【英文标准名称】:Aerospaceseries-Fibresandcables,optical,aircraftuse-Testmethods-Part306:Variationofattenuationduringtemperaturecycling;GermanandEnglishversionEN3745-306:2005
【原文标准名称】:航空航天系列.飞行器用光纤和光缆.试验方法.第306部分:温度循环中的衰减变化;英文和德文版本EN3745-306:2005
【标准号】:DINEN3745-306-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-12
【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】:
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Aircraft;Cables;Changesoftemperature;Changingofattenuation;Damping;Dimensionalaccuracy;Dimensions;Fibreoptics;Glassfibrecables;Glassfibres;Longitudinaldirections;Measuringtechniques;Multilingual;Opticalwaveguides;Spacetransport;Testing
【摘要】:ThisStandardspecifiesamethodforcheckingthevariationofattenuationofanopticalcableduringtemperaturecycling.
【中国标准分类号】:M33
【国际标准分类号】:49_060
【页数】:13P.;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforQualitativeAdhesionTestingofMetallicCoatings
【原文标准名称】:金属覆层粘附性定性试验的标准实施规程
【标准号】:ASTMB571-1997(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:B08.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesion;metalliccoatings;Adhesion--coatings;Bendtesting--coatings;Burnishingtest--forcoatingadhesion;Filetest--coatingadhesion;Heatingtests--metals;Chisel-knifetest;Coatingadhesion;Drawtest;Grind-sawtest;Impactresistance;Metallic
【摘要】:Thesetestsareusefulforproductioncontrolandforacceptancetestingofproducts.Interpretingtheresultsofqualitativemethodsfordeterminingtheadhesionofmetalliccoatingsisoftenacontroversialsubject.Ifmorethanonetestisused,failuretopassanyonetestisconsideredunsatisfactory.Inmanyinstances,theenduseofthecoatedarticleoritsmethodoffabricationwillsuggestthetechniquethatbestrepresentsfunctionalrequirements.Forexample,anarticlethatistobesubsequentlyformedwouldsuggestadraworabendtest;anarticlethatistobesolderedorotherwiseexposedtoheatwouldsuggestaheat-quenchtest.Ifapartrequiresbakingorheattreatingafterplating,adhesiontestsshouldbecarriedoutaftersuchposttreatmentaswell.Severalofthetestsarelimitedtospecifictypesofcoatings,thicknessranges,ductilities,orcompositionsofthesubstrate.TheselimitationsarenotedgenerallyinthetestdescriptionsandaresummarizedinTable1forcertainmetalliccoatings.x201C;Perfectx201D;adhesionexistsifthebondingbetweenthecoatingandthesubstrateisgreaterthanthecohesivestrengthofeither.Suchadhesionisusuallyobtainedifgoodelectroplatingpracticesarefollowed.Formanypurposes,theadhesiontesthastheobjectiveofdetectinganyadhesionlessthanx201C;perfect.x201D;Forsuchatest,oneusesanymeansavailabletoattempttoseparatethecoatingfromthesubstrate.Thismaybeprying,hammering,bending,beating,heating,sawing,grinding,pulling,scribing,chiseling,oracombinationofsuchtreatments.Ifthecoatingpeels,flakes,orliftsfromthesubstrate,theadhesionislessthanperfect.Ifevaluationofadhesionisrequired,itmaybedesirabletouseoneormoreofthefollowingtests.Thesetestshavevaryingdegreesofseverity;andonemightservetodistinguishbetweensatisfactoryandunsatisfactoryadhesioninaspecificapplication.Thechoiceforeachsituationmustbedetermined.Whenthisguidelineisusedforacceptanceinspection,themethodormethodstobeusedmustbespecified.Becausetheresultsoftestsincasesofmarginaladhesionaresubjecttointerpretation,agreementshallbereachedonwhatisacceptable.Ifthesizeandshapeoftheitemtobetestedprecludesuseofthedesignatedtest,equivalenttestpanelsmaybeappropriate.Ifpermitted,testpanelsshallbeofthesamematerialandhavethesamesurfacefinishastheitemtobetestedandshallbeprocessedthroughthesamepreplating,electroplating,andpostplatingcyclewiththepartstheyrepresent.1.1Thispracticecoverssimple,qualitativetestsforevaluatingtheadhesionofmetalliccoatingsonvarioussubstances.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:4P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 试验筛 金属丝编织网、穿孔板和电成型薄板筛孔的基本尺寸 |
| 中标分类： |
综合 >>
基础标准 >>
筛分、筛板与筛网 |
| 替代情况： | 被GB/T 6005-1997代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1986-02-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 4页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 综合 基础标准 筛分 筛板与筛网