KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comKeithLeggASETSDefenseTechnicalManagerRowanTechnologyGroupLibertyville,IL2/2012ArmyCorrosionSummitEliminatingCr6+,Cd,andotherhazardousmaterialswithoutcompromisingperformanceArmyCorrosionSummit,2010KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com2ASETSDefenseASETSDefense(AdvancedSurfaceEngineeringTechnologiesforaSustainableDefense)isanESTCPinitiativesetuptoassistDoDorganizationsandvendorstoadoptalternativestocoatingsthatcauseenvironmentalandhealthproblemsDefinedasinfosourcein2009Cr6+memoInformation,assistance,databasesWorkshopsKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com3DoDVehicleWorkshopNASFSur/Fin,GrandRapids,MI,June15‐17,2010Whatnewregulationsarecomingdowntheroad?Whataretheoptionstomeetthem?Whatworksandwhatdoesnot,whatdoesittaketomakenewprocessesworkwell?Whatarethebarrierstoadoptingnewapproachessuccessfully?Whatnewtechnologiesareneeded,andhowcanexistingtechnologiesbeusedmoreeffectively?For info:www.nasf.organdwww.asetsdefense.orgKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com4CHANGESTHATDON’TWORKOUTWeaponsprogramsandvendorsaremakingchangestoeliminatematerialssuchaschromates,Cdplate,VOCs.Buttherearemorewaystodoitwrongthantodoitright.Perceptionisthatgivingupchromatesetcgivesupperformance,butsmartchangescanoftenimproveperformance.KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com5ReplacingCd‐platedboltsGTEs:mostfastenersarenowstainlesssteelForC‐fibercompositesTifastenersoftenusedPeoplesometimesforgetthatstainlesssteelandTifastenersaregalvanically incompatiblewithAlframesandAlarmor2139Al+CARC2024Al boltsStainless boltsTi boltsKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com6Direct‐to‐metalpaintingNowusedonMRAPsandothervehiclestoreplacechromatewashSomevehiclesalreadyrustingcomingofftheboat3⁄4MoreurgenttogetvehiclesintheaterthantoworryaboutinitialcorrosionAllnon‐chromateprocessesareverydependentonprocessconditionsCanbefixedonrepaintKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com7AlpretreatsUSAFhasqualifiedPrekote inplaceofchromateconversionofAlaircraftskins(TO1‐1‐8)BoeingusesAC130/131(Boegel)Thesearebothpaintadhesionpromoters,notcorrosioninhibitorsCannotbeusedwithoutpaintsystemKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com8IncompatiblecoatingsInordertoavoiduseofchromates,etc.somepeoplearecombiningmaterialsthatworkwellalone,butnotincombinationExample:ShipboardopticalsightmadeofAlandcoatedwithNiGalvaniccorrosionElectricalconnectors:UpdatedspecssuchasMIL‐DTL‐38999LallowAl,ZnNiorelectrolessNi‐PTFEcoatingsCareneededtoavoidgalvanicinteractionsKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com9REGULATORYCLIMATECHANGEKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comApril2009DoDMemoonCr6+April8‘09USD‐ATLissuedmemorestrictingCr6+use,unlessnocost‐effectivealternativeswithsatisfactoryperformanceRequiresProgramExecutiveOfficer(PEO)andCorrosionControlandPreventionExecutive(CCPE)tocertifyifnoacceptablealternativeEffectwillbetoforceadoptionofCr6+‐freecoatingsandproductionmethodsDFARStobeissuedshortlyInfo and database on Cr6+alternatives available atwww.asetsdefense.orgKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comIntent of the MemoEliminate use of chromate materials andprocesses in newweapons systems unlessthere are no satisfactory alternativesEliminate Cr6+in legacysystems when theyare modified or overhaul methods updated“The Defense Acquisition Regulation Council will prepare a clause for defensecontracts prohibiting use of Cr6+containing materials in all future procurementsunless specifically approved by the Government.”“Application of this policy to legacy systems will be limited to modificationswhere alternatives can be inserted in the system modification process andupdated maintenance procedures.”KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comPEO must takemanufacturability andperformance into accountCost-effectivenessAny change in performanceAcceptable ESOH for alternativeLong term availabilityTechnical feasibility, MRL≥8Ready for at least low rate production3⁄4Stable production methods3⁄4QA/QC established3⁄4Adequate supply chain for limited productionCr6+use can continue if alternatives not acceptableKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comDefense Federal AcquisitionRegulation Supplement(DFARS) ModificationDefense Acquisition Regulation Council is drafting a ProposedRule for the DFARS to be published in Federal RegisterProhibition on Use of Cr6+3⁄4DoD contracts cannot include specifications or standards requiring Cr6+-containing materials or using Cr6+processesExceptions3⁄4Cr6+can be used if authorized at PEO/flag level, in coordination withCorrosion Control and Prevention Executive3⁄4Does not apply to legacy systems, but alternatives to Cr6+must beconsidered during system modifications, follow-on procurements, orupdates of maintenance procedureDFARS clause would make Cr6+concentrations in materialssame as in RoHS3⁄4<0.1% by weight in any homogeneous materialSee ASETSDefense Workshop, Denver, September 2009KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com14PrimaryEUregulationsRoHSReductionofHazardousSubstancesREACHRegistration,Evaluation,AuthorisationandRestrictionofChemicalsRoHS isrelatedtoWEEE(WasteElectricalandElectronicEquipment)RoHSPb,Hg,Cr6+,PBB,PBDE<0.1at%Cd<0.01at%MilitaryandaerospaceregardedasexemptoButexpectationofCdplatingexemptionbeingeliminatedforallcommercialproductsAllchemicalsmustberegisteredwithEChAEvenifusedforyearsEvaluatetoxicityofeverythingIdentifySVHCs(SubstancesofVeryHighConcern)thatareCMRs(Carcinogenic,Mutagenic,Reprotoxic)SomeSVHCsmaybeRestricted(perhapseffectivelybanned)YoumusthaveAuthorizationtouseotherSVHCsKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comObeyingtherulesoftheRoHSCompaniessellingelectricalequipmentandvehiclesintheEUmustcertifyRoHScompliance3⁄4WithHR2420wewillhavethesameinUSAFormanyorganizationsthebiggestdifficultywithmeetingtheRoHSrequirementsiswithfastenersbecausetheyhavenocontroloverthemWhatworksdependsontheenvironmentinwhichtheywillbeusedNo homogeneous layer can contain >0.1% Cr6+or >0.01% Cd by weight“Homogeneous layer” means any layer thatcannotin principlebe mechanically disjointedNota % of whole item. Cd is a homogeneouslayer and chromate anotherZn or Cd<0.01wt% Cd<0.1wt% Cr6+<0.1wt% Cr6+KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com16RoHS – RestrictionofHazardousSubstancesStrictlycoverselectricalsystemsandvehicles,butthesedaysthatcoversalmostanythingRoHS (anditscompanionsWEEEandELV)haveledtoeliminationofCdandCr6+fromcarsForcingconsiderationofalternativestoCdandCr6+foreverythingelse(includingaircraft)EUdiscussingextendingtootherequipmenttypesHath not thy RoHS a thorn?3⁄4DoDandaerospaceare3⁄4SoleusersofCdplating3⁄4PrimaryremainingusersofCr6+conversioncoatingsandprimersKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com17EUDirective67/548/EEC–Classification,PackagingandLabellingofDangerousSubstancesListingasubstanceasCMRCat1or2makesitpotentiallysubjecttoRestrictionunderREACHNewmaterialsfrequentlyaddedunder“AdaptationstoTechnicalProgress”(ATPs)30thATP,Aug08,added380newsubstances,reclassified516andremoved33⁄4AddedNisulphate,dichloride,dinitrate,andcarbonate(Niplatingchemicals)3⁄4Boricacid(boric‐sulfuricacidanodizing,alttochromic)31stATP,Jan09added385newsubstances,reclassified83andremoved43⁄4110NicompoundsnowincludedNewmaterialsaddedbyread‐across,withoutscientificdata(e.g.Nisalts)Seems