ASTM G87-2002(2007) 对金属进行潮湿二氧化硫(SO2)的腐蚀试验的标准实施规程
时间:2024-05-12 10:50:05 来源: 标准资料网 作者：标准资料网 阅读：9238
【英文标准名称】:StandardPracticeforConductingMoistSO2Tests
【原文标准名称】:对金属进行潮湿二氧化硫(SO2)的腐蚀试验的标准实施规程
【标准号】:ASTMG87-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:G01.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;潮气;磨损;金属;试验
【英文主题词】:apparatus;specimen;moisture;sulfur;dioxide;exposure
【摘要】:Moistaircontainingsulfurdioxidequicklyproduceseasilyvisiblecorrosiononmanymetalsinaformresemblingthatoccurringinindustrialenvironments.Itisthereforeatestmediumwellsuitedtodetectporesorothersourcesofweaknessinprotectivecoatingsanddeficienciesincorrosionresistanceassociatedwithunsuitablealloycompositionortreatments.Theresultsobtainedinthetestshouldnotberegardedasageneralguidetothecorrosionresistanceofthetestedmaterialsinallenvironmentswherethesematerialsmaybeused.PerformanceofdifferentmaterialsinthetestshouldonlybetakenasageneralguidetotherelativecorrosionresistanceofthesematerialsinmoistSO2service.1.1Thispracticecoverstheapparatusandproceduretobeusedinconductingqualitativeassessmenttestsinaccordancewiththerequirementsofmaterialorproductspecificationsbymeansofspecimenexposuretocondensedmoisturecontainingsulfurdioxide.1.2Theexposureconditionsmaybevariedtosuitparticularrequirementsandthispracticeincludesprovisionsforuseofdifferentconcentrationsofsulfurdioxideandfortestseitherrunningcontinuouslyorincyclesofalternateexposuretothesulfurdioxidecontainingatmosphereandtotheambientatmosphere.1.3Thevariantofthetesttobeused,theexposureperiodrequired,thetypeoftestspecimen,andthecriteriaoffailurearenotprescribedbythispractice.Suchdetailsareprovidedinappropriatematerialandproductpurchasespecifications.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,see4.3.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Plasticproducts;hoseofpolymerreinforcedthermoplasticsforsuctionanddischarge(ISO3994:1977);GermanversionEN23994:1993
【原文标准名称】:塑料.聚合物增强热塑塑料抽吸和排放软管
【标准号】:DINEN23994-1993
【标准状态】:作废
【国别】:德国
【发布日期】:1993-04
【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】:塑料制品;高聚物;物理试验;真空的;挠性管道;压力试验;尺寸;吸入软管;公差;塑料软管;试验;包装用具;材料;作标记;热塑性聚合物;运输;包装件
【英文主题词】:polymers;dimensions;materials;plasticshose;tolerances(measurement);thermoplasticpolymers;packages;marking;testing;physicaltesting;flexiblepipes;pressuretests;vacuum;plasticsproducts;transport;s
【摘要】:
【中国标准分类号】:G33
【国际标准分类号】:3340
【页数】:8P;A4
【正文语种】:德语
【英文标准名称】:Ergonomicrequirementsforofficeworkwithvisualdisplayterminals(VDTs)-Part7:Requirementsfordisplaywithreflections(ISO9241-7:1998);GermanversionENISO9241-7:1998
【原文标准名称】:带有可视显示终端(VDTs)的办公室工作的人类工效学要求.第7部分:带反射性的显示装置的要求
【标准号】:DINENISO9241-7-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-12
【实施或试行日期】:
【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】:人类工效学;测量;定义;数学计算;试验;规范(验收);计算机应用;直观显示装置;反射;图象质量;目视显示工作站;亮度;合格;办公室(室内);办公室业务;计算机;显示器
【英文主题词】:Computerapplications;Computers;Conformity;Definitions;Display;Environment(working);Ergonomics;Hardware;Imagequality;Luminance;Mathematicalcalculations;Measurement;Officeequipment;Officeservices;Officeworkingplaces;Offices(interiorspaces);Reflection;Screens;Specification(approval);Testing;Visual;Visualdisplayunits;Visualdisplayworkstations
【摘要】:ThisdocumentestablishesimagequalityrequirementsforVDTsusedinluminousenvironmentsthatmaycausereflectionsfromscreen.Italsoappliestomonochromeandmulticolourdisplays.Therequirementsarastatedasperformanceordesignspecifications,andtestmethodsareprovided.Thestandardappliestotheergonomicdesignofdirect-viewelectronicdesplaysforofficetasks,includingsuchactivitiesasdataentry,textprocessingandinteractiveinquiry.Officetasksareperformedindoorswithoutexposuretodirectsunlight.Therecommendationscanpossiblybeappropriateforothertasksincludingprocesscontrol,graphicdesignandcomputer-aideddesign(CAD),buttheirapplicabilityhasnotbeenestablished.Thedocumentappliestoscreensforwhichitstestmethodissuitable.ThetestmethodislimitedtoVDTswhosecolourand/orluminancecontrastdoesnotvarystronglyasafunctionoftheviewingdirection,andwhosereflectionpropertiesdonotvaryasafunctionofthelogicalstateofthescreen.ThetestmethodissuitableforemissiveVDTtechnologiessuchascathoderaytubesandsomeflatpanels.Thisstandarddefinesthetermsdarkroom,extendedsourceofluminance,luminancecoefficient,luminancefactor,luminanceratio,negativepolarity,positivepolarity,reflectometervalue,screentiltangleandsmallsourceofluminance.
【中国标准分类号】:A25
【国际标准分类号】:13_180;35_180
【页数】:24P;A4
【正文语种】:德语