文韬;刘逸众;程党根;

• 1:空军航空维修技术学院

摘要(Abstract)：

采用碳纤维增强双马来酰亚胺树脂基复合材料层合板材料,制取了不同初始裂纹长度的试样,采用三点弯曲试验得到其弯曲断裂载荷-位移曲线,并采用柔度变化率的方法确定起裂点,用J积分的远场公式来计算JIC值。结果表明:碳纤维复合材料层合板具有"假塑性"的力学行为;随切口深度a/W增加,起裂点载荷值减小,并且当切口深度比较浅时,JIC值不稳定。

关键词(KeyWords)： 碳纤维增强树脂基复合材料;断裂试验;起裂载荷;柔度变化率

Abstract:

Keywords:

基金项目(Foundation): 湖南省职业院校教育教学改革研究项目(ZJA2013011)

作者(Author): 文韬;刘逸众;程党根;

Email:

DOI: 10.14024/j.cnki.1004-244x.2014.04.037

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