NF M88-765-1975 家用商用丁烷用低压固定调节减压阀.制造.功能.试验
时间:2024-05-12 18:51:52 来源: 标准资料网 作者：标准资料网 阅读：8189
【英文标准名称】:FIXEDADJUSTMENT,LOWPRESSURE,REDUCINGVALVEFORCOMMERCIALBUTANEFORDOMESTICUSECONSTRUCTION,OPERATION,TESTS.
【原文标准名称】:家用商用丁烷用低压固定调节减压阀.制造.功能.试验
【标准号】:NFM88-765-1975
【标准状态】:作废
【国别】:法国
【发布日期】:1975-03
【实施或试行日期】:1975-02-26
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:23_060_40;13_300;23_020_30
【页数】:14P;A4
【正文语种】:其他
MIL-STD-906A (NOTICE 1), MILITARY STANDARD, SANITARY STANDARDS FOR ICE PLANTS (16 SEPT 1998)., MIL-STD-906A, dated 1 March 1990, is hereby canceled without replacement.【英文标准名称】:StandardTestMethodforMeasuringtheDamageResistanceofaFiber-ReinforcedPolymer-MatrixCompositetoaConcentratedQuasi-StaticIndentationForce
【原文标准名称】:测量聚合物基复合材料集中准静态压痕损伤的标准试验方法
【标准号】:ASTMD6264/D6264M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:D30.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;damageresistance;delamination;dent;impact;quasi-staticindentation
【摘要】:1.1Thistestmethoddeterminesthedamageresistanceofmultidirectionalpolymermatrixcompositelaminatedplatessubjectedtoaconcentratedindentationforce(Fig.1).Proceduresarespecifiedfordeterminingthedamageresistanceforatestspecimensupportedoveracircularopeningandforarigidly-backedtestspecimen.Thecompositematerialformsarelimitedtocontinuous-fiberreinforcedpolymermatrixcomposites,withtherangeofacceptabletestlaminatesandthicknessesdefinedin8.2.Thistestmethodmayproveusefulforothertypesandclassesofcompositematerials.1.2Aflat,squarecompositeplateissubjectedtoanout-of-plane,concentratedforcebyslowlypressingahemisphericalindenterintothesurface.Thedamageresistanceisquantifiedintermsofacriticalcontactforcetocauseaspecificsizeandtypeofdamageinthespecimen.1.3Thetestmethodmaybeusedtoscreenmaterialsfordamageresistance,ortoinflictdamageintoaspecimenforsubsequentdamagetolerancetesting.TheindentedplatecanbesubsequentlytestedinaccordancewithTestMethodD7137/D7137Mtomeasureresidualstrengthproperties.Drop-weightimpactperTestMethodD7136/D7136Mmaybeusedasanalternatemethodofcreatingdamagefromanout-of-planeforceandmeasuringdamageresistanceproperties.1.4Thedamageresistancepropertiesgeneratedbythistestmethodarehighlydependentuponseveralfactors,whichincludespecimengeometry,layup,indentergeometry,force,andboundaryconditions.Thus,resultsaregenerallynotscalabletootherconfigurations,andareparticulartothecombinationofgeometricandphysicalconditionstested.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P.;A4
【正文语种】:英语