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缝合复合材料II型层间断裂特性研究

, PP. 85-88

Keywords: 复合材料层合板,缝合,II型层间断裂韧性,裂纹扩展阻力

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Abstract:

分别采用测量ENF试样加载点位移与测量其端部剪切位移CSD(CrackShearDisplacement)的试验方法,研究了缝合复合材料层合板的II型层间断裂韧性以及缝合密度,缝合线的直径等缝合参数对于缝合复合材料层合板II型层间断裂韧性和分层模式的影响。结果表明,缝合降低了层合板初始分层韧性GIIi,但对于分层的扩展有良好的抑制作用。缝合参数对此有较大影响。

References

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