FATIGUE BEHAVIOR OF THERMOSET AND THERMOPLASTIC CROSS-PLY LAMINATES

被引:34
作者
HENAFFGARDIN, C
LAFARIEFRENOT, MC
机构
[1] Laboratoire de Mécanique et Physique des Matériaux, Ecole Nationale Supérieure de Mécanique et d'Aérotechnique, 86034 Poitiers Cedex, rue Guillaume VII
来源
COMPOSITES | 1992年 / 23卷 / 02期
关键词
COMPOSITE MATERIALS; FATIGUE TESTING; DAMAGE; FRACTOGRAPHY; CARBON FIBERS; EPOXY MATRIX; PEEK MATRIX;
D O I
10.1016/0010-4361(92)90111-7
中图分类号
TB33 [复合材料];
学科分类号
摘要
This paper compares the fatigue behaviour of two carbon fibre-reinforced plastics (CFRP)-a conventional T300/914 material with an epoxy resin matrix, and the more recently developed material APC2 with a toughened thermoplastic polyetheretherketone matrix. Monotonic and cyclic tensile tests were carried out on [0(7)/90]s and [0(3)/90/0(4)]s cross-ply lay-ups. Under monotonic tensile loading the behaviour of APC2 has been found to be slightly superior to that of T300/914. Surprisingly, during tension-tension fatigue tests, the observed specimen fatigue lives are far shorter in APC2 than in T300/914. Observations of damage evolution in both materials by means of X-ray radiography throughout the fatigue tests and by scanning electron microscopy at the end of the test make these results clearer.
引用
收藏
页码:109 / 116
页数:8
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