ISO 376-2011 金属材料.单轴试验机的检验用测力仪的校准
时间:2024-05-15 04:46:33 来源: 标准资料网 作者：标准资料网 阅读：8517
【英文标准名称】:Metallicmaterials-Calibrationofforce-provinginstrumentsusedfortheverificationofuniaxialtestingmachines
【原文标准名称】:金属材料.单轴试验机的检验用测力仪的校准
【标准号】:ISO376-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC164
【标准类型】:()
【标准水平】:()
【中文主题词】:校准;分类;定义(术语);变形测量;尺寸规格;功率计;力;力的测量;力敏装置;指示装置;检验;负荷;材料测试机;材料;材料试验;测量;测量仪器;坐标测量机;金属材料;金属;仪表;单轴向;静态的;静荷载;应变;应力;符号;温度;抗拉测试;试验设备;试验;试验装置;单位;利用;验证;电压测量
【英文主题词】:Calibration;Classification;Definitions;Deformationmeasurements;Dimensions;Dynamometers;Force;Forcemeasurement;Force-sensingdevices;Indicatingdevices;Inspection;Loading;Materialtestingmachines;Materials;Materialstesting;Measurement;Measuringinstruments;Measuringmachines;Metallicmaterials;Metals;Meters;Single-axle;Static;Staticloading;Strain;Stress;Symbols;Temperature;Tensiletesting;Testequipment;Testing;Testingdevices;Units;Utilization;Verification;Voltagemeasuring
【摘要】:
【中国标准分类号】:N74
【国际标准分类号】:77_040_10
【页数】:30P;A4
【正文语种】:英语
【英文标准名称】:Superconductivity-Part1:Criticalcurrentmeasurement-DCcriticalcurrentofNb-Ticompositesuperconductors
【原文标准名称】:超导性.第1部分:临界电流测量.铌-钛复合超导体的临界直流电流
【标准号】:IEC61788-1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC90
【标准类型】:()
【标准水平】:()
【中文主题词】:铜;临界电流;临界数据;电流测量;定义;直流电流;电气工程;测量;测量技术;铌;超导性;超导体;试验;钛
【英文主题词】:Copper;Criticalcurrent;Criticalitydata;Currentmeasurement;Definitions;Directcurrent;Electricalengineering;Interpretations;Measuredvalue;Measurement;Measuringcoils;Measuringtechniques;Niobium;Specimenpreparation;Superconductivity;Superconductors;Testing;Testingdevices;Titanium
【摘要】:ThispartofIEC61788coversatestmethodforthedeterminationofthed.c.criticalcurrentofeitherCu/Nb-Ticompositesuperconductorsthathaveacopper/superconductorratiolargerthan1orCu/Cu-Ni/Nb-Tiwiresthathaveacopper/superconductorratiolargerthan0,9andacopperalloy(Cu-Ni)/superconductorratiolargerthan0,2,wherethediameterofNb-Tisuperconductingfilamentsislargerthan1μm.ThechangesfortheCu/Cu-Ni/Nb-TiaredescribedinAnnexC.TheCu-NiusesallofthemainpartofthestandardwiththeexceptionslistedinAnnexCthatreplace(andinsomecasesarecounterto)someofthestepsinthemaintext.Thismethodisintendedforusewithsuperconductorsthathavecriticalcurrentslessthan1000Aandn-valueslargerthan12,understandardtestconditionsandatmagneticfieldslessthanorequalto0,7oftheuppercriticalmagneticfield.Thetestspecimenisimmersedinaliquidheliumbathataknowntemperatureduringtesting.Thetestconductorhasamonolithicstructurewitharoundorrectangularcross-sectionalareathatislessthan2mm2.Thespecimengeometryusedinthistestmethodisaninductivelycoiledspecimen.Deviationsfromthistestmethodthatareallowedforroutinetestsandotherspecificrestrictionsaregiveninthisstandard.Testconductorswithcriticalcurrentsabove1000Aorcross-sectionalareasgreaterthan2mm2couldbemeasuredwiththepresentmethodwithananticipatedincreaseinuncertaintyandamoresignificantself-fieldeffect(seeAnnexB).Other,morespecialized,specimentestgeometriesmaybemoreappropriateforlargerconductortestingwhichhavebeenomittedfromthispresentstandardforsimplicityandtoretainaloweruncertainty.Thetestmethodgiveninthisstandardisexpectedtoapplytoothersuperconductingcompositewiresaftersomeappropriatemodifications.
【中国标准分类号】:K10
【国际标准分类号】:17_220;29_050
【页数】:57P;A4
【正文语种】:英语
【英文标准名称】:StandardClassificationSystemforPolyketoneInjectionMoldingandExtrusionMaterials(PK)
【原文标准名称】:聚合注塑和挤压成型材料的标准分类系统
【标准号】:ASTMD5990-2000
【标准状态】:作废
【国别】:
【发布日期】:2000
【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】:D20.15
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:
【英文主题词】:classification;classificationsystem;linecallout;plasticmaterials;polyketone;NumberCode83.080.01(Plastingeneral)
【摘要】:1.1Thisclassificationsystemcoverspolyketonematerialssuitableforinjectionmoldingandextrusion.Thisclassificationsystemdoesnotaddressrecycledpolyketonematerials.1.2Thepropertiesincludedinthisclassificationsystemaret
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:4P.;A4
【正文语种】: