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HB 4236-1989 安装钢丝螺套通孔的机、手用丝锥 普通钢用(用于ST6×1、ST7×1)

作者:标准资料网 时间:2024-05-04 10:01:26  浏览:9719   来源:标准资料网
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基本信息
标准名称:安装钢丝螺套通孔的机、手用丝锥 普通钢用(用于ST6×1、ST7×1)
中标分类:
替代情况:被HB 4236-2004代替
发布日期:1989-05-13
实施日期:1989-12-01
首发日期:1900-01-01
作废日期:2004-12-01
出版日期:1900-01-01
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【英文标准名称】:StandardTestMethodforRubberProperty-MeasurementoftheViscousandElasticBehaviorofUnvulcanizedRawRubbersandRubberCompoundsbyCompressionBetweenParallelPlates
【原文标准名称】:通过平行板之间压缩的橡胶化合物和非含硫生橡胶黏性和弹性的橡胶特性测定的标准试验方法
【标准号】:ASTMD6049-2003(2008)
【标准状态】:现行
【国别】:美国
【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】:D11.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressionandrecovery;compressionforcetest;elasticbehavior;elasticproperties;elasticrecovery;elasticity;materialfatigue;non-Newtonianviscosity;parallelplate;viscosity;viscousbehavior
【摘要】:Theviscousandelasticbehaviorofunvulcanizedrubbersandrubbercompoundsisofparamountimportanceinrubbermanufacturing,sinceitaffectsprocessing,suchasmixing,calendering,extrusion,andmolding.Theuniformityofthesepropertiesisequallyimportant,asfluctuationswillcauseupsetsinmanufacturingprocesses.Atestcapableofmeasuringviscosityandelasticityofunvulcanizedrubbersandrubbercompounds,includingtheiruniformityandpredictionofprocessingbehavior,isthereforehighlydesirable(seePracticeD6048forfurtherinformation).Comparedtomanyotherrheologicaltests,thistestmethodmeasuresviscosityandelasticityrelatedparametersunderconditionsoflowshearandhasahighdiscriminatingpower.Itcandetectsmallrheologicaldifferences.AfulldiscussionoftheprinciplesbehindstressrelaxationtestingisgiveninPracticeD6048.Testresultsofthistestmethodmaybeusefulinpredictingprocessability,butcorrelationwithactualmanufacturingprocessesmustbeestablishedineachindividualcase,sinceconditionsvarytoowidely.Thistestmethodissuitableforspecificationcompliancetesting,qualitycontrol,refereepurposes,andresearchanddevelopmentwork.1.Scope1.1ThistestmethodisanadaptationoftheGermanStandardDIN53514,afurtherdevelopmentoftheformer"DefoTest"(see).1.2Thistestmethodiscapableofmeasuringandcharacterizingtherheologicalbehavior(viscosityandelasticity)ofunvulcanizedrawrubbersandrubbercompounds,relatingtothemacrostructureofrubberpolymers(averagemolecularweight,molecularweightdistribution,longchainbranching,andmicro-andmacro-gel).1.3Theviscosityandelasticityofunvulcanizedrubbersandrubbercompoundsaredeterminedbysubjectingcylindricaltestpiecestoacompression/recoverycycle.Thedependencyonshearrateatconstantshearstressisevaluatedandthematerialfatiguebehaviorisdeterminedinrepeatcycletesting.1.4Thenon-Newtonianviscousandelasticbehaviorofrubbersandrubbercompoundscanalsobeevaluated.1.5Statisticalevaluationofthetestdataprovidesanindicationofdatavariation,whichmaybeemployedasanestimateofthehomogeneityofthematerialtested.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Testmethodsfortranslucencyofceramicarticles;GermanversionEN1184:1997
【原文标准名称】:接触食品的材料和物品.陶瓷器件透明度试验方法
【标准号】:DINEN1184-1997
【标准状态】:现行
【国别】:德国
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试件;陶瓷;定量分析;厚度;接触食品的材料;物品;餐具;透明软片;透明度;定性分析;食品;玻璃杯;材料;材料试验;试验;定义
【英文主题词】:Articles;Ceramics;Definition;Definitions;Foodproducts;Glasses(drinking);Materials;Materialsincontactwithfood;Materialstesting;Qualitativeanalysis;Quantitativeanalysis;Tableware;Testpieces;Te
【摘要】:Thisdocumentspecifiestestmethodsforthedeterminationofthetranslucencyofceramicarticles.Twotestmethodsaredescribed:TestmethodA,aqualitativemethodforestimatingtranslucency,applicabletoceramicarticleswithinaspecifiedthicknessrange.TestmethodB,aquantitativemethodforthedeterminationofbodytranslucencyrequiringtestspecimenstobecutfromceramicarticles.#,,#
【中国标准分类号】:X08
【国际标准分类号】:67_250
【页数】:6P;A4
【正文语种】:德语



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