• These thicker laminates are more difficult to infuse and the exotherm development of traditional epoxy systems can lead to exotherm wrinkles in spar caps.

    这些层压板不易进行灌注,同时,由于传统环氧系统的固化放热导致主梁生产过程中产生起等品质缺陷。

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  • In this paper, the manufacture process, the mechanical and delamination properties of several kinds of fiber reinforced aluminium laminates have been studied.

    本文初步探索了几种纤维增强铝合金胶接成型工艺,并评定了这些板的力学性能抗分层性能

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  • The need to characterize damage resistance and damage tolerance behaviour of composite laminates was proposed by the design requirements and usage experience.

    复合材料结构设计要求使用经验提出复合材料体系损伤阻抗和损伤容限性能表征需求

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  • The formula for calculating the elastic constants of the composites laminates is derived in this paper. The calculating results agree with the experimental values.

    本文推导计算多向复合材料层板弹性模量公式,计算结果实验结果符合得很好。

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  • The representative testing results of laminates show that the equipment is effective and the testing method is a promising attempt, which can be used for reference.

    板复合材料试验结果分析表明,设计的测试装置有效,建立测试方法层板复合材料断裂韧性测试的有益尝试,较大的参考价值。

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  • Also, no delaminations were found in tensile and cyclic tests at elevated temperature. That significantly shows a nearly perfect bonding in hybrid laminates is made.

    并且高温下之拉伸疲劳试验下皆层,明显展现了优良的混和积层板制作完成。

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  • Predicting residual compression strength of composite laminates with delamination is a very important research subject for Engineering composite structure designers.

    准确预测分层损伤层合剩余压缩强度,对复合材料具有十分重要的意义。

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  • The effects of stitching technical parameters such as the stitch thread diameter, stitch step and stitch space on the stitched composite laminates are also analyzed.

    研究缝纫参数(包括缝纫线直径,缝纫针距行距)缝纫复合材料合板屈曲强度的影响。

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  • Since the isotropy of such laminates holds only for the elastic properties but not for the strength behavior their strength largely depends on the stacking structure.

    内发生损伤之后其各同性性质不再保留,最终强度依赖于加载方向以及叠层顺序。

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  • In addition, by combining the interleaving and surface bonded PZT ceramics, joint effect of both methods has been achieved for the vibration damping of CFRP laminates.

    另外,将插层表面粘结压电陶瓷方法结合并用,会收到综合CFRP振动阻尼效果

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  • Since the isotropy of such laminates holds only for the elastic properties, but not for the strength behavior, their strength largely depends on the stacking structure.

    内发生损伤之后同性性质不再保留,最终强度依赖于加载方向以及叠层顺序。

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  • Followly, the bending rigidity and transverse shearing rigidity of one-way bamboo-stripe laminates applied to shipbuilding has been measured practically with this method.

    方法实测了造船工业用单向竹蔑积成胶合板的弯曲刚度横向剪切刚度。

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  • The characteristic of thermosetting polyphenylene oxide resin copper clad laminates as wel as their application in the high frequency printed circuit board is introduced.

    论述热固性聚苯树脂铜板的特性及其高频印刷电路板上的应用

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  • The automatic Cut Sheet Laminator 1600-spc is a high productivity machine which automatically premeasures and precisely laminates dry film within the confines of the panel.

    自动贴膜机1600-SPC生产率机器可以自动精确测量预贴膜,使之尺寸板料边缘符合。

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  • In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.

    本文弹塑性有限元计算了含圆对称复合材料层间应力分布

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  • The test result shows that the unidirectional laminates have good relativity of resistance and strain and can be used as strain sensor to inspect the safety of the structure.

    结果表明单向碳纤维布复合材料电阻变化具有较好的应变相关性作为应变传感器使用,达到预警智能监测效果。

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  • The results indicate that the damage tolerance behavior of composite laminates can be taken fully by taking the impact threats into consideration in the reliability analysis.

    研究表明,通过可靠性分析中引入冲击威胁概念,可以较充分地发挥复合材料层压板损伤容限性能

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  • Then, buckling characteristic equations for laminates with built-in circular or elliptical delaminations are derived by using the variational principle and linearized method.

    然后变分原理进行线性化得出了含圆形椭圆形屈曲特征方程

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  • 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,提出种新的计算复合材料低速冲击响应有限元模型。最后给出一个

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  • Most commonly, bolted joints are adopted to connect laminates to other structures, and the fatigue properties of joints affect the service life of jointed structures seriously.

    此种结构一般采用螺栓连接,其连接处疲劳特性往往决定了结构使用寿命

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  • The paper introduces the design principle. preparing technique, the main research topics and current status of the biomimetic laminates composite materials in biomimetic terms.

    仿生角度介绍了仿生复合材料尤其是层状复合材料的设计原理、制备方法主要研究内容现状

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  • In this paper, a nonlinear elastic model to predict stress-strain relationship of circular concrete columns confined with fiber reinforced polymer (FRP) laminates is developed.

    本文中,作者建立了FRP约束混凝土圆形应力-应变关系非线性弹性模型

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  • Effect of potassium permanganate etching solution on the roughening of epoxy resin laminates board and 3240 epoxy resin board at various temperatures and times was investigated.

    不同温度时间条件下,研究高锰酸钾微蚀溶液环氧树脂层压板3240型环氧树脂(基板)微蚀作用影响。

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  • Divorced from the watery, breezy world outside, each venue offered variations of faux wood-grain laminates; dark, patterned carpets; brass railings and flamboyant light fixtures.

    远离大海微风外部世界所有场馆里都有不同的伪木质压带花纹深色地毯黄铜围栏花哨的灯具

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  • The experiment results show that the dynamic response of the laminates is clearly dependent upon temperatures and strain rates and there exists dynamic toughness in the laminates.

    实验结果表明玻璃布环氧层具有明显应变温度效应;室温以上温度环境下,该层板具有动态韧性

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  • An energy method for determining fracture toughness of fibrous composite laminates was based on the theory of elastic energy release rate and crack-growth resistance in this paper.

    应用线弹性断裂力学弹性释放裂纹扩展阻力等基本概念和理论建立起确定纤维增强高分子聚合物复合材料断裂韧性能量方法

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  • Flexural strength and open-hole tensile strength of glass-fiber woven reinforcement epoxy laminates is investigated experimentally at room temperature and hygrothermal environment.

    实验研究了不同铺厚度二维机织玻璃纤维织物/环氧胶膜基体复合材料层压板室温湿热环境下的开孔拉伸弯曲性能

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  • A cumulative damage model is proposed, which can be used to consider the influence of in plane bi-axial stresses and mean stress on the fatigue behavior of unidirectional laminates.

    推荐了应变损伤累积模型能够考虑单向板面内多轴应力平均应力影响

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  • Thus the suitable positions of barriers in the laminates are suggested according to the theory that enlarging time-lag may reduce gas permeation relatively through multiple laminates.

    设置布气体通过层材料渗透动态影响,从而根据增大时间延迟相对减小气体渗透原理提出了阻挡层合理布位的看法。

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  • With the compliance changing rate method, the crack initiation time and the dynamic fracture toughness of CFRP and GFRP laminates were obtained at two kinds of strain rates separately.

    利用柔度变化率方法确定起时间,分别得到加载速率CFRPGFRP层板动态断裂韧性

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