like asimpleregulation onlabels forchemicals.Is a means ofbringing largenumbers ofchemicalsunder REACHrestriction withminimalevidence oftoxicityKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com18REACHandchromates– issueforsustainmentinEUREACH controls and restricts CMRs(carcinogenic, mutagenic, reprotoxic), definedin (Annex I of Directive 67/548/EEC, Packagingand Labeling of Dangerous Substances)Sodium Dichromate was put forward as a “precandidate substance” for inclusion in REACHAnnex XIV (Authorization) in June 08Decided not to prioritizefor inclusionECHA intends to bring it up again by 2011Listing has triggered downstream reportingrequirements for Na dichromateEU looking to expand to more chromates“...the most effective option is to group and prioritise relevant chromium VI compounds,including sodium dichromate, together” (ECHACommittee Recommendations). So it willbe back, probably with all the other chromates (just as with Ni salts)Sodiumdichromate isused inconversioncoatings andto makechromic acid(used in hardchromeplating)KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comREACHimpact– ImpactsexpectedonplatformsbasedinEU~next5‐10yrsChromateconversioncoatings,primersCr6+essentiallybannedforallelectronicsbyRoHSExpectrestriction/authorizationallchromatesunderREACHChromatedprimers– needqualsAircraft/vehiclerepaintCdplatingCdonvehiclesalreadyrestrictedNextCdforaircraftelectronicsLaterCdforaircraftstructuresNibecomingseriousissueBigconcernforwear/corrosionSodiumdichromateisprecursorinmanufacturechromicacidCrplatemoredifficultinEU3⁄4HVOFaltavailableBerylliumcopper– needaltsAircraft,vehiclebushings–hydraulics,landinggearAl‐Bealloys– needaltsOptical,targetingsystemsBerylliumoxide– longterm?Heatsinks,electricalinsulators– avionicsSmallbutimportantuseKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comREACHImpactonDoDIssueforsustainmentinEuropeLossoflocalEUsourcesofchemicalsandprocessesUncertainwhetherCdpermittedformilitaryvehiclesTimescalesforchange<<timescalesforsafequal andadoptionDefenseExemptionsonlyinUKatpresent3⁄4SeriousissueforITAR(e.g.LOpaintonpartsmadeinEU)KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com21USAGEANDREPLACEMENT– HOWMUCHDOWEKNOW?KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com22Rule1:Thereisno perfectdrop‐inSpecs,approvalrequirements,testmethodsarealldesignedtoaccommodateexistingprocesses,theirstrengthsandweaknessesTheonlymaterialsthatevermeettheperformanceofCdorCr6+ineverywayareCdorCr6+NomatterhowgreatanalternativeistherewillalwaysbeonetestwhereitisnotasgoodIsthatacriticalrequirement?Canwelivewithitandstilldobetteroverall?KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com23Rule2:AlternativesalwaysneedmorecareEverythingelsehasahigherCoefficientofScrewupability (COSa)thanCdandCr6+Alternativestochromateconversionaremoreprocess‐sensitiveIfyouusechrome‐freeprimeryouhadbetterdoagoodjobwiththepretreatAlternativeelectroplatesandHVOFaremoredifficultthanhardchromeplatingCdalternatives:AlumiPlaterequiresanenclosedline,whileZnNielectroplatemusthavetherightalloybalancealloverthecomponentKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com24Rule3:Alternativesalwayscostmoreup‐frontUp‐frontcostisalmostalwayshigherPartlythisisbecauseoftheextremelylowcostofCr6+conversion,Cd,hardchrome,etc.PartlythisisbecausealternativesarenotaswidelyavailableorusedinashighvolumeHowever,costofownership(LCC)frequentlylowerPerformanceoften(bynomeansalways)betterLowerESOHcost(rarely>10%)Lowerdemil anddisposalcostLowerliabilityriskforuse,spills,wastedisposalKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com25Aretherealternativesthatimproveperformance?ReplacehardchromewithHVOFWC‐CoCr onhydraulicactuators,mostotherapplicationsHVOFWC‐CoCr