点蚀及振动对疲劳损伤的影响研究现状和展望王金1，闵少松2，周刚3，胡志远2，滑林2，吴梵2(1.海军装备部驻上海地区第一军事代表室，上海201913；2.海军工程大学舰船与海洋学院，湖北武汉430033；3.中国人民解放军91959部队，海南三亚572000)摘要:疲劳破坏是船体结构的主要失效模式之一，而点蚀、振动影响下的疲劳损伤问题愈发严重，相关机理尚不明确。通过分别对点蚀、振动影响下的疲劳损伤研究现状进行梳理和综述，可以发现：目前的研究主要集中于腐蚀疲劳和振动疲劳，腐蚀疲劳把点蚀作为电化学腐蚀的结果，振动疲劳直接将振动作为导致结构疲劳失效的载荷形式。因此，本文认为之后的研究重点是针对船体典型结构，把点蚀作为结构损伤形式，把振动作为一种影响因素，进一步明确点蚀、振动对疲劳损伤的影响机理。关键词：典型船体结构；疲劳损伤；点腐蚀；振动效应中图分类号：U663.2文献标识码：A文章编号：1672–7649(2022)24–0001–05doi：10.3404/j.issn.1672–7649.2022.24.001ResearchstatusandprospectofpittingcorrosionandvibrationonfatiguedamageWANGJin1,MINShao-song2,ZHOUGang3,HUZhi-yuan2,HUALin2,WUFan2(1.TheFirstMilitaryRepresentativeOfficeoftheNavalEquipmentinShanghai,Shanghai201913,China;2.DepartmentofNavalArchitectureEngineering,NavalUniversityofEngineering,Wuhan430033,China;3.No.91404UnitofPLA,Sanya527000,China)Abstract:Fatiguedamagecausedbypittingandvibrationbecomesmoreandmoreserious,whichisoneofthemainfailuremodesofshipstructures,whiletherelatedmechanismisnotclearyet.Throughsortingandsummarizingtheresearchstatusoffatiguedamageundertheinfluenceofpittingcorrosionandvibrationrespectively,itcanbefoundthatthecurrentresearchmainlyfocusesoncorrosionfatigueandvibrationfatigue.Corrosionfatiguetakespittingcorrosionastheresultofelectrochemicalcorrosion,andvibrationfatiguedirectlytakesvibrationastheloadformleadingtostructuralfatiguefailure.Therefore,thispaperconsidersthatthefollowingresearchfocusesontypicalhullstructures,takingpittingcorrosionasthestructuraldamageformandvibrationasaninfluencingfactor,andfurtherclarifyingtheinfluencemechanismofpittingcor-rosionandvibrationonfatiguedamage.Keywords:typicalhullstructure；fatiguedamage；pitt...
