NF L14-050-1993 航空航天系列.铝合金AL-P6082-T6.200mm以下或等于200mm的挤压棒材和型材A或D
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【英文标准名称】:Aerospaceseries.Aluminiumalloyal-P6082-T6.ExtrudedbarsandsectionsAorDinferiororequalto200mm.
【原文标准名称】:航空航天系列.铝合金AL-P6082-T6.200mm以下或等于200mm的挤压棒材和型材A或D
【标准号】:NFL14-050-1993
【标准状态】:现行
【国别】:法国
【发布日期】:1993-01-01
【实施或试行日期】:1993-01-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:轮廓;竿材;材料;尺寸;航天运输;铝;规范(验收);金属型材;铝合金;化学成分;航空运输;航空航天运输;金属带材;特性;飞行器;挤压的
【英文主题词】:
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:5P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforFlexuralPropertiesofUnreinforcedandReinforcedPlasticsandElectricalInsulatingMaterials
【原文标准名称】:非增强和增强塑料和电绝缘材料的挠性特性的标准试验方法
【标准号】:ASTMD790-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flexuralproperties;plastics;stiffness;strength;Electricalinsulatingplastics;Flexuraltesting--electricalinsulatingmaterials;Flexuraltesting--plastics;Reinforcedplastics;Stiffness--plastics;Unreinforcedplastics
【摘要】:Flexuralpropertiesasdeterminedbythesetestmethodsareespeciallyusefulforqualitycontrolandspecificationpurposes.Materialsthatdonotfailbythemaximumstrainallowedunderthesetestmethods(3-pointbend)maybemoresuitedtoa4-pointbendtest.Thebasicdifferencebetweenthetwotestmethodsisinthelocationofthemaximumbendingmomentandmaximumaxialfiberstresses.Themaximumaxialfiberstressesoccuronalineundertheloadingnosein3-pointbendingandovertheareabetweentheloadingnosesin4-pointbending.Flexuralpropertiesmayvarywithspecimendepth,temperature,atmosphericconditions,andthedifferenceinrateofstrainingasspecifiedinProceduresAandB(seealsoNote7).Beforeproceedingwiththesetestmethods,referenceshouldbemadetotheASTMspecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredintheASTMmaterialspecificationshalltakeprecedenceoverthosementionedinthesetestmethods.Table1inClassificationSystemD4000liststheASTMmaterialspecificationsthatcurrentlyexistforplastics.1.1Thesetestmethodscoverthedeterminationofflexuralpropertiesofunreinforcedandreinforcedplastics,includinghigh-moduluscompositesandelectricalinsulatingmaterialsintheformofrectangularbarsmoldeddirectlyorcutfromsheets,plates,ormoldedshapes.Thesetestmethodsaregenerallyapplicabletobothrigidandsemirigidmaterials.However,flexuralstrengthcannotbedeterminedforthosematerialsthatdonotbreakorthatdonotfailintheoutersurfaceofthetestspecimenwithinthe5.0%strainlimitofthesetestmethods.Thesetestmethodsutilizeathree-pointloadingsystemappliedtoasimplysupportedbeam.Afour-pointloadingsystemmethodcanbefoundinTestMethodD6272.1.1.1ProcedureA,designedprincipallyformaterialsthatbreakatcomparativelysmalldeflections.1.1.2ProcedureB,designedparticularlyforthosematerialsthatundergolargedeflectionsduringtesting.1.1.3ProcedureAshallbeusedformeasurementofflexuralproperties,particularlyflexuralmodulus,unlessthematerialspecificationstatesotherwise.ProcedureBmaybeusedformeasurementofflexuralstrengthonly.TangentmodulusdataobtainedbyProcedureAtendstoexhibitlowerstandarddeviationsthancomparabledataobtainedbymeansofProcedureB.1.2Comparativetestsmayberuninaccordancewitheitherprocedure,providedthattheprocedureisfoundsatisfactoryforthematerialbeingtested.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesprovidedinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThesetestmethodsarenottechnicallyequivalenttoISO178.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:11P.;A4
【正文语种】:英语
Product Code:SAE AMS1537
Title:Cleaner, Alkaline Hot-Tank Type
Issuing Committee:Ams J Aircraft Maintenance Chemicals And Materials Committee
Scope: This specification covers an alkaline cleaner in the form of a liquid for use above 65 掳C (154 掳F).
