Dab tsi yog Ntau Corrosion-resistant, Ntshiab Titanium lossis Titanium Alloy?
Titanium alloy ua haujlwm nyob rau hauv huab cua ntub thiab dej hiav txwv nruab nrab, thiab nws cov corrosion kuj zoo dua li cov hlau tsis muaj steel; nws yog tshwj xeeb yog resistant rau pitting corrosion, acid corrosion, thiab kev nyuaj siab corrosion; Nws tiv taus alkali, chloride, chlorine-based organic tshuaj, nitric acid, thiab sulfuric acid. etc. muaj zoo heev corrosion kuj. Txawm li cas los xij, titanium muaj qhov tsis zoo corrosion rau cov xov xwm nrog txo cov pa oxygen thiab chromium ntsev.
Qhov ceev ntawm titanium alloys feem ntau yog nyob ib ncig ntawm 4.51g / cm3, uas tsuas yog 60% ntawm cov hlau. Lub zog ntawm ntshiab titanium tsuas yog ze rau lub zog ntawm cov hlau zoo tib yam. Qee qhov muaj zog titanium alloys siab tshaj lub zog ntawm ntau cov qauv hlau alloy. Yog li ntawd, lub zog tshwj xeeb (lub zog / ntom) ntawm titanium alloys yog ntau dua li ntawm lwm cov khoom siv hlau.
Titanium yog ib hom hlau tshiab. Kev ua haujlwm ntawm titanium muaj feem xyuam rau cov ntsiab lus ntawm impurities xws li carbon, nitrogen, hydrogen, thiab oxygen. Cov ntsiab lus impurity ntawm cov ntshiab titanium iodide tsis tshaj 0.1%, tab sis nws lub zog yog tsawg thiab nws cov plasticity siab. Cov khoom ntawm 99.5% kev lag luam ntshiab titanium yog: ceev ρ=4.5g/cm3, melting point 172. Silicon-titanium alloy hnav-resistant pem teb 5 degree, thermal conductivity λ=15.24W/(mK ), tensile lub zog σb=539MPa, elongation δ=25%, thaj tsam txo ψ=25%, elastic modulus E=1.078 × 105MPa, hardness HB195.
Qee qhov chaw yuav tsum tau siv tshwj xeeb titanium alloys:
1. Nyob rau hauv ib puag ncig corrosion corrosion: Ntshiab titanium thiab titanium alloys yog siv rau cov khoom siv dav dav. Nyob rau hauv qhov chaw uas muaj qhov sib txawv ntawm lub cev xws li flange qhov chaw thiab cov phaj phaj, titanium alloys uas tiv taus cov crevice corrosion yuav tsum tau siv, xws li: Ti-pd alloy, TI-Mo-Ni alloy.
2. Nyob rau hauv ib puag ncig nrog corrosion thiab qaug zog loads, xws li rotating qhov chaw, high-strength titanium alloys, xws li Ti-6Al-4V, yuav tsum tau siv.
3. Nyob rau hauv cov xwm txheej uas qhov kub thiab txias, lub siab yog siab, thiab nws yog corrosive, yog hais tias zoo tib yam ntshiab titanium siv, lub thickness ntawm ntshiab titanium yuav tuab heev vim muaj kev nyuaj siab kuj tsawg. Titanium alloys yuav tsum tau siv thiab tus nqi ntawm cov khoom yuav tsum tau txo kom txuag tau nyiaj. nqi.
