BS ISO 9022-15-1998 光学和光学仪器.环境试验方法.混合式数控宽带随机振动和干热或干冷
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【英文标准名称】:Opticsandopticalinstruments-Environmentaltestmethods-Combineddigitallycontrolledbroad-bandrandomvibrationanddryheatorcold
【原文标准名称】:光学和光学仪器.环境试验方法.混合式数控宽带随机振动和干热或干冷
【标准号】:BSISO9022-15-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-09-15
【实施或试行日期】:1998-09-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:光学;试样制备;环境试验;试验条件;干热试验;数字标志;冷式法;热试验;振动试验;光学仪器
【英文主题词】:Coldtests;Coldness;Cold-weathertests;Degreeofsharpness;Dry-heattests;Environmentaltesting;Environmentaltests;Heat;Lowtemperatures;Mechanicaltesting;Noise(spurioussignals);Opticalequipment;Opticalinstruments;Optics;Reproducibility;Stress;Testing;Testingconditions;Tests;Thermalstability;Vibration;Vibrationtesting;Widebandnoise
【摘要】:ThispartofISO9022specifiesmethodsfortestingofopticalinstrumentsandinstrumentscontainingopticalcomponents,underequivalentconditions,fortheirabilitytoresistcombinedbroad-banddigitallycontrolledrandomvibration,indryheatorcold.Thepurposeofthetestingistoinvestigatetowhatextenttheoptical,thermal,chemicalandelectricalperformancecharacteristicsofthespecimenareaffectedbycombinedbroad-banddigitallycontrolledrandomvibration,indryheatorcold.
【中国标准分类号】:N30
【国际标准分类号】:37_020
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforQuantitativeMeasurementandReportingofHypoeutectoidCarbonandLow-AlloySteelPhaseTransformations
【原文标准名称】:亚共析碳钢和低合金钢相位变换的定量测量和报告的标准规程
【标准号】:ASTMA1033-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A01.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:膨胀计测定法;相位变换;薄板;应变;碳钢;连续涂层变换数据;热膨胀计法;尺寸变化;高速膨胀测定法技术;亚共析钢相位变换;等温条件/测试;低合金钢;微观结构;相(位)分析;定量分析/测量;钢棒
【英文主题词】:dilatometry;phasetransformations;steel;strain;Carbonsteel;Continuouscoatingtransformationdata;Dilatometermethod;Dimensionalchange;Highspeeddilatometrytechniques;Hypoeuctectoidsteelphasetransformations;Isothermalconditions/testi
【摘要】:Thispracticeisusedtoprovidesteelphasetransformationdatarequiredforuseinnumericalmodelsforthepredictionofmicrostructures,properties,anddistortionduringsteelmanufacturing,forging,casting,heattreatment,andwelding.Alternatively,thepracticeprovidesendusersofsteelandfabricatedsteelproductsthephasetransformationdatarequiredforselectingsteelgradesforagivenapplicationbydeterminingthemicrostructureresultingfromaprescribedthermalcycle.Thereareavailableseveralcomputermodelsdesignedtopredictthemicrostructures,mechanicalproperties,anddistortionofsteelsasafunctionofthermalprocessingcycle.Theiruseispredicatedontheavailabilityofaccurateandconsistentthermalandtransformationstraindata.Strain,boththermalandtransformation,developedduringthermalcyclingistheparameterusedinpredictingbothmicrostructureandproperties,andforestimatingdistortion.Itshouldbenotedthatthesemodelsareundergoingcontinueddevelopment.Thisprocessisaimed,amongotherthings,atestablishingadirectlinkbetweendiscretevaluesofstrainandspecificmicrostructureconstituentsinsteels.Thispracticedescribesastandardizedmethodformeasuringstrainduringadefinedthermalcycle.Thispracticeissuitableforprovidingdataforcomputermodelsusedinthecontrolofsteelmanufacturing,forging,casting,heat-treating,andweldingprocesses.Itisalsousefulinprovidingdataforthepredictionofmicrostructuresandpropertiestoassistinsteelalloyselectionforend-useapplications.Thispracticeissuitableforprovidingthedataneededfortheconstructionoftransformationdiagramsthatdepictthemicrostructuresdevelopedduringthethermalprocessingofsteelsasfunctionsoftimeandtemperature.Suchdiagramsprovideaqualitativeassessmentoftheeffectsofchangesinthermalcycleonsteelmicrostructure.AppendixX2describesconstructionofthesediagrams.Itshouldberecognizedthatthermalandtransformationstrains,whichdevelopinsteelsduringthermalcycling,aresensitivetochemicalcomposition.Thus,anisotropyinchemicalcompositioncanresultinvariabilityinstrain,andcanaffecttheresultsofstraindeterminations,especiallydeterminationofvolumetricstrain.Strainsdeterminedduringcoolingaresensitivetothegrainsizeofaustenite,whichisdeterminedbytheheatingcycle.ThemostconsistentresultsareobtainedwhenaustenitegrainsizeismaintainedbetweenASTMgrainsizesof5to8.Finally,theeutectoidcarboncontentisdefinedas0.8%forcarbonsteels.Additionsofalloyingelementscanchangethisvalue,alongwithAc1andAc3temperatures.Heatingcyclesneedtobeemployed,asdescribedbelow,toensurecompleteformationofausteniteprecedingstrainmeasurementsduringcooling.1.1Thispracticecoversthedeterminationofhypoeutectoidsteelphasetransformationbehaviorbyusinghigh-speeddilatometrytechniquesformeasuringlineardimensionalchangeasafunctionoftimeandtemperature,andreportingtheresultsaslinearstrainineitheranumericalorgraphicalformat.1.2Thepracticeisapplicabletohigh-speeddilatometryequipmentcapableofprogrammablethermalprofilesandwithdigitaldatastorageandoutputcapability.1.3Thispracticeisapplicabletothedeterminationofsteelphasetransformationbehaviorunderbothisothermalandcontinuouscoolingconditions.1.4Thispracticeincludesrequirementsforobtainingmetallographicinformationtobeusedasasupplementtothedilatometrymeasurements.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoa......
【中国标准分类号】:H20
【国际标准分类号】:77_040_99
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:Rapiddeterminationofthenon-volatilemattercontent;foilmethodforresins,resinsolutions,paints,varnishesandsimilarcoatingmaterials
【原文标准名称】:不挥发成分含量的快速测定.树脂.树脂溶液.漆.涂料和类似涂层材料用薄膜法
【标准号】:DIN55671-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-07
【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】:材料;试验设备;涂料;含量测定;非挥发物测定;树脂(天然);箔;天然漆;覆层;定义;覆层材料;化学分析和试验;数学计算;试验;分析;塑料
【英文主题词】:plastics;analysis;lacquers;testing;coatingmaterials;foil;chemicalanalysisandtesting;coatings;materials;definitions;paints;determinationofcontent;mathematicalcalculations;non-volatilematterdet
【摘要】:
【中国标准分类号】:G50
【国际标准分类号】:5902
【页数】:4P;A4
【正文语种】:德语