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- In composite laminates there are four basic failure modes: matrix cracking, delamination, fiber breakage and debonding. 复合材料层合板中存在四种基本的失效模式,即:基体开裂、分层、纤维断裂及脱粘。
- The edge stress problem in composite laminates under uniform axial extension is analyzed. 研究复合材料叠层结构在单轴拉伸状态下的边缘应力问题。
- The buckling behaviour of orthotropic fiber-reinforced composite laminates is analyzed by the boundary element method. 本文用边界元法分析了纤维增强复合材料正交各向异性层合板的屈曲性态。
- Fiber Bragg grating(FBG)is used to monitor the temperature evolution and residual stress of composite laminates during the cure process. 研究了光纤光栅作为温度和应变传感器埋入到复合材料预浸料中,监测复合材料模压成型的全过程。
- In this paper,an experimental investigation was performed on the characteristics and damage of composite laminates with quasi-static indenting. 本文对复合材料层合板准静态横向压缩特性损伤进行了研究。
- An effective calculational model was established to analyze delamination and fiber failure of composite laminates due to quasi-static pressure. 建立一个有效的计算模型,以分析复合材料层板在静压入过程中发生分层、纤维断裂的现象。
- This paper deals with residual stresses and deformations of composite laminates during cooling down stage of curing process. 本文采用非线性有限元方法研究了复合材料层合板在固化后期降温过程的残余应力和变形问题。
- The three-dimensional exact solution methods for dynamic problems of a finitely long piezoelectric composite laminates are studied . 有限长压电层合板结构动态问题的三维精确解研究。
- Using unsymmetric composite laminates are benefit to reducing the structure weight of some aircrafts such as helicopter. 采用不对称铺层复合材料对直升机等飞行器的结构减重具有重要意义。
- The basic failure modes in unidirectional composite laminates have been given and the damage characteristics in multi-directional composite laminates have been summarized. 给出了纤维增强复合材料单向板的基本失效模式,总结了多向层合板的损伤特征。
- Three kinds of fatigue tests at certain stress ratio for unidirection T300/QY8911 Carbon/Bismalimide composite laminates were performed to obtain the S-N curves. 摘要测定了碳纤维/树脂基T300/QY8911复合材料的3组典型单轴循环应力下的S-N曲线。
- Two modes of damage in composite laminates are considered: the intralaminar damage (matrix cracking) and the interlaminar damage(interior delamination). 本文分析了复合材料层板中两种类型的损伤,一种是层内损伤卽基体开裂,另一种是层间损伤卽内部分层。
- The calculational model was based on the 3D progressive damage theory,which can simulate the whole process of the composite laminates failure due to quasi-static pressure. 该计算模型基于有限元程序的三维逐渐损伤理论对层板的静压入全过程进行模拟,对逐层逐个单元的损伤进行判断,可以模拟任意角度、铺层厚度的层板在递增载荷下的逐渐损伤破坏过程。
- Song T,Ning R C.Effect of the adhesive layer of thermoplas tic/thermoset blend on impact damage in composite laminates[J].FiberReinforced Plastic/Composites,1998(3):10-13. [8]宋涛;宁荣昌.;热塑/热固共混树脂胶膜对复合材料抗冲击损伤性能影响[J]
- Ultrasonic imaging of the ply interfaces of fiber placed composite laminates was performed, with an eye toward developing a tool for evaluating their quality. 介绍用超声波对键接复合材料层间界面进行成像,以期建立一种评价键接复合材料产品质量的方法。
- As a new concept for morphing structures, the use of piezoelectric actuators to effect snap-through behavior of simple unsymmetric cross-ply composite laminates is examined. 复合叠层板的应力谱试验是疲劳设计中很重要的试验,藉由模拟实际应力谱的行为,复合叠层板实际使用的寿命,方能更准确地预估。
- By using a dynamic contact analysis,a finite element model is developed to calculate the response of composite laminates to low velocity impact.A numerical example is given. 利用动力接触分析方法模拟冲击的接触行为,提出了一种新的计算复合材料层板低速冲击响应的有限元模型。最后给出一个算例。
- Matrix crack is a frequent damage mode in a composite laminated panel. 摘要基体裂纹是复合材料层板最常见的一种层内损伤形式。
- In this paper, the nonlinear transverse deflection or buckling is analyzed for unsymmetrical composite laminates under loads in plane by means of the generalized Fourier series method. 本文利用广义富里叶级数法对非对称复合材料层板在面内载荷作用下的非线性横向变形或屈曲问题进行了分析。
- Abstract: The basic failure modes in unidirectional composite laminates have been given and the damage characteristics in multi-directional composite laminates have been summarized. 文摘:给出了纤维增强复合材料单向板的基本失效模式,总结了多向层合板的损伤特征。