ASTM A 736/A 736M-1988 低碳时效硬化的镍铜铬钼铌和镍铜锰钼铌合金钢压力容器板
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来源:标准资料网
【英文标准名称】:StandardSpecificationforPressureVesselPlates,Low-CarbonAge-HardeningNickel-Copper-Chromium-Molybdenum-ColumbiumandNickel-Copper-Manganese-Molybdenum-ColumbiumAlloySteel
【原文标准名称】:低碳时效硬化的镍铜铬钼铌和镍铜锰钼铌合金钢压力容器板
【标准号】:ASTMA736/A736M-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:铬;铜;锰;铌;钢;压力容器;板;镍;合金钢;钼
【英文主题词】:alloysteels;chromium;niobium;manganese;molybdenum;copper;pressurevessels;steels;nickel;plates
【摘要】:
【中国标准分类号】:H46
【国际标准分类号】:77_140_30
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPlastics:DynamicMechanicalProperties:MeltRheology
【原文标准名称】:塑料的标准试验方法:动力机械性能:熔体流变学
【标准号】:ASTMD4440-2007
【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(ASTM)
【起草单位】:D20.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:测量;熔化;塑料;高聚物;工艺;流变性能
【英文主题词】:
【摘要】:Thistestmethodprovidesasimplemeansofcharacterizingtheimportantrheologicalpropertiesandviscosityofthermoplasticpolymersusingverysmallamountsofmaterial(approximately25to50mmindiameterby1to3mminthickness...approximately3to5g).Datamaybeusedforqualitycontrol,researchanddevelopment,andestablishmentofoptimumprocessingconditions.Dynamicmechanicaltestingprovidesasensitivemethodfordeterminingmoltenpolymerpropertiesbymeasuringtheelasticandlossmoduliasafunctionoffrequency,strain,temperature,ortime.Plotsofviscosity,storage,andlossmoduli,andtandeltaasafunctionoftheaforementionedprocessparametersprovidegraphicalrepresentationindicativeofmolecularweight,molecularweightdistribution,effectsofchainbranching,andmelt-processabilityforspecifiedconditions.Valuesobtainedinthistestmethodcanbeusedtoassessthefollowing:5.3.1Complexviscosityofthepolymermeltasafunctionofdynamicoscillation,5.3.2Processingviscosity,minimumaswellaschangesinviscosityasafunctionofexperimentalparameters,5.3.3Effectsofprocessingtreatment,5.3.4Relativepolymerbehavioralproperties,includingviscosityanddamping,and5.3.5Effectsofformulationadditivesthatmightaffectprocessabilityorperformance.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredintherelevantASTMmaterialsspecificationshalltakeprecedenceoverthosementionedinthetestmethod.IftherearenorelevantASTMmaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethodoutlinestheuseofdynamicmechanicalinstrumentationindeterminingandreportingtherheologicalpropertiesofthermoplasticresinsandothertypesofmoltenpolymers.Itmaybeusedasamethodfordeterminingthecomplexviscosityandothersignificantviscoelasticcharacteristicsofsuchmaterialsasafunctionoffrequency,strainamplitude,temperature,andtime.Suchpropertiesmaybeinfluencedbyfillersandotheradditives.1.2Itincorporatesalaboratorytestmethodfordeterminingtherelevantrheologicalpropertiesofapolymermeltsubjectedtovariousoscillatorydeformationsonaninstrumentofthetypecommonlyreferredtoasamechanicalordynamicspectrometer.1.3Thistestmethodisintendedtoprovideameansofdeterminingtherheologicalpropertiesofmoltenpolymers,suchasthermoplasticsandthermoplasticelastomersoverarangeoftemperaturesbynonresonant,forced-vibrationtechniques.Plotsofmodulus,viscosity,andtandeltaasafunctionofdynamicoscillation(frequency),strainamplitude,temperature,andtimeareindicativeoftheviscoelasticpropertiesofamoltenpolymer.1.4Thistestmethodisvalidforawiderangeoffrequencies,typicallyfrom0.01to100Hz.1.5Thistestmethodisintendedforhomogenousandheterogeneousmoltenpolymericsystemsandcompositeformulationscontainingchemicaladditives,includingfillers,reinforcements,stabilizers,plasticizers,flameretardants,impactmodifiers,processingaids,andotherimportantchemicaladditivesoftenincorporatedintoapolymericsystemforspecificfunctionalproperties,andwhichcouldaffecttheprocessabilityandfunctionalperformance.Thesepolymericmaterialsystemshavemoltenviscositiestypicallylessthan106Pas(107poise).1.6Apparentdiscrepanciesmayariseinresultsobtainedunderdifferingexperimentalconditions.Withoutchangingtheobserveddata,reportinginfull(asdescribedinthistestmethod)thecond......
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
Product Code:SAE AMS7496
Title:Rings, Flash Welded, Carbon and Low-Alloy Steels
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers flash welded rings fabricated from carbon and low-alloy steels.
