JASO M610-1992 汽车零部件外涂层腐蚀试验方法

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1、JAPANESEAUTOMOBILESTANDARDJASOM610-92Cosmeticcorrosiontestmethodforautomotiveparts1.Scope3.TypeoftestThisstandardspecifiesamethodtoexamineThetypeoftestshallbeclassifiedasCycliccosmeticcorrosionofmetalicmaterialandcorrosiontest.surfacetreatmentforautomotivepartsbycycliccorr

2、osiontest.4.TestingmethodRemark:ApplicablestandardsofthisstandardareshownasThetestingmethodissuchthatatestpiecefollows.JISC2388Pressure-sensitivepolyesteradhesivepreparedbyaspecifiedmethodshallbetapesforelectricalinsulationrepeatedlyexposedinacyclicatmosphereJISG4401Carbon

3、toolsteelsconsistingofsaltspraying,dryingandwettingJISK1503AcetonJISK5400TestingmethodsfororganiccoatingsmaintainedunderaspecifiedconditionsoasJISK5538LucquerthinnertoevaluatecosmeticcorrosionsonabaseJIS21524Pressuresensitiveadhesivepolyvinylmetalandasurfacetreatment.chlor

4、idetapesforpackagingJIS22371MethodofsaltspraytestingJASOM609Corrosiontestmethodforauto-5.TestconditionsmotivematerialsThepreparationconditionsandthetest2.DefinitionsconditionsshallbeasshowninTable1andTable2resDectivelv.DefinitionsofmajortermsusedinthisAstothe'heating'condi

5、tionsinpreparation,standardshallbeasfollows.takingaccountofenvironmentalconditionsCosmeticcorrosionwherethepartsareused,theyshallbedeter-Acorrosiontodamageminedasagreeduponbetweenthepurchaserpartsappearancesuchaspittingandandthemanufacturer.entirecorrosionwhichiscausedbysu

6、choutsideenvironmentalfactorsasrain-water,sunshine,andsaltformeltingsnow.SurfacetreatmentSuchtreatmentsaspainting,plating,chemicaltreatmentandanodizationwhichareprocessedfordecorationandanticorrosion.CycliccorrosiontestAtestinwhichacyclicatmosphereconsistingofsaltwaterspra

7、ying,dryingandwettingisrepeatedinordertoapproximateandactivateanaturalenvi-ronment.Table1PreparationconditionsTypeoftestpiecePreparationConditionsPaintedCutting2parallelcutstothebaseSurfacetreatedotherthanpaint,(80*5)OCorNottreatedHeating(120f1O)"Cx30min.1JAS0M610-92ItemCo

8、ndition1.Saltwaterspraying(1Temperature35f1°C(2)Densityofsalt5+0.5%OthersshallconformtoJI