typicallyfarlesswearandcorrosionWC‐Cohasworsecorrosionthanhardchrome– notrecommendedReplaceDowandHAEonMgalloyswithTagniteandbrushTagniteMuchbettercorrosion,damagetoleranceReplaceCdwithAlumiPlateMuchbettercorrosionresistanceCr6+‐freeprimer:44GN‐098non‐CrprimerlesscorrosionthanchromatedinF‐35testingKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com26Cr6+usageinDoDCr6+‐containingcoatingsCr6+processes,non‐Cr6+coatingsChromateconversioncoatingsChromatesealersChromatedprimersChromatewashesChromatedmetallic‐ceramicsHardchromeplatingChromicacidanodizingChromicacidpassivationCr6+(CrVI, hexavalent chrome, chromate) isour primary corrosion control materialCr6+-containing coatings are a problem for sustainment (repaint, touch-up, corrosion control)Cr6+processes are primarily a problem for OEMs and depotsKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comCr6+‐freecoatingsMaterialStatusofalternativesChromate conversioncoatingTrivalent chrome and non-Cr commercially available. Not yet asgood as Cr6+. Used on cars, Boeing 777, various militarysystems, USAF T.O. 1-1-8 Prekote; NAVAIR TCP authorizationsChromate primersNon-Cr primers commercially available. Used on F-35, AH-64Apache. Performance good on Cr6+conversion coating. Movingtoward total non-Cr6+Chromate finish systemLow temperaturepowder coat and UV curable finishes invalidation to replace primer/topcoat for aircraft and vehicles.No Cr6+, low VOC. In developmentChromate conversion ofMgTagnite now used on EFV gearbox, some sumps, gearboxes forAH-64, CH-53. Performance much better than Cr6+conversionand anodize. DoD use still very limitedMetallic-ceramicsLow-Cr and non-Cr available commercially. PerformanceuncertainChromate washesDirect-to-metal used for MRAP. Poor performanceKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comCr6+‐freeprocessesnowinuseMaterialStatusHard chrome platingHVOF on F-35 landing gear, all new commercial and militarylanding gear. Being implemented for overhaul at OO-ALC.Chromic acid anodizeTFSAA approved by NAVAIR, BSAA by BoeingNon-Cr primerIn production on F-35, AH-64 Apache (both Cr6+pretreat)KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comHighVelocityOxy‐Fuel(HVOF)processtoreplacehardchromeMostnewlandinggearprogramsnowuseHVOFWC‐CoCr inplaceofhardchromeoninnercylinders,pins,actuators3⁄4MilitaryandcommercialaircraftManyhydraulicsnowuseHVOFonactuatorrods3⁄4E.g.ParkerAerospace3⁄4CaterpillarnewandMROSealmanufacturersspecifysurfacefinishandsealdesignsforHVOF3⁄4E.g.Greene,TweedStandardindustrialprocess3⁄4Severalequipmentmakers,variouspowdersuppliers,numeroussprayhousesworldwideMethodofchoiceforhardchromereplacementonaircraftLandinggear,actuators,flaptracks,otherwearsurfacesCommercialoff‐roadvehiclesOEM,MROKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comHVOFstandardonCaterpillaroff‐roadhydraulics,shocksBradBeardsleyASETSDefenseWorkshop2009100 ton Caterpillar truckTruck strutChrome 682 hrssalt mineHVOF 3200 hrssalt mineHVOF truck hydraulic productionKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com31Tagnite toreplaceDow17andHAEWidelyusedforgearboxesincommercialhelicoptersAuthorizedformilitaryhelicoptersbutonlyoneimplementationEFVtransmission(RRAllison)MuchbettercorrosionresistanceanddamagetolerancethanDoworHAERepairbybrushTagniteKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com32Cr3+toreplacechromateconversionNAVAIRTCP(Tri‐ChromePretreat)nowavailablefromQPLlistofcommercialsuppliersWorkswellwhenusedcorrectlyMoresensitivethanchromatetoprepandprocessCurrentlyundertestaschromatewashreplacementKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com33PreKote andAC‐130/131toreplacechromateconversionUSAFTO1‐1‐8specifiesPreKote