GB/T 5567-1994 橡胶、塑料软管及软管组合件真空性能的测定
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基本信息
| 标准名称： | 橡胶、塑料软管及软管组合件真空性能的测定 |
| 英文名称： | Rubber and plastics hoses and hose assemblies－Determination of suction resistance |
| 中标分类： |
化工 >>
橡胶制品及其辅助材料 >>
胶管、胶带、胶布 |
| ICS分类： |
流体系统和通用件 >>
管道部件和管道 >>
塑料管
|
| 替代情况： | 替代GB 5567-1985;被GB/T 5567-2006代替 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1994-01-02 |
| 实施日期： | 1994-10-01 |
| 首发日期： | 1985-10-26 |
| 作废日期： | 2007-06-01 |
| 主管部门： | 中国石油和化学工业协会 |
| 归口单位： | 全国橡胶与橡胶制品标准化技术委员会 |
| 起草单位： | 沈阳胶管总厂 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2006-07-16 |
| 页数： | 平装16开， 页数：4， 字数：4千字 |
| 书号： | 155066.1-10942 |
适用范围
本标准规定了抽、吸用软管被抽空到规定的负压后，软管内、外表面形状变化的试验方法。本标准中的A法适用于内径为80mm及80mm以下的软管，B法适用于内径为80mm以上的软管。
前言
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引用标准
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所属分类： 化工 橡胶制品及其辅助材料 胶管 胶带 胶布 流体系统和通用件 管道部件和管道 塑料管
【英文标准名称】:StandardTestMethodforPlastics:DynamicMechanicalProperties:InFlexure(DualCantileverBeam)
【原文标准名称】:塑料的标准试验方法:动态机械性能:弯曲(双悬臂梁)
【标准号】:ASTMD5418-2007
【标准状态】:现行
【国别】:
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:弹性模数;塑料;产品;流变性能;流变学;试验
【英文主题词】:dualcantilever;dynamicmechanicalrheologicalproperties;lineardisplacement;modulus(storage;viscous;lossmodulus;andcomplex);tandelta;viscoelasticbehavior
【摘要】:Thistestmethodprovidesasimplemeansofcharacterizingthethermomechanicalbehaviorofplasticcompositionsusingaverysmallamountofmaterial.Sincesmalltestspecimengeometriesareused,itisessentialthatthespecimensberepresentativeofthematerialbeingtested.Thedataobtainedcanbeusedforqualitycontroland/orresearchanddevelopmentpurposes.Forsomeclassesofmaterials,suchasthermosets,itcanalsobeusedtoestablishoptimumprocessingconditions.Dynamicmechanicaltestingprovidesasensitivemeansfordeterminingthermomechanicalcharacteristicsbymeasuringtheelasticandlossmoduliasafunctionoffrequency,temperature,ortime.Plotsofmoduliandtandeltaofamaterialversusthesevariablescanbeusedtoprovideagraphicrepresentationindicativeoffunctionalproperties,effectivenessofcure(thermosetting-resinsystems),anddampingbehaviorunderspecifiedconditions.Thistestmethodcanbeusedtoassessthefollowing:5.3.1Themodulusasafunctionoftemperatureoraging,orboth,5.3.2Themodulusasafunctionoffrequency,5.3.3Theeffectsofprocessingtreatment,includingorientation,inducedstress,anddegradationofphysicalandchemicalstructure,5.3.4Relativeresinbehavioralproperties,includingcureanddamping,5.3.5Theeffectsofsubstratetypesandorientation(fabrication)onelasticmodulus,and5.3.6Theeffectsofformulationadditivesthatmightaffectprocessabilityorperformance.Beforeproceedingwiththistestmethod,refertothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredintherelevantASTMmaterialspecificationshalltakeprecedenceoverthosementionedinthistestmethod.IftherearenorelevantASTMmaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethodoutlinestheuseofdynamicmechanicalinstrumentationfordeterminingandreportingtheviscoelasticpropertiesofthermoplasticandthermosettingresinsandcompositesystemsintheformofrectangularbarsmoldeddirectlyorcutfromsheets,plates,ormoldedshapes.Theelasticmodulusdatageneratedmaybeusedtoidentifythethermomechanicalpropertiesofaplasticsmaterialorcomposition.1.2Thistestmethodisintendedtoprovideameansfordeterminingtheviscoelasticpropertiesofawidevarietyofplasticsusingnonresonant,forced-vibrationtechniquesasoutlinedinPracticeD4065.Inparticular,thismethodidentifiestheproceduresusedtomeasurepropertiesusingwhatisknownasadual-cantileverbeamflexurearrangement.Plotsoftheelastic(storage)modulus,loss(viscous)modulus,andcomplexmodulus,andtandeltaasafunctionoffrequency,time,ortemperatureareindicativeofsignificanttransitionsinthethermomechanicalperformanceofthepolymericmaterialsystems.1.3Thistestmethodisvalidforawiderangeoffrequencies,typicallyfrom0.01to100Hz.1.4Apparentdiscrepanciesmayariseinresultsobtainedunderdifferingexperimentalconditions.Theseapparentdifferencesfromresultsobservedinanotherstudycanusuallybereconciled,withoutchangingtheobserveddata,byreportinginfull(asdescribedinthistestmethod)theconditionsunderwhichthedatawereobtained.1.5Testdataobtainedbythistestmethodarerelevantandappropriateforuseinengineeringdesign.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminethea......
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:4P.;A4
【正文语种】:
