压力容器2011，Vol.28Issue(10)：22-26,14,6.DOI:10.3969/j.issn.1001-4837.2011.10.004
纤维环向缠绕复合材料气瓶冲击损伤容限研究
Study of Hoop-wrapped Composite Cylinders Impact Failure Tolerance
摘要
Abstract
For the study of filament - wound laminated composite CNG cylinder after impact damage tolerance issues, the repeated strain rates are used as damage variable establish the fatigue damage accumulation model. The wound layers of cylinders residual strength of impact damage calculation using the equivalent openings. Application Nuismer - Whitney average stress criterion, according with fatigue damage accumulation function of maximum stress and tensile load of holes laminate residual strength, and setting up for the fatigue load holes laminate structure of the residual strength of the estimation methods, forecasting the impact of composite CNG cylinder residual strength. The results show that the branch predictor of the proposed analytical mode can fit the composite cylinders damage assessment standards by the experts.关键词
复合材料气瓶/冲击损伤/剩余强度/损伤容限Key words
composite cylinders/impact damage/residual strength/damage tolerance分类
化学化工引用本文复制引用
张永明,李培宁..纤维环向缠绕复合材料气瓶冲击损伤容限研究[J].压力容器,2011,28(10):22-26,14,6.
