k- alloy / a304 › resources › nadca.pdfk-alloy / a304 the housing shows no visual corrosion, nor...

7
K- Alloy / A304 Corrosion Resistant, High Elonga:on Aluminum Alloy

Upload: others

Post on 28-Jan-2021

2 views

Category:

Documents


0 download

TRANSCRIPT

  • K-Alloy/A304CorrosionResistant,HighElonga:onAluminumAlloy

  • Aluminumalloythatprovidesunexpectedlevelsofcorrosionresistancewhencomparedtotradi:onalaluminumalloys.

    •  Waterintrusionduetocorrosion

    •  Componentsbeingplacedlowerinthevehicle

    •  Componentsgoingintoharsherenvironments

    •  Strictenvironmentalrequirements

    •  Newenviromentsforaluminumcomponentsduetoweightreduc:onrequirements

    K-Alloy/A304WhyUseK-Alloy?

  • K-Alloy/A304Benefits

    HighElonga+on CorrosionResistantOffersuniqueengineeringsolu:ons,nopaintorcoa:ngsrequired.

    LongerDieLifeEqualtoA380.Dielifeis2-3xlongerthanotheralloys.Highironcontent.

    ThermalConduc+vity15%beVerthanA3805%ascast

    8%-14%heattreated

    8%

  • Automo:veApplica:ons

    Construc:on/AgricultureEquipment

    MarineApplica:ons Indoor/OutdoorLigh:ng

    Furniture MilitaryApplica:ons

    K-Alloy/A304TypicalApplica:ons

  • K-Alloy/A304Thehousingshowsnovisualcorrosion,normetallossdietochemicalreac:on.

    A360AlloyThehousingshows

    signsofmaterialloss,pi]ng,andraisedperimetercompletelymissing.

    K-Alloy/A304Thesamehousingshowsthetopcoverremoved.Thesealedsurfaceremainsintactandshowsnosignsofwaterintrusionnorsurfacecorrosion.

    A360AlloyHousingshowssignsofwaterintrusion.Corrosiontotheedgeofthehousingispronounced.Severesurfacepi]ngisevident.

    K-Alloy/A304CorrosionResistance

  • PropertyK-Alloyascast

    K-Alloyheattreated

    Silafont-36 Aural-2 A360 A380 A383 A413

    TensileStrength(PSI) 43,000 42,000 41,000 36,000 46,000 47,000 49,000 42,000

    YieldStrength(PSI) 25,000 23,000 20,000 18,000 25,000 23,000 23,000 19,000

    Elonga:on 5.0% 8-14%4.5%ascast

    8-11%heattreated5.0%ascast

    8-10%heattreated3.5% 3.5% 3.5% 3.5%

    ThermalConduc:vity(W/m.k.@77°F)

    120 120 120 120 113 96 96 121

    ElectricalConduc:vity(%ofAICS)

    32 - - - 27 25 28 31

    Density(gmscm-3) 2.63 2.63 2.64 2.64 2.63 2.71 2.74 2.66

    CorrosionResistance(1=worst,10=best)

    10 10 10 10 6 3 3 6

    DieLife%ofA380 100% 100% 40% 40% 100% 100% 100% 100%

    K-Alloy/A304MaterialProper:es

  • K-Alloy/A304MaterialProper:es–Aierheattreatment

    UTS196MPaYS170Mpa8%elonga:onatbreak

    K-Alloyrespondswelltoheattreatmentforelonga:on(highe%)applica:onneeds

    Manynewstructuralautomo:vecas:ngsrequirehighere%