ASTM C 751-2007 核纯级碳化硼丸的标准规范

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【英文标准名称】:Agriculturalmachinery-Frontloaders-Safety.
【原文标准名称】:农业机械.前悬挂式装载机.安全性.
【标准号】:NFU02-030-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-05-01
【实施或试行日期】:2010-05-21
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Agriculturalengineering;Agriculturalmachines;Agriculturaltractors;Agriculture;Anatomicalconfigurations;Construction;Control;Definitions;Design;Dimensions;Erecting(constructionoperation);Fallover;Forestry;Frontloaders;Information;Inspection;Latches;Loaders;Maintenance;Marking;Mechanicalcrimping;Mechanicalengineering;Operatinginstructions;Repairs;Safety;Safetyengineering;Safetyofmachinery;Safetyrequirements;Shearing;Specification(approval);Stability;Tractors
【摘要】:
【中国标准分类号】:T60
【国际标准分类号】:65_060_10
【页数】:26P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforApplicationofElectricalDischargeSurfaceTreatment(Activation)ofPlasticsforAdhesiveBonding
【原文标准名称】:粘结塑料的放电表面处理的应用标准规程
【标准号】:ASTMD6105-2004
【标准状态】:现行
【国别】:
【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】:D14.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:放电;塑料的粘结;高聚物;聚合材料;活化;表面;变更;表面处理
【英文主题词】:discharge;coronatreatment;modification;polymer;surface;surfacetreatment
【摘要】:Bondingofmanypolymericsubstratespresentsaproblemduetothelowwettabilityoftheirsurfacesandtheirchemicalinertness.Adhesivebondformationbeginswiththeestablishmentofinterfacialmolecularcontactbywetting.Wettabilityofasubstratesurfacedependsonitssurfaceenergy.Thesurfaceactivationwithelectricaldischargesimproveswettabilityofpolymersandsubsequentadhesivebonding.Thesurfaceactivationwithelectricaldischargesresultsinadditionofpolarfunctionalgroupsonthepolymersurface.Thehighertheconcentrationofpolarfunctionalgroupsonthesurfacethemoreactivelythesurfacereactswiththedifferentpolarinterfaces.Toachieveaproperadhesivebondthepolyolefinsubstratersquo;polarcomponentshouldberaisedfromnearzeroto15to20mJ/m2.Thepre-treatedsurfacesarereadyforapplicationoftheadhesiveimmediatelyafterthetreatment.1.1Thispracticecoversvariouselectricaldischargetreatmentstobeusedtoenhancetheabilityofpolymericsubstratestobeadhesivelybonded.ThispracticedoesnotincludeadditionalinformationonthepreparationoftestspecimensortestingconditionsastheyarecoveredinthevariousASTMtestmethodsorspecificationsforspecificmaterials.1.2Thetypesofdischargephenomenathatareusedforsurfacemodificationofpolymersfitintothegeneralcategoryofnonequilibriumornon-thermaldischargesinwhichelectrontemperature(meanenergy)greatlyexceedsthegastemperature.1.3Thetechnologiesincludedinthispracticeare:Note18212;Theterm"coronatreatment"hasbeenappliedsometimesintheliteraturetothedifferentelectricaldischargetreatmenttechnologiesdescribedinSection.ThispracticedefineseachelectricaldischargetreatmenttechnologyatatmosphericpressurepresentedinSectionanddrawsthenecessarydistinctionsbetweenthemandcoronadischarge.SeeTestMethodD1868for"coronadischarge."1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsappearinSection6.
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:5P.;A4
【正文语种】: