Prediction of the Biaxial Failure Strength of Composite Laminates with Unit Cell Analytic Model
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2014年第5期
论文作者：赵琳 ZHANG Boming QING Xinlin
文章页码：923 - 927
摘 要：A new method to predict the ultimate strength of fiber reinforced composites under arbitrary load condition is introduced. The micromechanics strength theory is used to perform the final failure prediction of composite laminates. The theory is based on unit cell analytic model which can provide the ply composite material properties by only using the constituent fiber and matrix properties and the laminate geometric parameters without knowing any experimental information of the laminates. To show that this method is suitable for predicting the strength of composite laminates, the micromechanics strength theory is ranked by comparing it with all the micro-level and the best two macro-level theories chosen from the World Wide Failure Exercise. The results show that this method can be used for predicting strength of any composite laminates and provide a direct reference for composite optimum design.
赵琳1,2，ZHANG Boming3，QING Xinlin2
1. School of Aerospace, Tsinghua University2. Beijing Aeronautical Science & Technology Research Institute of COMAC3. School of Materials Science and Engineering, Beihang University
摘 要：A new method to predict the ultimate strength of fiber reinforced composites under arbitrary load condition is introduced. The micromechanics strength theory is used to perform the final failure prediction of composite laminates. The theory is based on unit cell analytic model which can provide the ply composite material properties by only using the constituent fiber and matrix properties and the laminate geometric parameters without knowing any experimental information of the laminates. To show that this method is suitable for predicting the strength of composite laminates, the micromechanics strength theory is ranked by comparing it with all the micro-level and the best two macro-level theories chosen from the World Wide Failure Exercise. The results show that this method can be used for predicting strength of any composite laminates and provide a direct reference for composite optimum design.
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