ASTM F428-2009 航空航天用玻璃外壳抗划痕硬度的标准试验方法

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【英文标准名称】:StandardTestMethodforIntensityofScratchesonAerospaceGlassEnclosures
【原文标准名称】:航空航天用玻璃外壳抗划痕硬度的标准试验方法
【标准号】:ASTMF428-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F07.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:glassscratches;scratches;windscreenquality;windscreenscratches;Aerospacetransparentenclosures;Glassaerospacematerials/applications;Resistance--aircraft/aerospacematerials;Scratchintensity;Visualexamination--aerospaceapplications
【摘要】:Scratchesexistonallglasssurfaces.Oftenthereareveryfinescratchesfromcleaningoperationsthatarenotvisiblewhenlookingthroughtheglass.Visiblescratchesmaybedistractingtotheobserverlookingthroughthetransparency.Therefore,aproceduretodefinetheseverityscratchesisuseful.Avisualstandardisusedbecauseitisnotpracticaltomeasurethedimensionsofthefinescratchesinthescopeofthistestmethod.1.1Thistestmethodcoversthevisualinspectionofscratchesontheglasssurfaceofaerospacetransparentenclosures.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:V13
【国际标准分类号】:49_045
【页数】:5P.;A4
【正文语种】:英语