HB 5434.9-2004 航空机轮磨擦材料试验方法 第9部分:拉伸强度测定方法
作者:标准资料网 时间:2024-05-13 04:34:43 浏览:9856
来源:标准资料网
基本信息
| 标准名称： | 航空机轮磨擦材料试验方法 第9部分:拉伸强度测定方法 |
| 英文名称： | Test methods for aircraft wheel friction materials -- Part9: Test method for tensile strength |
| 中标分类： |
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| ICS分类： |
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| 替代情况： | HB 5434.9-1989 |
| 发布日期： | 2004-09-01 |
| 实施日期： | 2004-12-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 7页 |
适用范围
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所属分类：
【英文标准名称】:Limitofdetectionandlimitofdecisionfornuclearradiationmeasurements;countingmeasurementsneglectingtheinfluenceofsampletreatment
【原文标准名称】:核辐射测量的验算极限和鉴定极限.第1部分:不考虑样品处理影响的计数测量法
【标准号】:DIN25482-1-1989
【标准状态】:作废
【国别】:德国
【发布日期】:1989-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;辐射;辐射测量;核辐射;测量;核技术;数学计算;定义;额定值;放射性
【英文主题词】:Definition;Definitions;Mathematicalcalculations;Measurement;Nuclearradiation;Nucleartechnology;Radiation;Radiationmeasurement;Radioactivity;Ratings;Symbols
【摘要】:Thescopeofthisstandardconcernsthatpartofnuclearmeasurementtechniqueinwhich(forinstancerelatingtoprobes)thenumberofevents(especiallypulses)isdirectlyrecorded.Ittakesintoaccountonlythestatisticalcharacterofradioactivedecayandpulsecountingandleavesoutofconsiderationotherinfluences.Itpresumensthedurationofmeasurementtobeshortcomparedwiththehalflifeofradionuclidesandneglectspossibledeadtimesofapparaturused.Thepurposeofthestandardistofixsuitablecharacteristicvalues,permittinganeutralestimantionofpossibledetectableresultsofnuclearradiationandradioactivitymeasurements.#,,#
【中国标准分类号】:F70
【国际标准分类号】:17_240
【页数】:10P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasurementofPropertiesofThermoplasticMaterialsbyScrew-ExtrusionCapillaryRheometer
【原文标准名称】:用螺杆挤压毛细管流变仪测量热塑性塑料性能的标准试验方法
【标准号】:ASTMD5422-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料
【英文主题词】:capillaryrheometer;flowproperties;materialproperties;molecularproperties;rheologicalproperties;rheology;screwextrusion
【摘要】:Thistestmethodisusefulforthecharacterizationofthermoplasticsandthermoplasticcompounds,intermsofviscosity,orresistancetoflow.Thedataproducedbythistestmethodhasbeenfoundusefulinbothquality-controltestingandcompounddevelopment.However,directcorrelationwithfactoryconditionsisnotimplied.Flow-performancedatapermitsqualitycontrolofincomingthermoplasticsandthermoplasticcompoundsbecausetheflowparametersaresensitivetomolecularweightandmolecular-weightdistribution.Therefore,thistestmethodmaydistinguishdifferencesbetweenlots.Theshearviscosityorflowviscosityofthermoplasticsandthermoplasticcompoundswillnotonlybesensitivetotheraw-polymermolecularproperties,butwillalsobeaffectedbythetypeandamountoffiller,additive,plasticizer,orstabilizer,bythetypeofcopolymerblend,andbytheadditionofothercompoundingmaterials.Thistestmethodcanserveasaquality-controltoolforeitherincomingmaterialsorforin-housequality-assurancechecksonproductionmixing.Thistestmethodisusefultotheresearchanddevelopmentofnewproductsinthattherheologicalbehaviorofayetuncharacterizedthermoplasticorthermoplasticcompoundcanbemeasuredandconsideredforcomparativeanalysis.1.1Thistestmethodcoverstheuseofascrew-extrusion-typecapillaryrheometerforthemeasurementofflowpropertiesofthermoplasticsandthermoplasticcompounds.Themeasuredflowproperties,whichareobtainedthroughlaboratoryinvestigation,mayhelptodescribethematerialbehaviorthatoccursinfactoryprocessing.1.2Sinceascrew-typecapillaryrheometerimpartsshearenergytothematerialduringtesting,themeasurementswillusuallydifferfromthoseobtainedwithapiston-typecapillaryrheometer(seeTestMethodD3835).1.3CapillaryrheometermeasurementsforthermoplasticsandthermoplasticcompoundsaredescribedinTestMethodD3835.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1--ThereiscurrentlynoequivalentISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:7P.;A4
【正文语种】:
