Ti {-6 al -4 v titanium alloy: cov yam ntxwv tseem ceeb
Aluminium 5.5-6.75%, Vanadium 3.5-4.5%, thiab cov kab mob carbon, carbon, thiab lwm yam. Nws qhov ntom yog 4.44g / cm ³; Qhov ntau ntawm melting kub yog 1630-1650 degree. Nrog ranges ntawm 825-895 MPA thiab 895-1180 MPa nkaus xwb, cov titanium alloy qhia zoo elongation (10-15%) thiab hla kev shrinkage (25-35%). Nws lub zog tensile thiab tawm los dag zog yog qhov zoo.
Ti {-6 al {{1} v titanium alloy lub neej tsis zoo, uas tsim cov khoom siv kub tsis zoo, yog li lub tshuab tsis zoo ntawm no alloy yog qhov tseem ceeb heev. Cov txheej txheem kev kho cua sov xws li kev kho mob, daws teeb meem, thiab kev kho mob laus tuaj yeem pab ua kom pom zoo rau nws cov neeg kho zoo, txawm li cas los xij. Txuas ntxiv rau daim ntawv thov hauv Maritime thiab cov tshuaj suav, cov alloy qhia cov xwm txheej zoo heev suav nrog oxidising, muaj zog acid, thiab muaj zog alkali.
Aerospace Hlau 3D Tshuab Luam Ntawv Tshuab
Raws li cov txheej txheem sib txawv ntawm cov txheej txheem ntxiv, cov tshuab ua hlau 3D yuav muab kev lag luam sib xyaw ntawm cov kev lag luam intricate, yog li kev txhim kho kev tsim qauv kev tsim kho thiab ua tau zoo. Kev thov zoo heev ntawm ti -6 al {2} v titanium alloy tau ua rau nws ib qho ntawm cov ntaub ntawv tshawb xyuas hlau 3D.
Lub tshuab hluav taws xob ib lub plhaub hluav taws xob ntawm cov hluav taws xob, thiab cov pob khoom siv hluav taws xob suav nrog cov tshuab hluav taws xob tau yooj yim tuaj yeem tsim kev sib xyaw ua ke ntawm Cov qauv kev nyuaj no thiab lav qhov tseeb thiab qhov zoo ntawm cov chaw, cov tswv yim tsim khoom lag luam ib txwm muaj kev ua tiav. Platinum Technology tuam txhab, piv txwv li cov plhaub pob zeb rau "Rocki" uas txaus siab los tswj, muaj cov khoom siv hluav taws xob ruaj khov, thiab cov kws kho tshuab.
Cov Cheebtsam cov khoom sib xyaw: tshwj xeeb rau cov khoom tseem ceeb xws li roj txhaj tshuaj, uas tau tsim cov pob zeb tawg thiab kev tsim cov pob zeb ua haujlwm hu rau cov qauv technia siab heev. Kev sib xyaw ua ke ntawm cov kev tsim qauv zoo nkauj yog ua tau siv 3D tshuab luam ntawv tshuab, yog li ntawd txhim kho lub cav muaj peev xwm thiab kev ua tau zoo.
Txheej txheem txheej txheem ntawm tis: Thaum lawv muaj cov kev tsim kho nyuaj, cov dav hlau wings yuav tsum muaj lub zog loj thiab qhov hnyav me me. Txoj kev sab hauv sab hauv nrog rau cov nqaj hlau thiab cov pob tw tuaj yeem tsim los ntawm cov hlau 3D tshuab rau cov khoom siv tis. Txo qhov hnyav los ntawm kev tsim qauv txheej txheem yuav pab txhim kho cov khoom siv ntawm lub zog thiab txhav txhav sib dua.
Tuaj rau cov tshuab: lub dav hlau lub cav cuam tshuam 'ua haujlwm ua haujlwm ib puag ncig hu rau cov ntaub ntawv kub zoo thiab hnav tsis kam ntawm cov ntaub ntawv. Cav xuas nrog cov qauv sib txawv thiab cov qauv sab hauv, uas tuaj yeem ua rau cov peev txheej txias thiab ntev ua haujlwm lub neej, tuaj yeem tsim los ntawm cov tshuab hlau 3D luam ntawv.
Teeb meem thiab cov tshuaj kho rau ti -6 al -4 v titanium alloy hlau 3D luam ntawv
Ti {-6 AL {{v titanium alloy tseem qhia meej txawm tias nws muaj ntau cov txiaj ntsig rau kev siv hlau 3D. Raug ti {3}} al {{{4 4}} v adjititive tensile cov yam ntxwv ua ntej-lis. Yog li, nce cov yam ntxwv ntawm cov khoom noj ntawm eatiaxed tau dhau los ua cov kev kawm tseem ceeb.
Txhawm rau ua kom ua ntej - lis haujlwm ntawm ti -6 al {{{{{2} Tau thov kom muaj kev lag luam laser Siv laser ua rau kev poob siab tsis muaj zog, cavitation phenomena, thiab nrawm qauv los tsim cov khoom siv lded ua ntej - yog li ntawd muab ib puag ncig zoo. Nrog 3.78 lub sij hawm tus nqi ntawm ua ntej - cov khoom sib piv rau cov qauv kev lag luam ntxiv thiab muaj ntau dua equative ua ntej - nplej tau ua ntej los ua ntej 30 hli.
Cov khoom lag luam ntxiv piv thiab kev tshuaj xyuas kev ua tau zoo
Cov khoom siv ntxiv cov khoom siv yuav tsum ua kom txaus siab rau kev lag luam aerospace yog tias lawv yuav tsum tau siv hauv kev ua haujlwm. Raws li kev koom tes nrog Rolls Royce, ib pab neeg tshawb fawb los ntawm Nanyang thev naus laus zis kev ntsuas nrog Laser hmoov Melting (L-PBF). Cov kev tshawb fawb tau qhia tias generated ti {}} v primitive tsim txoj kev kho mob (niam) muaj cov quav huv zoo dua li tsim cov khoom ntawm cov ntaub. Sib nrug los ntawm qhov ntawd, qhov kev co cov txheej txheem sib txawv nce nto du uas ua rau lub neej muaj kev ntxhov siab ntawm kev tua cov coening.
Txoj kev tshawb no tseem tau muab hais tias los ntawm 50%, cov npoo polishing tuaj yeem tsa lub neej qaug zog ntawm machined thiab txhaj tshuaj-pegenation. Txuas ntxiv lub neej ntawm cov cheebtsam thiab zam kev ua tsis tiav nyob ntawm cov kev kho mob deg Txhaj Puamening qhia compressive kev ntxhov siab los ntawm kev tsim cov khoom siv yas thiab txhim kho cov qauv nto, li printtrace grain qauv kev ua tau zoo. Tua cov pumening tuaj yeem, txawm li cas los xij, ua rau muaj kev hloov pauv thiab ntau dhau ntawm qhov muag; Yog li, qhov tsim nyog saum npoo roughning yuav tsum tau kawg zoo polishing. Kev co polishing yog cov txheej txheem polishing uas tau muab cov khoom siv du thiab yog li kev ua kom zoo nkauj thiab cov nplej ua kom zoo nkauj rau saum npoo thiab hauv qab.
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