616 C/C 複合材料の衝撃損傷評価

概要

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Carbon fiber reinforced carbon matrix (C/C) composites have recently been studied and developed for structural applications in the field of aerospace and under high temperature environment. However, C/C composites have low impact strength. Therefore, it's important to evaluate impact damage properties and impact strength in C/C composites. In this study, the estimating methods for impact damage are the determination by the relationship between the impact load and displacement in a drop weight impact test. The measured impact load is reduced noise by wavelet analysis. As a result, the impact damage in rod bar of C/C composites that a type of laminate 0°/90° can be determined with some measuring methods.
社団法人日本機械学会の論文
2002-03-14