Cov yam ntxwv ntawm ferro titanium
Qhov ntom ntawm titanium yog 4.51g / cm3, uas yog 57% ntawm cov hlau, titanium tsawg dua ob zaug hnyav thiab peb zaug muaj zog dua txhuas. Lub zog tshwj xeeb ntawm titanium alloy (lub zog / qhov sib piv) yog qhov loj tshaj plaws ntawm cov khoom siv feem ntau siv (saib cov lus 2-1), thiab lub zog tshwj xeeb ntawm titanium alloy yog 3.5 npaug ntawm cov hlau tsis muaj steel, 1.3 npaug ntawm txhuas. alloy, thiab 1.7 npaug ntawm magnesium alloy, yog li nws yog ib qho khoom siv tseem ceeb hauv kev lag luam aerospace.
2. Zoo heev corrosion kuj
Lub passivity ntawm titanium nyob ntawm seb muaj cov oxide zaj duab xis, thiab nws cov corrosion kuj nyob rau hauv oxidizing xov xwm yog zoo dua li nyob rau hauv txo cov xov xwm. Cov nqi siab ntawm corrosion tshwm sim hauv kev txo cov xov xwm. Titanium tsis corroded nyob rau hauv ib co corrosive media, xws li seawater, ntub chlorine, chlorite thiab hypochlorite daws, nitric acid, chromic acid, hlau chlorides, sulfides thiab organic acids. Txawm li cas los xij, hauv kev tshaj tawm uas cuam tshuam nrog titanium los tsim cov hydrogen, xws li hydrochloric acid thiab sulfuric acid, titanium feem ntau muaj tus nqi siab corrosion. Txawm li cas los xij, yog tias ib qho me me ntawm oxidant ntxiv rau cov kua qaub, ib zaj duab xis passivation yuav raug tsim nyob rau saum npoo ntawm titanium. Yog li ntawd, titanium yog corrosion-resistant nyob rau hauv sib tov ntawm muaj zog sulfuric acid-nitric acid los yog hydrochloric acid-nitric acid, thiab txawm nyob rau hauv hydrochloric acid muaj dawb chlorine. Titanium's tiv thaiv oxide zaj duab xis yog feem ntau tsim thaum cov hlau tsoo dej, txawm nyob rau hauv me me dej los yog dej vapor. Yog tias titanium raug rau ib puag ncig oxidizing muaj zog uas tsis muaj dej txhua, oxidation ceev yuav tshwm sim thiab hnyav heev, thiab txawm tias spontaneous combustion feem ntau yuav tshwm sim. Qhov tshwm sim no tau tshwm sim hauv cov tshuaj tiv thaiv ntawm titanium nrog fuming nitric acid uas muaj ntau tshaj nitrogen oxide thiab titanium nrog cov roj chlorine qhuav. Yog li ntawd, txhawm rau tiv thaiv cov tshuaj tiv thaiv zoo li no, nws yog ib qho tsim nyog yuav tsum muaj qee qhov dej.
Feem ntau txhuas poob nws cov khoom qub ntawm 150 degree thiab stainless hlau ntawm 310 degree, thaum titanium alloy tseem khaws cov khoom zoo ntawm cov khoom siv txog 500 degree. Thaum qhov ceev ntawm lub dav hlau mus txog 2.7 npaug ntawm lub suab ceev, qhov kub ntawm lub dav hlau qauv nce mus txog 230 degree, aluminium thiab magnesium alloys tsis tuaj yeem siv, thiab titanium alloys tuaj yeem ua tau raws li qhov yuav tsum tau ua. Titanium muaj cua sov zoo, thiab nws yog siv nyob rau hauv cov discs thiab hniav ntawm aero engine compressors thiab daim tawv nqaij ntawm lub rear fuselage ntawm aircraft.
Lub zog ntawm qee cov titanium alloys (xws li Ti-5AI-2.5SnELI) nce nrog qhov kub thiab txias, tab sis cov yas tsis txo qis ntau, thiab nws tseem muaj qhov zoo ductility thiab toughness ntawm qhov kub thiab txias. , uas yog haum rau siv nyob rau hauv ultra-tsawg kub. Nws tuaj yeem siv rau hauv cov kua hydrogen qhuav thiab kua oxygen foob pob ua ntxaij tshuab, lossis ua cov ntim kub qis thiab cov tso tsheb hlau luam hauv cov neeg caij nkoj.
Titanium yog non-magnetic, nws yog siv nyob rau hauv submarine shells thiab tsis ua rau tawg ntawm mines.
6. Me thermal conductivity
Hu rau
Soyee Cheng
ZHEN INTERNATIONAL CO., LTD
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Cim npe nrov: ferro titanium feti 30, Tuam Tshoj ferro titanium feti 30 manufacturers, lwm tus neeg, Hoobkas