材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
FRP直交積層板におけるマトリックスき裂発達のメカニズム
元木 信弥福田 武人田中 基博
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1994 年 43 巻 490 号 p. 833-839

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This paper discusses the mechanism of matrix cracking evolution in crossply composite laminates. The evolution of matrix cracking cannot be understood by the notion of ‘strength’ of cracking ply, since matrix cracks are sequentially formed above the stress level of the strength of cracking ply. By assuming that the ply has inherently a distribution of defects which act as the nucleation sites of matrix cracks, the cracking mechanism is discussed. This mechanism can explain the behavior of the averaged maximum stress in the whole stage of evolution. A simple numerical simulation is performed in order to visualize the cracking behavior and the change in stress due to cracking.

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