EN ISO 21181-2006 轻型输送带.松弛弹性模量的测定
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【英文标准名称】:Lightconveyorbelts-Determinationoftherelaxedelasticmodulus(ISO21181:2005)EnglishversionofDINENISO21181:2007-05
【原文标准名称】:轻型输送带.松弛弹性模量的测定
【标准号】:ENISO21181-2006
【标准状态】:现行
【国别】:
【发布日期】:2007-05
【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】:输送带;定义;弹性(流体);轻(量级);物料装卸;数学计算;弹性模量;松弛;弹回;橡胶技术;带条;拉力;试验设备;试验报告;测试
【英文主题词】:Conveyorbelts;Definition;Definitions;Elasticproperties(fluids);Light(magnitude);Materialshandling;Mathematicalcalculations;Modulusofelasticity;Relaxation;Resilience;Rubbertechnology;Straps;Tensileforce;Testequipment;Testreports;Testing
【摘要】:
【中国标准分类号】:J81
【国际标准分类号】:53_040_20
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:Safetyinelectroheatinstallations-Part4:Particularrequirementsforarcfurnaceinstallations(IEC60519-4:1995);GermanversionEN60519-4:1997
【原文标准名称】:电热装置的安全.第4部分:针对电弧炉装置的特殊要求
【标准号】:DINEN60519-4-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-12
【实施或试行日期】:1997-12-01
【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】:安全要求;金属;还原炉;电加热装置;电弧炉;安全规则;电热;电热器;金属加工;职业安全;电气安全;工业;定义;炉;电气工程;安全工程;规范(验收);电弧熔炼炉;安全
【英文主题词】:
【摘要】:
【中国标准分类号】:K61
【国际标准分类号】:25_180_10
【页数】:16P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforPhotoelasticDeterminationofResidualStressinaTransparentGlassMatrixUsingaPolarizingMicroscopeandOpticalRetardationCompensationProcedures
【原文标准名称】:用偏光显微镜和光学延迟补偿方法在透明玻璃基质中测定光弹性残余应力的标准试验方法
【标准号】:ASTMC978-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:C14.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Glassenamelapplications;Graduatedquartzwedgeopticalretardationprocedure;Ionexchangematerials/applications;Lightexposure;Retardation;Matrixdata/programs;Microscopicexamination;Opticalmaterials/properties/tests;Opticalretardation;Phot
【摘要】:Thequalityandperformanceofanarticleofglasswaremaybeaffectednotonlybythepresenceofresidualstressesduetoheattreatmentabovethestrainpointintheware,butalsobyadditionalresidualstressescausedbydifferencesinthermalexpansionbetweentheglasssubstrate,andeithercord,fired-onvitreousenamel,orACLdecoration.Theeffectsofthoseadditionalresidualcord,enamel,orACLstressesandtheresultingperformanceofsuchitemsmaybeevaluatedbyperformancetestprocedures.SuchevaluationsofenamelorACLstressesmayalsobeaccomplishedthroughthedeterminationofappropriatephysicalpropertiesofthedecorationandmatrixglass,orbyanalyticalmethods.Thistestmethodoffersadirectandconvenientmeansofdeterminingthemagnitudesandspatialdistributionsofresidualstresssystemsinglasssubstrates.Thetestmethodissimple,convenient,andquantitativelyaccurate.ThistestmethodisusefulinevaluatingthedegreeofcompatibilitybetweenthecoefficientofthermalexpansionofanenamelorACLappliedtoaglasssubstrate.1.1Thistestmethodcoversthedeterminationofresidualstressesinatransparentglassmatrixbymeansofapolarizingmicroscopeusingnullorretardationcompensationprocedures.1.2Suchresidualstressdeterminationsareofimportanceinevaluatingthenatureanddegreeofresidualstressespresentinglassmatrixesduetocord,orthedegreeoffit,orsuitabilityofaparticularcombinationofglassmatrixandenamel,orappliedcolorlabel(ACL).1.3TheretardationcompensationmethodofopticallydeterminingandevaluatingenamelorACLresidualstresssystemsoffersdistinctadvantagesovermethodsrequiringphysicalpropertymeasurementsorwareperformancetestsduetoitssimplicity,reproducibility,andprecision.1.4Limitations8212;Thistestmethodisbasedonthestress-opticalretardationcompensationprinciple,andisthereforeapplicableonlytotransparentglasssubstrates,andnottoopaqueglasssystems.1.5Duetothepossibilityofadditionalresidualstressesproducedbyionexchangebetweenglassesofdifferentcompositions,someuncertaintymaybeintroducedinthevalueofthestressopticalcoefficientinthepointofinterestduetoalackofaccurateknowledgeofchemicalcompositionintheareasofinterest.1.6Thistestmethodisquantitativelyapplicabletoandvalidonlyforthoseapplicationswheresuchsignificantionexchangeisnotafactor,andstressopticalcoefficientsareknownordeterminable.1.7Theextentoftheionexchangeprocess,andhencethemagnitudesoftheresidualstressesproducedduetoionexchangewilldependontheexchangeprocessparameters.Theresidualstressdeterminationsmadeonsystemsinwhichionexchangehasoccurredshouldbeinterpretedwiththosedependenciesinmind.1.8ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q30
【国际标准分类号】:81_040_10
【页数】:9P.;A4
【正文语种】:英语
