纤维增强复合材料力学性能预测及试验验证

沙云东; 丁光耀; 田建光; 骆丽; 栾孝驰

doi:10.13224/j.cnki.jasp.2018.10.003

纤维增强复合材料力学性能预测及试验验证

doi: 10.13224/j.cnki.jasp.2018.10.003

沈阳航空航天大学航空航天工程学部(院)辽宁省航空推进系统先进测试技术重点实验室,沈阳 110136

基金项目: 中航产学研创新基金（cxy2013SH17）

计量
- 文章访问数: 676
- HTML浏览量: 12
- PDF量: 772
- 被引次数: 0
出版历程
- 收稿日期: 2017-06-20
- 刊出日期: 2018-10-28

Prediction and test verification of mechanical properties of fiber reinforced composites

摘要

摘要: 针对纤维均匀排布的单向纤维增强复合材料结构力学性能预测问题,基于复合材料细观力学有限元方法,研究建立了代表体积元(RVE)模型,并施加周期性边界条件,实现了纤维增强复合材料基本力学性能的预测。通过将应用上述RVE模型所获取的B/Al纤维增强复合材料力学性能预测结果与解析解和试验数据进行对比表明,施加周期性边界条件的RVE模型的力学性能预测结果与解析解和试验数据吻合良好,验证了所建立计算模型的有效性。基于单向连续纤维增强SiC/TC4复合材料板材的力学性能测试试验,获取了不同铺层方案结构的纵向/横向弹性模量和泊松比,得到的纵向/横向弹性模量计算值与各自试验值均值的误差均小于5%，表明弹性力学性能参数基本一致，计算模型具有合理性。
- 力学性能预测 /
- 连续纤维增强复合材料 /
- 周期性边界条件 /
- 有效弹性模量 /
- 力学性能试验验证
Abstract: For the problem of predicting mechanical properties of unidirectional fiber reinforced composite with uniform arranged fiber, based on the composite micro-mechanical finite element method, the representative volume element (RVE) model with periodic boundary conditions was researched and established, the basic mechanical properties were realized. By comparing simulation results of B/Al fiber reinforced composites which obtained by applying the RVE model with test results and analytical solutions, it showed that prediction of the mesoscopic mechanical model with periodic boundary conditions kept a preferable consistency with test results and analytical solutions, and the efficiency of the RVE model was proved. Based on the mechanical properties test of unidirectional fiber reinforced SiC/TC4 composite sheets, the longitudinal/transverse elastic modulus and Poissons ratio of different layup structures were obtained, and the error between the calculated longitudinal/transverse elastic modulus and the mean value of the respective test values was less than 5%, the comparison of structural mechanics properties predicted results showed that the parameters of elastic mechanics agree well and the calculation model was reasonable.
- prediction of mechanical properties /
- continuous fiber reinforced composite /
- periodic boundary conditions /
- effective elastic modulus /
- test verification of mechanical properties

HTML

参考文献(20)