aschromatealternativeforaircraftpaintingBoeingnowusesAC‐130/131topreventrivetrashBothoftheseareadhesionpromotersnotcorrosioninhibitorsCannotbeusedwithoutpaintsystemKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com34AlumiPlatetoreplaceCdplateElectroplatedhighpurityAlcoatingHastobedoneinoxygen‐freelineJCATtestingshowsAlumiPlatehasmuchbettercorrosionresistancethanCdMuchbetterstresscorrosioncrackingperformanceUsedonF‐35,F‐22,F‐16,M119Howitzer,AH‐1SuperCobra,andothersystemsF-35 MLG torque armUpper Cd, lower AlumiPlateKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com35LHEZnNitoreplaceLHECdandTi‐CdplateLooksgoodinallBoeingtestingAvailablefromAtotech andDipsol ofAmerica3⁄4NotyetfullyavailablecommerciallyASETSDefenseWorkshop09,Denver(Gaydos,Tran)LHEZn14NicurrentlyintestatHillAFBLandinggearBothZnNiandAlumiPlaterequireDFLUsuallypolymertypeKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com36AlandZnfilledcoatingstoreplaceCdonfastenersCeramicorpolymerbasewithZnand/orAlflakefillDipspinorsprayUsedonallcommercialautomotivefastenersSeveralsuppliers(Dorken,Delta,Magni,etc)E.g.Magni 565ismodernversionofDorrltech,whichtestedasbestTACOMtestinginlate1990’s3⁄4InorganicZn‐richbasecoat,organicAl‐rich,friction‐modifiedtopcoatNotgoodforfinethreadsSWD IncKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com37PowdercoatsandUVcurepaintstoreplacehighVOCpaintsPowdercoatsnowformulatedforlowtemperaturecureGoodcorrosionresistanceanddamagetoleranceUVveryrapidcure(seconds)SavesstandingaroundwaitingforpainttodryReducespaintingfromdaystohoursDemonstrationsofbothmethodsongoingKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com38Wirearcspraytoreducecorrosion– vehicles,towers,etcNotadirectreplacementforatoxicmaterial,butreducesenvironmentalimpactandLCCbyreducingcorrosionandrepaintfrequencyHighup‐frontcost,lowercostofownershipWirearcZn15AlonGSE,PatrickAFBWirearcZn,NASAtowersKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com39ProblemsstilloutstandingChromate‐freepaintsystemCanbedone,performancenotyetuptochromateCr3+treatmentsprocess‐sensitiveFirstchrome‐freefinishB‐777flyingforKLM2009ChromatewashforarmorNoalternativeyetthatworksaswellasCr6+buttestingunderwayReworkcoatingsforMgBrushTagnite canbeusedonTagniteCdalternativesstillindiscussionZnNiorAlumiPlateKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com40ASETSDEFENSESOURCESOFINFORMATIONKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com41DoDVehicleWorkshopNASFSur/Fin,GrandRapids,MI,June15‐17,2010Whatnewregulationsarecomingdowntheroad?Whataretheoptionstomeetthem?Whatworksandwhatdoesnot,whatdoesittaketomakenewprocessesworkwell?Whatarethebarrierstoadoptingnewapproachessuccessfully?Whatnewtechnologiesareneeded,andhowcanexistingtechnologiesbeusedmoreeffectively?For info:www.nasf.organdwww.asetsdefense.orgKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comASETSDefensehttp://www.asetsdefense.orgQuickinformation onalternativesASETSDefenseworkshopagendas,briefings,summaries(HCATmeetingscoming soon)DatabaseTeam WorkSpacesTools to beaddedKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comQuickLinksbasicinformationKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.com44SURFACEENGINEERINGDATABASEhttp://db.asetsdefense.orgKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comDatabase– SimplesearchDesigned to answer question “Whatalternative to hard chrome (etc) is available(authorized, implemented, spec’d) for mytype of system and application?”KeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comDetailsearchSearch for specific materials, systems,tests, people, organizationscorrosionKeithLegg847‐680‐9420klegg@rowantechnology.comhttp://www.asetsdefense.orgTeamingwebsite:www.materialoptions.comDatabaseDocuments