Cov khoom ntawm Titanium thiab Alloys

Ti {-6 al {{1} v titanium txhuas, zoo ua kev ua tau zoo, thiab lwm yam zoo tshaj plaws tshuab cov ntaub ntawv.

Titanium alloy yog ib hom tshiab ntawm cov khoom siv, nws muaj kev ua tau zoo heev, xws li qhov ntom ntom (~ 4.5g cm-3), lub zog tshwj xeeb thiab tshwj xeeb tawg toughness, qaug zog thiab zoo tiv thaiv tawg, zoo Tsis tshua muaj kub toughness, zoo heev corrosion kuj, ib co titanium alloys, lub siab tshaj plaws ua hauj lwm kub ntawm 550ºC, yuav tsum mus txog 700ºC. Yog li ntawd nws yog nyob rau hauv cov tshuaj lom neeg kev lag luam, shipbuilding thiab lwm yam kev lag luam sectors kom tau ib tug zuj zus ntau yam ntawm daim ntawv thov, kev loj hlob sai.

Titanium yog lwm yam tseem ceeb ntawm corrosion kuj, uas yog titanium affinity rau oxygen yog tshwj xeeb tshaj yog loj, muaj peev xwm tsim ib tug tuab txheej ntawm oxidized zaj duab xis rau nws nto, uas yuav tiv thaiv titanium los ntawm nruab nrab corrosion. Titanium hlau nyob rau hauv feem ntau aqueous daws, muaj peev xwm tsim ib tug passivated oxide zaj duab xis rau saum npoo. Yog li ntawd, titanium nyob rau hauv acidic, alkaline, nruab nrab saline tov thiab oxidizing nruab nrab muaj kev ruaj ntseg zoo, tab sis nyob rau hauv ib tug tej yam nruab nrab, yuav tsis tu ncua yaj cov oxide zaj duab xis rau saum npoo ntawm titanium, titanium nyob rau hauv nruab nrab no yuav raug corrosion. Piv txwv li, hydrofluoric acid, concentrated kub hydrochloric acid, txaus acid thiab phosphoric acid, titanium yog corroded vim hais tias cov tshuaj dissolves titanium nto oxide zaj duab xis. Yog tias cov oxidizer lossis qee cov hlau ions ntxiv rau cov kev daws teeb meem no, titanium nto oxide zaj duab xis yuav raug tiv thaiv.