期刊文献+

飞机地板梁点蚀对安全系数和应力集中的影响

Effect of Pitting Corrosion on Safety Coefficient and Stress Concentration of Airplane Floor Beam
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摘要 研究了地板梁上的表面蚀坑尺寸不同时剩余静强度安全系数的变化规律;基于ABAQUS建立了地板梁有限元模型,分析在蚀坑尺寸不同时应力集中系数的变化规律及蚀坑位置对剩余静强度安全系数的影响规律。为地板梁腐蚀损伤修理提供理论依据。 The change rule of residual static strength safety coefficient when the pitting sizes on the floor beam were different was studied.The finite element model of floor beam was established based on ABAQUS.The model was used to analyze the change rule of stress concentration coefficient and the effect of pitting location on residual static strength safety coefficient when the pitting sizes were different in order to provide theoretical foundation for floor beam corrosion damage repair.
出处 《腐蚀与防护》 CAS 北大核心 2014年第5期488-491,513,共5页 Corrosion & Protection
关键词 地板梁 点蚀 剩余强度 应力集中 有限元 floor beam pitting corrosion residual strength stress concentration finite element
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