Cov tsos ntawm covtitanium pas nrigNws zoo ib yam li cov hlau, nrog qhov ntom ntawm 4.51 g / cm3, uas yog tsawg dua 60 feem pua ntawm cov hlau. Nws yog qhov tsawg tshaj plaws ntawm cov khoom siv hlau hauv cov hlau refractory. Cov cuab yeej cuab tam ntawm titanium, piv txwv li cov khoom siv kho tshuab, muaj feem cuam tshuam nrog purity. High-purity titanium muaj machinability zoo heev, zoo heev elongation thiab cheeb tsam shrinkage, tab sis tsis haum rau siv raws li cov khoom siv vim nws tsis muaj zog. Muaj cov ntshiab titanium muaj qhov tsim nyog ntawm impurities, siab zog thiab plasticity, thiab tsim nyog rau kev tsim cov khoom siv. Titanium thiab titanium alloy billets muaj cov thermal conductivity tsawg, uas yuav ua rau muaj qhov sib txawv ntawm qhov kub thiab txias ntawm txheej txheej thiab txheej sab hauv thaum kub extrusion. Thaum qhov kub ntawm lub tog raj kheej extrusion yog 400, qhov kub sib txawv tuaj yeem ncav cuag 200 ~ 250. Nyob rau hauv kev sib xyaw ua ke ntawm suction ntxiv dag zog thiab qhov kub ntawm qhov sib txawv ntawm qhov seem, cov hlau ntawm qhov chaw thiab qhov nruab nrab ntawm cov billet muaj qhov sib txawv ntawm lub zog thiab cov yas, uas yuav ua rau tsis sib xws heev thaum lub sij hawm extrusion txheej txheem, thiab tsim ib tug loj. ntxiv tensile quab yuam ntawm txheej txheej. Kev ntxhov siab dhau los ua qhov chaw ntawm cov kab nrib pleb thiab cov kab nrib pleb ntawm cov khoom extruded. Cov txheej txheem kub extrusion ntawm titanium thiab titanium alloy cov khoom yog qhov nyuaj tshaj li ntawm aluminium alloys, tooj liab alloys thiab txawm hlau, uas yog txiav txim los ntawm tshwj xeeb lub cev thiab tshuaj zog ntawm titanium thiab titanium alloys.
Txog tam sim no, lubricants yuav tsum tau siv thaum lub sij hawm extrusion ntawm titanium rods. Lub ntsiab yog vim li cas titanium yuav tsim eutectic nrog hlau-raws li los yog npib tsib xee-raws li alloy pwm cov ntaub ntawv ntawm 980 thiab 1030, uas yuav ua rau muaj zog pwm hnav. Thaum siv cov graphite lubricants, sib sib zog nqus longitudinal khawb kab yog tsim nyob rau saum npoo ntawm cov khoom, uas yog tshwm sim los ntawm titanium rods thiab titanium alloy rods sticking rau pwm. Thaum cov profile yog extruded nrog iav lubricant, ib yam tshiab ntawm qhov tsis xws luag "lub hnab tshos", uas yog, cov kab nrib pleb ntawm cov khoom, yuav tshwm sim. Cov kev tshawb fawb pom tau hais tias cov tsos ntawm "pitting" yog vim tsis tshua muaj thermal conductivity ntawm titanium thiab titanium alloys, uas ua rau lub nto txheej ntawm lub billet kom txias sharply thiab cov plasticity poob sharply.
Titanium alloys tuaj yeem muab faib ua lub zog qis thiab siab plasticity, nruab nrab lub zog thiab lub zog siab, xws li 200 MPa txog 1300 MPa, tab sis tuaj yeem suav tau tias muaj zog alloys feem ntau. Lawv muaj lub zog siab dua li aluminium alloys, uas suav tias yog lub zog nruab nrab, thiab tuaj yeem hloov tau qee yam ntawm cov hlau raws li lub zog. Piv nrog rau qhov poob qis hauv lub zog ntawm aluminium alloys siab tshaj 150, qee cov titanium alloys tseem tuaj yeem tuav lub zog zoo ntawm 600. Titanium yog cov hlau ntom ntom uas muaj txiaj ntsig zoo los ntawm kev lag luam aviation vim nws lub teeb yuag, siab zog dua aluminium alloys, thiab siab kub siab zog tshaj aluminium. Muab hais tias qhov ceev ntawm titanium yog 57 feem pua ntawm cov hlau, nws lub zog tshwj xeeb (lub zog / qhov hnyav piv lossis lub zog / qhov sib piv yog hu ua lub zog tshwj xeeb), kev tiv thaiv corrosion, oxidation tsis kam, thiab qaug zog kuj muaj zog heev. Peb-quarters ntawm titanium alloys yog siv los ua cov ntaub ntawv uas sawv cev los ntawm aerospace structural alloys, thiab ib-quarter feem ntau yog siv los ua corrosion-resistant alloys. Titanium alloys muaj lub zog siab, tsis tshua muaj ntom, zoo txhua yam khoom, zoo toughness thiab corrosion kuj. Tsis tas li ntawd, titanium alloys muaj kev ua haujlwm tsis zoo, tsis yooj yim rau kev txiav, thiab yooj yim rau nqus cov impurities xws li hydrogen, oxygen, nitrogen, thiab carbon thaum ua haujlwm kub. Tsis tas li ntawd, qhov hnav tsis kam yog qhov tsis zoo thiab cov txheej txheem tsim khoom yog qhov nyuaj. Kev tsim khoom ntawm titanium pib hauv xyoo 1948. Nrog rau kev txhim kho ntawm kev lag luam aviation, kev lag luam titanium loj hlob ntawm qhov nruab nrab txhua xyoo ntawm kwv yees li 8 feem pua. Tam sim no, cov khoom tsim tawm txhua xyoo ntawm titanium alloy ua cov ntaub ntawv hauv ntiaj teb tau mus txog ntau dua 40, 000 tons, thiab muaj ze li ntawm 30 qib titanium alloy. Feem ntau siv titanium alloys yog ti-6al-4v (TC4), ti-5al-2.5sn (ta7) thiab industrial ntshiab titanium (TA1, TA2 thiab TA3).
Tiv tauj peb kom paub ntau ntxiv. Ua tsaug
Nicole
Lub tuam txhab: Baoji Jimiyun Dynamic Co., Ltd
Tebchaws: Suav teb
Ntxiv: Baoti txoj kev, Jintai, Baoji nroog, Shaanxi, Suav teb
Cel: ntxiv rau 86 13369210920
Gmail:nicole@jmyunti.com
Lub Vev Xaib: www.jm-titanium.com
