【英文标准名称】:StandardTestMethodforNondestructiveMeasurementofDryFilmThicknessofAppliedOrganicCoatingsUsinganUltrasonicGage
【原文标准名称】:用超声波仪表对外施的有机涂层的干膜厚度进行无损测量的标准试验方法
【标准号】:ASTMD6132-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.23
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coatingthickness;dryfilmthickness;nondestructivethickness;paintthickness;ultrasonicthicknessgage;Nondestructiveevaluation(NDE)--paints/relatedcoatings;Concrete;Dryfilmthickness;Organiccoatings;Paintthickness;Ultrasonicthicknessga
【摘要】:p>Manycoatingpropertiesaremarkedlyaffectedbythefilmthicknessofthedryfilmsuchasadhesion,flexibility,andhardness.Tobeabletocompareresultsobtainedbydifferentoperators,itisessentialtomeasurefilmthicknesscarefully.Mostprotectiveandhighperformancecoatingsareappliedtomeetarequirementoraspecificationforthedry-filmthicknessofeachcoat,orforthecompletesystem,orboth.Coatingsmustbeappliedwithincertainminimumandmaximumthicknesstolerancesinorderthattheycanfulfilltheirintendedfunction.Inadditiontopotentialperformancedeficiencies,itisuneconomicaltoapplymorematerialthannecessarywhencoatinglargeareassuchasfloorsandwalls.Surfaceroughnesscanaffecttheaccuracyofthistestmethod.Aroughsurfacehasatendencytoscattertheultrasonicpulseandoddreadingsmayoccuroccasionally.Thistestmethodmaynotbeapplicabletomeasureorganiccoatingthicknessonallsubstrates.Theinstrument''sabilitytodetectadistinctinterfacebetweenthecoatingandthesubstratemaybeimpededifthecoatingandthesubstrateareofsimilarcompositionorifthecoatingisnon-homogeneous.Verifyoperationonaknownthicknessofthecoating/substratecombinationifthesecircumstancesarethoughttoexist.Multilayeredcoatingshavemanyinterfacesandtheinstrumentwillmeasuretotheinterfaceseparatingthetwomostacousticallydifferentmaterials.Someinstrumentshavetheabilitytodetectandmeasuretheindividuallayerthicknessesinamulti-layersystem.Theuseofthistestmethodisnotnecessarilylimitedbythetypeofsubstratematerialasnondestructivemagnetic-typeoreddycurrentmeans.1.1Thistestmethodcoverstheuseofultrasonicfilmthicknessgagestomeasureaccuratelyandnondestructivelythedryfilmthicknessoforganiccoatingsappliedoverasubstrateofdissimilarmaterial.Measurementsmaybemadeonfieldstructures,oncommerciallymanufacturedproducts,oronlaboratorytestspecimens.Thesetypesofgagescanaccuratelymeasurethedryfilmthicknessoforganiccoatingsonconcrete,woodandwallboardsubstrates.1.2Thistestmethodisnotapplicabletocoatingsthatwillbereadilydeformableunderloadofthemeasuringinstrumentastheinstrumentprobeisplaceddirectlyonthecoatingsurfacetotakeareading.1.3Theeffectiverangeofinstrumentsusingtheprincipleofultrasonicsislimitedbygagedesign.Athicknessrangeof0.3to600mils(8x03BC;mto15mm)hasbeendemonstrated.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:71_040_50
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Earth-movingmachinery-Safety-Part7:Requirementsforscrapers
【原文标准名称】:土方机械.安全性.第7部分:铲土机用要求
【标准号】:ISO20474-7-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC127
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;附加硬件设备;建筑机械;定义;定义(术语);拉铲挖土机;吊铲;土方机械;职业安全;保护措施;安全性;安全措施;机械安全性;安全性要求;铲运机(土方工程设备);铲运机;规范(验收);工作场所安全性
【英文主题词】:Accidentprevention;Add-onpiece;Buildingmachines;Definition;Definitions;Draglines;Draglineexcavators;Earth-movingequipment;Occupationalsafety;Protectivemeasures;Safety;Safetymeasures;Safetyofmachinery;Safetyrequirements;Scrapers;Scrapers(earthmovingequipment);Specification(approval);Workplacesafety
【摘要】:ThispartofISO20474givesthesafetyrequirementsspecifictowheeledandcrawlerscrapers,exceptfortowedscrapers,asdefinedinISO6165.ItisintendedtobeusedinconjunctionwithISO20474-1,whichspecifiesgeneralsafetyrequirementscommontoearth-movingmachinefamilies,andwithISO/TS20474-14,whichgivesinformationonprovisionsthataremandatoryinparticularcountriesorregions.ThespecificrequirementsgiveninthispartofISO20474takeprecedenceoverthegeneralrequirementsofISO20474-1.ThispartofISO20474dealswithallsignificanthazards,hazardoussituationsandeventsrelevanttotheearth-movingmachinerywithinitsScopewhenusedasintendedorunderconditionsofmisusereasonablyforeseeablebythemanufacturer(seealsoISO/TS20474-14).Itspecifiestheappropriatetechnicalmeasuresforeliminatingorreducingrisksarisingfromsignificanthazards,hazardoussituationsoreventsduringcommissioning,operationandmaintenance.Itisnotapplicabletomachinesmanufacturedbeforethedateofitspublication.
【中国标准分类号】:P97
【国际标准分类号】:53_100
【页数】:6P;A4
【正文语种】:英语