Cov yam ntxwv cuam tshuam rau Titanium Tubes

1. Segregation yam tsis xws luag
Ntxiv nrog rau beta cais, beta me ntsis, titanium-nplua nuj cais thiab stripe ib tug cais, dab tsi yog txaus ntshai yog qhov ruaj khov segregation ntawm interstitial hom a (hom kev cais), uas feem ntau yog nrog los ntawm qhov me me, cov kab nrib pleb uas muaj oxygen, nitrogen thiab Lwm cov Gases yog nkig. Kuj tseem muaj aluminium-nplua nuj ruaj khov segregation (hom I ib qho kev sib cais), uas kuj ua rau muaj kev phom sij txaus ntshai vim nws tau nrog cov kab nrib pleb thiab brittleness.
2. Kev suav nrog
Feem ntau ntawm lawv yog qhov siab melting point thiab high density hlau inclusions. Titanium alloys muaj lub siab melting point. High-density ntsiab tsis yog melted tag nrho rau hauv lub substrate (xws li molybdenum mixing), thiab kuj yog tov nyob rau hauv smelting raw cov ntaub ntawv (tshwj xeeb tshaj yog cov ntaub ntawv siv dua), cov khoom ntawm cemented carbide cov cuab yeej los yog cov txheej txheem electrode vuam tsis tsim nyog (titanium smelting - nqus nws tus kheej noj. ) Extreme remelting method), xws li tungsten arc vuam, tawm hauv high-density mixing, xws li tungsten mixing, tsuas yog titanium mixing, thiab lwm yam.
Lub xub ntiag ntawm inclusions tuaj yeem yooj yim ua rau muaj qhov tshwm sim thiab nthuav tawm ntawm cov kab nrib pleb hauv titanium rods thiab titanium hlab, yog li qhov tsis xws luag tsis tuaj yeem tshwm sim.
3. Residual shrinkage
4. Qhov
Txhua qhov muaj nyob ib leeg, lossis tej zaum yuav muaj ntau lub qhov nyob ze, uas yuav ua rau kom nrawm nrawm ntawm qhov qis qis qis thiab ua rau muaj kev puas tsuaj thaum ntxov.
5. Kev tawg
Feem ntau yog hais txog forging tawg. Titanium alloy muaj viscosity siab, tsis muaj fluidity thiab tsis zoo cua sov hloov. Yog li ntawd, nyob rau hauv cov ntaub ntawv ntawm forging deformation, vim loj nto kev sib txhuam, pom tseeb uneven internal deformation, thiab loj sab hauv thiab sab nraud kub sib txawv, nws yog ib qho yooj yim rau txiav bands (strain kab) tshwm sim nyob rau hauv lub titanium pas nrig nyob rau hauv lub titanium raj. tuaj yeem ua rau tawg hauv qhov mob hnyav. --Feem ntau raws li cov kev taw qhia ntawm loj deformation kev nyuaj siab.
6. Cua sov
Titanium alloy muaj thermal conductivity tsis zoo. Nyob rau hauv cov ntaub ntawv ntawm kub ua, ntxiv rau qhov tsis zoo cua sov ntawm titanium pas nrig, nyob rau hauv forging tej yam kev mob, lub titanium raj los yog raw cov ntaub ntawv kuj yooj yim overheated vim lub thermal nyhuv thaum lub sij hawm deformation, ua rau muaj kev hloov nyob rau hauv lub microstructure thiab tiam ntawm overheated. Widmanstatten qauv.