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【英文标准名称】:StandardTestMethodforStress-CorrosionofTitaniumAlloysbyAircraftEngineCleaningMaterials
【原文标准名称】:航空发动机清洗材料对钛合金的应力腐蚀标准试验方法
【标准号】:ASTMF945-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F07.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;飞行器;航空发动机;清洗材料;腐蚀;材料;电动机;航天技术;应力腐蚀;试验;钛合金
【英文主题词】:controlledtemperatureconditions;enginecleaners;maximumoperatingconcentration;metallographicinspection;prestressedtitaniumalloys;stress-corrosioncracking(SCC)
【摘要】:Becauseofthetendencyofprestressedtitaniumalloypartstocrackifheatedwhileincontactwithcertainchemicalreagents,itisnecessarytoensurethatcleaningandmaintenancematerialswillnotinitiatestresscorrosionoftitaniumalloysundercontrolledconditions.Fortestspecimens,twocommontitaniumalloysareselected,onethatisverysusceptible(AMS4916)andonethatisnotverysusceptible(AMS4911)tostresscorrosioncracking.1.1Thistestmethodestablishesatestprocedurefordeterminingthepropensityofaircraftturbineenginecleaningandmaintenancematerialsforcausingstresscorrosioncrackingoftitaniumalloyparts.1.2Theevaluationisconductedonrepresentativetitaniumalloysbydeterminingtheeffectofcontactwithcleaningandmaintenancematerialsontendencyofprestressedtitaniumalloystocrackwhensubsequentlyheatedtoelevatedtemperatures.1.3Testconditionsarebaseduponmanufacturer''smaximumrecommendedoperatingsolutionconcentration.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeand.
【中国标准分类号】:H25
【国际标准分类号】:49_025_30
【页数】:5P.;A4
【正文语种】: