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ANSI/ASTM D2766-1995 测定液体和固体比热容的试验方法(05.02)

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【英文标准名称】:TestMethodforSpecificHeatofLiquidsandSolids(05.02)
【原文标准名称】:测定液体和固体比热容的试验方法(05.02)
【标准号】:ANSI/ASTMD2766-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;试验
【英文主题词】:Liquids;Lubricants;Petroleumproducts;Solids;Specificheat;Testing
【摘要】:Thistestmethodcoversthedeterminationoftheheatcapacityofliquidsandsolids.Itisapplicabletoliquidsandsolidsthatarechemicallycompatiblewithstainlesssteel,thathaveavaporpressurelessthan13.3kPa(100torr),andthatdonotundergophasetransformationthroughouttherangeoftesttemperatures.Thespecificheatofmaterialswithhighervaporpressurescanbedeterminediftheirvaporpressuresareknownthroughouttherangeoftesttemperatures.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforTransitionTemperaturesandEnthalpiesofFusionandCrystallizationofPolymersbyDifferentialScanningCalorimetry
【原文标准名称】:用差示扫描量热法测定聚合物转变温度的标准试验方法
【标准号】:ASTMD3418-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:crystallization;crystallizationtemperature;differentialscanningcalorimetry(DSC);enthalpy;first-ordertransition;glasstransition;heatofcrystallization;heatoffusion;heatoftransition;melting;meltingtemperature;polymer;tran
【摘要】:Thermalanalysisprovidesarapidmethodformeasuringtransitionsduetomorphologicalorchemicalchanges,inapolymerasitisheated/cooledthroughaspecifiedtemperaturerange.Changeinspecificheatcapacity,heatflowandtemperaturevaluesaredeterminedforthesetransitions.Differentialscanningcalorimetryisusedtoassistinidentifyingspecificpolymers,polymeralloys,andcertainpolymeradditives,whichexhibitthermaltransitions.Chemicalreactionsthatcauseoraffectcertaintransitionshavebeenmeasuredwiththeaidofthistechnique;suchreactionsincludeoxidation,curingofthermosettingresins,andthermaldecomposition.Thistestmethodisusefulforspecificationacceptance,processcontrol,andresearch.1.1Thistestmethodcoversdeterminationoftransitiontemperaturesandenthalpiesoffusionandcrystallizationofpolymersbydifferentialscanningcalorimetry.Note18212;Trueheatsoffusionaretobedeterminedinconjunctionwithstructureinvestigation,andfrequently,specializedcrystallizationtechniquesareneeded.1.2Thistestmethodisapplicabletopolymersingranularformortoanyfabricatedshapefromwhichitispossibletocutappropriatespecimens.1.3Thenormaloperatingtemperaturerangeisfromthecryogenicregionto600x00B0;C.Certainequipmentallowsthetemperaturerangetobeextended.1.4ThevaluesstatedinSIunitsarethestandard.Note28212;Thistestmethoddoesnotapplytoalltypesofpolymersaswritten(see6.8).1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note38212;ThisstandardissimilarbutnotequivalenttoISO11357-1,-2,-3.TheISOproceduresprovideadditionalinformationnotsuppliedbythistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:7P.;A4
【正文语种】:英语


Product Code:SAE AS1579
Title:Fitting End, Integral Weld, Lip, Design Standard
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.