【英文标准名称】:Metal-cladandstation-typecubicleswitchgear
【原文标准名称】:金属包覆固定式组合开关设备
【标准号】:IEEEC37.20.2-1987
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:StandardTestMethodforTransverseTensilePropertiesofHoopWoundPolymerMatrixCompositeCylinders
【原文标准名称】:环箍绕制的聚合物基体合成材料圆筒的横向抗拉性能的标准试验方法
【标准号】:ASTMD5450/D5450M-1993(2006)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;filamentwinding;Poisson'sratio;transversemodulusofelasticity;transversetensileproperties;tranversetensilestrength;tubes
【摘要】:Thistestmethodisusedtoproducetransversetensilepropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Factorswhichinfluencethetransversetensileresponseandshould,therefore,bereportedare:material,methodsofmaterialpreparation,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignmentandgripping,speedoftesting,voidcontent,andfibervolumefraction.Properties,inthetestdirection,whichmaybeobtainedfromthistestmethodinclude:5.1.1TransverseTensileStrength,5.1.2TransverseTensileStrainatFailure,5.1.3TransverseTensileModulusofElasticity,E22,and5.1.4Poissonrsquo;Ratio,x03C5;21.1.1Thistestmethoddeterminesthetransversetensilepropertiesofwoundpolymermatrixcompositesreinforcedbyhigh-moduluscontinuousfibers.Itdescribestestingofhoopwound(90176)cylindersinaxialtensionfordeterminationoftransversetensileproperties.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:8P.;A4
【正文语种】:英语