GroupstandardPV1210

Issue2016-02

Class.No.:50211

Descriptors:corrosion,body,add-onpart,hang-onpart

BodyandAdd-OnParts/Hang-OnParts

CorrosionTest

Previousissues

PV1210:1981-08,2001-05,2004-09,2010-02

Changes

ThefollowingchangeshavebeenmadetoPV1210:2010-02:

–

Section3.3

"Bodytest"andsub-sectionsdeleted

–Sectionnumbersmodified

–Section3.4"Examplesofweeklycycle"deleted

–ISO554replacedwithVW50554

1Scope

ThisTestSpecification(PV)isusedforcorrosiontestinginsampleandproductiontestsconductedoncompletelypaintedbodies,bodypanels,assemblies,andcomponentswithdifferinganti-corro‐sioncoatings.

Itisusedtoexamineandevaluatecorrosionpropertiesorcorrosionprotectionmeasuresofthesepartswhenexposedtostaticload.

2Designation

CorrosionresistanceasperPV1210

Alwaysusethelatestversionofthisstandard.

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.

TheEnglishtranslationisbelievedtobeaccurate.Incaseofdiscrepancies,theGermanversionisaloneauthoritativeandcontrolling.

Page1of4

Technicalresponsibility

GQL-M/1

Sascha

Gro?e

Tel.:

+495361928506

GQL-M/1

Günther

Laudien

Tel.:

+4953619-25846

GQL-M

Dr.FrankR?per

TheStandardsdepartment

EKDD/2Gabriela

Bochynek

EKDD

Tel.:

+495361921698

ThomasBehrens

Allrightsreserved.NopartofthisdocumentmaybeprovidedtothirdpartiesorreproducedwithoutthepriorconsentofoneoftheVolkswagenGroup’sStandardsdepartments.

?VolkswagenAktiengesellschaftVWNORM-2015-07c

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PV1210:2016-02

3Testmethod

3.1Principle

Thetestisacyclicallyalternatingcombinationofdifferentclimaticand/orcorrosiveloads.Onetestcyclecomprises

–4hofneutralsaltspraytesting(NSS)asper

DINENISO9227

–4haginginstandardatmosphere

VW50554

–23/50,

–16hofheatandhumidityaging,testatmosphereCHasper

DINENISO6270-2

Changingthetestingprogramisentirelyimpermissible.

Afterevery5cycles,a2-dayrestphasetakesplaceinthe

VW50554

–23/50standardatmosphere.Atestcomprising15cyclestakes3weeksintotal.

Thistestingmethodisusedtoevaluatecorrosionpropertiesunderstaticloadresultingfromsalt,humidity,andtemperature.

Corrosioncreepageonascribinglinecanbeexaminedinordertoevaluatetheadhesionofcoat‐ings.Thescribemustpenetratethroughtothemetallicbasematerialandmustbeloadedinverti‐calposition(see

DINENISO17872

).Thescribelinemustbeevaluatedwithregardtolossofad‐hesionandcorrosionasper

DINENISO4628-8

.

Underthesedefinedcorrosionconditions,differentanti-corrosioncoatingscanbecomparativelyassessed.

Acorrelationwiththecorrosionmechanisminactualdrivingoperationisnotnecessarilypossible,asthetypesofdamageandcorrosioncurvesoccurringonthevehiclearecomplexandarenot

completelycoveredandreflectedbythestaticcorrosionload.

Abriefinterruptionofthetesttoinspectand/orremovespecimensispermissible.

NOTE:Inparticularcases,the2-dayrestperiodsafterevery5cyclesmaybeomitted.Inthis

case,atestcomprising15cyclestakes15days.However,toshortenthetestperiodinthiswayisonlypermissibleifitisproventhatthetestresultwillnotbeinfluenced.Itisimperativetorecord

this,e.g.,"15cyclesasperPV1210withoutrestperiods."

3.2Testequipment

Assemblies,components,andtestsheetscanalsobetestedinsuitablestableoralternatingat‐

mospherechambers.Thesechambersmustcomplywiththespecificationsof

DINENISO6270-2

,

DINENISO9227

,and

VW50554

.

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PV1210:2016-02

3.3Componenttesting

Atleast5partsarerequiredforcompletetesting.

Cavitiesmustbemadeaccessibletothesaltspraybyseparating/openingorbyalteringtheas-installedposition.

Unprotectedtrimedgesmustbecoveredbeforetesting.

3.4Evaluation

After5,15,30,60,and90cycles,evaluatethespecimensintermsof

–Typeofcorrosion(coatingand/orbasemetalcorrosion)

–Formofcorrosion(surfaceoredgecorrosion)

–Timeofappearanceanddevelopmentofcorrosion

aswellaswithregardtoadditionalchangesintheanti-corrosioncoatingssuchasblistersorlossofadhesion.

Organiccoatingscanbeevaluatedasper

DINENISO4628-1

,table3.

Evaluatethescribinglineregardingcorrosionandlossofadhesionasper

DINENISO4628-8

andregardingfiliformcorrosionasper

DINENISO4628-10

.

Signsofcorrosioncreepageonpaintedpanelscanbeexaminedusinganon-destructivethermo‐graphicmethodforquantitativeevaluationofthedevelopmentandspreadofflaws.

ThetestisconcludedwhencorrosiongradeRi5asper

DINENISO4628-3

orcorrosionperfora‐tionsoccur.

Thefollowingmustbespecifiedintheinspectionreport:

–Partsexamined:e.g.,paintedpanels

–Corrosionprotectionmeasures:e.g.,paintfinish(coatingthickness:96μm,measuredinthesheetcenter)

–Testing:Start/end

–Evaluation:>Text<

–Startofbasemetalcorrosion:e.g.,after15cycles:surfacecorrosionRi2

–Blistering:e.g.,after18cycles:degreeofblistering2(S4)

–Adhesionloss:e.g.,d=3mm

–Endoftesting:e.g.,after30cycles

–References/notes:>Text<

4Applicabledocuments

Thefollowingdocumentscitedinthisstandardarenecessarytoitsapplication.

SomeoftheciteddocumentsaretranslationsfromtheGermanoriginal.ThetranslationsofGer‐

mantermsinsuchdocumentsmaydifferfromthoseusedinthisstandard,resultinginterminologi‐calinconsistency.

StandardswhosetitlesaregiveninGermanmaybeavailableonlyinGerman.Editionsinotherlanguagesmaybeavailablefromtheinstitutionissuingthestandard.

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PV1210:2016-02

VW50554

StandardAtmospheresandRoomTemperatures;Requirementson

StandardAtmospheres

DINENISO17872

Paintsandvarnishes-Guidelinesfortheintroductionofscribemarksthroughcoatingsonmetallicpanelsforcorrosiontesting

DINENISO4628-1

Paintsandvarnishes-Evaluationofdegradationofcoatings-Designa‐tionofquantityandsizeofdefects,andofintensityofuniformchangesinappearance-Part1:Generalintroductionanddesignationsystem

DINENISO4628-10

Paintsandvarnishes-Evaluationofdegradationofcoatings-Designa‐tionofquantityandsizeofdefects,andofintensityofuniformchangesinappearance-Part10