並列タイトル等Crack Propagation form Initially Slanted Notch
タイトル(掲載誌)航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-434
一般注記Crack propagation rate in 7075-T6 tension plates was determined for central cracks initially oriented in 45, 60, and 90 deg. to the width direction of the tension plates which were loaded cyclically. Opening and sliding mode of stress intensity factors, KI and KΠ were determined by the finite element method for curved cracks generated from these initially slanted saw-cut notches. Crack propagation rates, Δa/ΔN, were then plotted against the maximum opening mode of stress intensity factor, KI, in the presence of sliding mode of stress intensity factor, KΠ. Comparison between the corresponding crack propagation rates in control specimens without KΠ showed that the rate is definitely increased in the presence of KΠ.
資料番号: NALTR0434000
レポート番号: NAL TR-434
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)
提供元機関・データベース宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