BS EN ISO 14577-4-2007 金属材料.测量硬度和材料参数用仪器压痕试验.金属和非金属覆层试验方法

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【英文标准名称】:Metallicmaterials.Instrumentedindentationtestforhardnessandmaterialsparameters.Testmethodformetallicandnon-metalliccoatings
【原文标准名称】:金属材料.测量硬度和材料参数用仪器压痕试验.金属和非金属覆层试验方法
【标准号】:BSENISO14577-4-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;覆层;防腐蚀;测定;硬度;硬度测量;硬度测试;材料测试机;材料试验;材料;材料测试;被测量值;测量;测量不确定度;机械测试;金属的;金属材料;金属;非金属的;非金属覆层;渗透探伤;穿透深度;额定值;测试
【英文主题词】:Alloys;Coatings;Corrosionprotection;Determination;Hardness;Hardnessmeasurement;Hardnesstesting;Materialtestingmachines;Materialtests;Materials;Materialstesting;Measuredvalue;Measurement;Measuringincertainity;Mechanicaltesting;Metallic;Metallicmaterials;Metals;Nonmetallic;Non-metalliccoatings;Penetrantflawdetection;Penetrationdepths;Ratings;Testing
【摘要】:ISO14577-4:2007specifiesamethodfortestingcoatingsthatisparticularlysuitablefortestinginthenano/microrangeapplicabletothincoatings.Thistestmethodislimitedtotheexaminationofsinglelayerswhentheindentationiscarriedoutnormaltothetestpiecesurface,butgradedandmultilayercoatingscanalsobemeasuredincross-sectionifthethicknessoftheindividuallayersorgradationsisgreaterthanthespatialresolutionoftheindentationprocess.Thetestmethodisnotlimitedtoanyparticulartypeofmaterial.Metallic,non-metallicandorganiccoatingsareincludedinthescopeofISO14577-4:2007.TheapplicationofISO14577-4:2007regardingmeasurementofhardnessisonlypossibleiftheindenterisapyramidoraconewitharadiusoftipcurvaturesmallenoughforplasticdeformationtooccurwithinthecoating.Thehardnessofvisco-elasticmaterials,ormaterialsexhibitingsignificantcreepwillbestronglyaffectedbythetimetakentoperformthetest.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:36P.;A4
【正文语种】:英语