:V07AT29A016.
[19] HU D,WANG R.Combined fatigue experiments on full scale turbine components[J].Aircraft Engineering and Aerospace Technology,2013,85(1):4-9.
[20]庄茁.基于ABAQUS的有限元分析和应用[M].北京:清华大学出版社,2009:62-68.ZHUANG Zhuo.Finite element analysis and application base on ABAQUS[M]. Beijing:Tsinghua University Press,2009:62-68(in Chinese).
[21] WANG X,CHUNG D D L.Fiber breakage in polymermatrix composite during static and fatigue loading,observed by electrical resistance measurement[J].Journal of Materials Research,1999,503(11):4224-4229.