EN 12028-1996 胶粘带.静力伸长测量
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【英文标准名称】:Selfadhesivetapes-Measurementofelongationunderstaticload;GermanversionEN12028:1996
【原文标准名称】:胶粘带.静力伸长测量
【标准号】:EN12028-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-07
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;包装;延伸;测量技术;胶粘带;静荷载;抗拉强度;粘接带
【英文主题词】:Adhesivetapes;Elongation;Measurement;Measuringtechniques;Packaging;Splicingtapes;Staticloading;Strainbehaviour;Tensileforce;Tensilestrength;Testing
【摘要】:
【中国标准分类号】:G39
【国际标准分类号】:83_180
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Insulating,sheathingandcoveringmaterialsforlowvoltageenergycables-Part2-1:Cross-linkedelastomericsheathingcompounds;GermanversionEN50363-2-1:2005/A1:2011
【原文标准名称】:低压电缆用绝缘,铠装和包覆材料.第2-1部分:交联弹性铠装化合物.德文版本EN50363-2-1-2005/A1-2011
【标准号】:DINEN50363-2-1/A1-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-03
【实施或试行日期】:2012-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cablesheaths;Carbonblackcontent;Claddingmaterials;Coveringmaterials;Cross-linkedmaterials;Elastomers;Electriccables;Electricalcords;Electricalengineering;Electricalinsulatingmaterials;Electricalinsulation;Expansiontests;Insulatedcables;Insulatedcords;Insulatingcompounds;Insulatingmaterials;Lowvoltage;Low-tensioncables;Materials;Mechanicalproperties;Ozoneresistance;Properties;Sheathedcables;Sheathingcompounds;Sheathings;Testing;Testingrequirements;Typeofmixing
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforCreep-FatigueCrackGrowthTesting
【原文标准名称】:蠕变—疲劳龟裂增大试验的标准试验方法
【标准号】:ASTME2760-2010
【标准状态】:现行
【国别】:美国
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compactspecimens;cracks;crackgrowth;creep;fatigue;metals
【摘要】:Creep-fatiguecrackgrowthtestingistypicallyperformedatelevatedtemperaturesoverarangeoffrequenciesandhold-timesandinvolvesthesequentialorsimultaneousapplicationoftheloadingconditionsnecessarytogeneratecracktipcyclicdeformation/damageenhancedbycreepdeformation/damageorviceversa.Unlesssuchtestsareperformedinvacuumoraninertenvironment,oxidationcanalsoberesponsibleforimportantinteractioneffectsrelatingtodamageaccumulation.Thepurposeofcreep-fatiguecrackgrowthtestscanbetodeterminematerialpropertydatafor(a)assessmentinputdataforthedamageconditionanalysisofengineeringstructuresoperatingatelevatedtemperatures,(b)materialcharacterization,or(c)developmentandverificationofrulesfordesignandlifeassessmentofhigh-temperaturecomponentssubjecttocyclicservicewithlowfrequenciesorwithperiodsofsteadyoperation,oracombinationthereof.Ineverycase,itisadvisabletohavecomplementarycontinuouscyclingfatiguedata(gatheredatthesameloading/unloadingrate),creepcrackgrowthdataforthesamematerialandtesttemperature(s)asperTestMethodE1457,andcreep-fatiguecrackformationdataasperTestMethodE2714.Aggressiveenvironmentsathightemperaturescansignificantlyaffectthecreep-fatiguecrackgrowthbehavior.Attentionmustbegiventotheproperselectionandcontroloftemperatureandenvironmentinresearchstudiesandingenerationofdesigndata.Resultsfromthistestmethodcanbeusedasfollows:Establishmaterialselectioncriteriaandinspectionrequirementsfordamagetolerantapplicationswherecyclicloadingatelevatedtemperatureispresent.Establish,inquantitativeterms,theindividualandcombinedeffectsofmetallurgical,fabrication,operatingtemperature,andloadingvariablesoncreep-fatiguecrackgrowthlife.Theresultsobtainedfromthistestmethodaredesignedforcrackdominantregimesofcreep-fatiguefailureandshouldnotbeappliedtocracksinstructureswithwide-spreadcreepdamage.Localizeddamageinasmallzonearoundthecracktipispermissible,butnotinazonethatiscomparableinsizetothecracksizeortheremainingligamentsize.1.1Thistestmethodcoversthedeterminationofcreep-fatiguecrackgrowthpropertiesofnominallyhomogeneousmaterialsbyuseofpre-crackedcompacttype,C(T),testspecimenssubjectedtouniaxialcyclicforces.Itconcernsfatiguecyclingwithsufficientlylongloading/unloadingratesorhold-times,orboth,tocausecreepdeformationatthecracktipandthecreepdeformationberesponsibleforenhancedcrackgrowthperloadingcycle.Itisintendedasaguideforcreep-fatiguetestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Therefore,thismethodrequirestestingofatleasttwospecimensthatyieldoverlappingcrackgrowthratedata.Thecyclicconditionsresponsibleforcreep-fatiguedeformationandenhancedcrackgrowthvarywithmaterialandwithtemperatureforagivenmaterial.Theeffectsofenvironmentsuchastime-dependentoxidationinenhancingthecrackgrowthratesareassumedtobeincludedinthetestresults;itisthusessentialtoconducttestinginanenvironmentthatisrepresentativeoftheintendedapplication.1.2Twotypesofcrackgrowthmechanismsareobservedduringcreep/fatiguetests:(1)time-dependentintergranularcreepand(2)cycledependenttransgranularfatigu......
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:19P.;A4
【正文语种】:英语