[1]	梁春华.连续纤维增强的金属基复合材料部件在航空涡扇发动机上的应用［J］.航空制造技术,2009,15(10):32-35.LIANG Chunhua.Application of continuous fiber reinforced metal matrix composite component on turbofan aeroengine［J］.Aeronautical Manufacturing Technology,2009,15(10):32-35.(in Chinese)
[2]	ESHELBY J D.The determination of the elastic field of an ellipsoidal inclusion,and related problems［J］.Proceedings of the Royal Society of London,Series A:Mathematical and Physical Sciences,1957,241(1226):376-396.
[3]	HILL R.A self-consistent mechanics of composite materials［J］.Journal of the Mechanics and Physics of Solids,1965,13(4):213-222.
[4]	MORI T,TANAKA K.Average stress in matrix and average enengy of materials with misfitting inclusions［J］.Acta Metallurgica,1973,21(5):571-574.
[5]	雷友锋,魏德明,高德平.细观力学有限元法预测复合材料宏观有效弹性模量［J］.燃气涡轮试验与研究,2003,16(3):11-15,18.LEI Youfeng,WEI Deming,GAO Deping.Predicting macroscopic effective elastic moduli of composites by micro-mechanics FEM［J］.Gas Turbine Experiment and Research,2003,16(3):11-15,18.(in Chinese)
[6]	沙云东,贾秋月,骆丽,等.连续纤维增强金属基复合材料涡轮轴结构承扭特性分析［J］.航空动力学报,2016,31(6):1377-1384.SHA Yundong,JIA Qiuyue,LUO Li,et al.Analysis of torsional feature for continuous fiber reinforced metal composite turbine shaft［J］.Journal of Aerospace Power,2016,31(6):1377-1384.(in Chinese)
[7]	SUN C T,VAIDYA R S.Prediction of composite properties from a representative volume element［J］.Composites Science and Technology,1996,56(2):171-179.
[8]	HORI M,NEMAT NASSER S.On two micromechanics theories for determining micro-macro relations in heteroge-neous solids［J］.Mechanics of Materials,1999,31(10): 667-682.
[9]	HOLLISTER S J,KIKUCHI N.A comparison of homogenization and standard mechanics analysis for periodic porous composites［J］.Computational Mechanics,1992,10 (2):73-95.
[10]	XIA Z,CHEN Y,ELLYIN F.A meso/micro-mechanical model for damage progression in glassfiber/epoxy crossply laminates by finite-element analysis［J］.Composites Science and Technology,2000,60(8):1171-1179.
[11]	张超,许希武,严雪.纺织复合材料细观力学分析的一般性周期性边界条件及其有限元实现［J］.航空学报,2013,34(7):1636-1645.ZHANG Chao,XU Xiwu,YAN Xue.General periodic conditions and their application to miceomechanical finite element analysis of textile composites［J］.Acta Aeronautica et Astronautica Sinica,2013,34(7):1636-1645.(in Chinese)
[12]	TANG X,WHITCOMB J D.General techniques for exploiting periodicity and symmetries in micromechanics analysis of textile composites［J］.Journal of Composite Materials,2003,37(13):1167-1189.
[13]	李庆,杨晓翔.基于周期性边界条件的炭黑填充橡胶复合材料力学行为的预测［J］.复合材料学报,2013,30(6):159-167.LI Qing,YANG Xiaoxiang.Prediction on mechanical behavior of carbon black filled rubber composites based on periodic boundary conditions［J］.Acta Materiae Compositae Sinica,2013,30(6):159-167.(in Chinese)
[14]	SMIT R J M,BREKELMANS W A M,MEIJER H E H.Prediction of the mechanical behavior of nonlinear heterogeneous systems by multi-level finite element modeling［J］.Computer Methods in Applied Mechanics and Engineering,1998,155(1/2):181-192.
[15]	李冠达,张少平,裴会平,等.纤维增强钛金属基复合材料横向拉伸性能数值模拟［J］.燃气涡轮试验与研究,2013,26(4):37-43.LI Guanda,ZHANG Shaoping,PEI Huiping,et al.Numerical simulation of reinforced TMC properties under transverse tensility［J］.Gas Turbine Experiment and Research,2013,26(4):37-43.(in Chinese)
[16]	SMIT R J M,BREKELMANS W A M,MEIJER H E H.Prediction of the large-strain mechanical response of heterog eneous polymer systems:local and global deformation behaviour of a representative volume element of voided polycarbonate［J］.Journal of the Mechanics and Physics of Solids,1999,47(2):201-221.
[17]	SUQUET P.Elements of homogenization theory for inel-astic solid mechanics［C］∥Homogenization Techniques for Composite Media.Berlin:Springer-Verlag,1987:194 -275.
[18]	KENAGA D,DOYLE J F,SUN C T.The characterization of boron/aluminum composite in the nonlinear range as an orthotropic elastic-plastic material［J］.Journal of Composite Materials,1987,21(6):516-531.
[19]	HASHIN Z,ROSEN B W.The elastic moduli of fiber-reinforced materials［J］.Journal of Applied Mechanics,1964,31(2):223-232.
[20]	SUN C T,CHEN J L.A micromechanical model for plastic behavior of fibrous composites［J］.Composites Science and Technology,1991,40(2):115-129.