エラストマー分散層を有するCFRTPの落錘衝撃破壊に関する有限要素解析

青木 喬寛; 加賀 紀彦; 片岡 央尚; 平田 雅俊; 半澤 健太郎; 樽谷 泰典; 川田 宏之; 細井 厚志

doi:10.1299/jsmemm.2021.OS0145

セッションID: OS0145

DOI https://doi.org/10.1299/jsmemm.2021.OS0145

会議情報

主催: 一般社団法人日本機械学会

会議名: M&M2021 材料力学カンファレンス

開催日: 2021/09/15 - 2021/09/17

エラストマー分散層を有するCFRTPの落錘衝撃破壊に関する有限要素解析

*青木喬寛, 加賀紀彦, 片岡央尚, 平田雅俊, 半澤健太郎, 樽谷泰典, 川田宏之, 細井厚志

著者情報

キーワード: Carbon fiber reinforced thermoplastics (CFRTPs), Finite element method (FEM), Cohesive zone model (CZM), Low-velocity impact (LVI), Interlaminar fracture toughness (ILFT), Impact tolerance, Continuum damage mechanics (CDM), Discrete ply model (DPM), Large-scale analysis

会議録・要旨集認証あり

詳細

抄録

CFRTP are becoming of interest to mass production industries. In this study, we investigate the capability of energy absorption and its mechanism of new concept CFRTP under impact loading by experiment and calculation. New concept CFRTP improved both static and impact characteristics was manufactured by laminating prepregs which inserted reinforced layer dispersed elastomer particles in the resin and controlled its direction. The experiments were conducted drop-weight impact test at a key impact energy (120J) for different elastomer-volume fractions. An LS-DYNA finite element analysis model of drop-weight impact test were implemented by 4 methods. By comparing load-displacement curves and damage behavior between experiment and numerical predict, we aimed to establish highly accurate analysis method and tried to clarify the main factors in improving the impact characteristics.

責任著者(Corresponding author)

J-STAGEへの登録はこちら（無料）