Yuav ua li cas tuaj yeem ua tau hlau 3D luam tawm qhov chaw txhim kho lawv cov npoo hnav tsis kam?

, Kev ua kom zoo txheej txheem tsis muaj zog: tiv thaiv microstructural flaws ntawm lawv cov keeb kwm
1. Kev tswj hwm kev sib koom tes ntawm scanning mus kom ze thiab laser fais fab
Tus cwj pwm ua rau tus cwj pwm me me ntawm lub taub hau melt hauv lub laser mel (SLM) cov txheej txheem yog cuam tshuam ncaj qha los ntawm cov kev sib ncas ntawm laser fais fab thiab kev ntsuas nrawm. Piv txwv li, thaum lub zog laser yog 250w thiab lub vijtsam ceev yog 1000mm / s, ua kom muaj zog me me ntxiv ntawm 'thiab' 'theem. Qhov no tsa cov nplaim thaiv tawv ntawm cov ntawv luam tawm rau 450 hv, uas yog 30% siab dua li ntawm cov chaw ua yeeb yam. Qhov no yog qhov teeb meem no rau inconel 718, ib npib tsib xee -} raws li alloy. Ib qho kev kuaj xyuas lub ntsej muag, ntawm qhov kev faib tawm ntawm kev ntxhov siab thaum tshav kub kub, ploj zuj zus ntawm cov kab nrib pleb
2. Kho kom haum ntawm lub zog ntom thiab txheej thickness
Raws li kev sim cov ntaub ntawv, qhov chaw saum npoo ntawm 316L stainless hlau luam tawm cov chaw tuaj yeem txo qis ntawm 50 μ m txog 30 μ m. Lub ntom ntom ntom ntawm titanium alloy luam tawm cov khoom tuaj yeem ua kom zoo nkauj (E {} p / (v yog txheej txheej Qhov no zoo heev txo abrasive hnav los ntawm pores.
3. Tsim kev tsim kho tshiab rau kev txhawb nqa cov qauv
Siv tsob ntoo {{0} Zoo li kev txhawb nqa ntau dua li cov kev puas tsuaj rau dai kom zoo nkauj tuaj yeem tiv thaiv thaj chaw txhawb nqa los ntawm ntau dua 30%. Boeing cov kev txhawb nqa kev hloov kho muab qhov siab- Tsis muaj kev kho kom zoo rau cov khoom siv txuas ntxiv los ntawm kev luam tawm aviariation rau 0.3%.
Deg densification thiab microstructure tsim los yog ob tus ncej - kev ua tau kev txhawb zog ntxiv dag zog.
Cov txheej txheem densification siv kub iostatic nias (hip)
HIP thev naus laus zis siv cov kev sib xyaw ua ke Tom qab hip kev kho mob, lub yob sib cuag fatural rog lub neej tau tsa los ntawm Turralline Discs ua los ntawm Cobalt Chromium Alloy nce ntawm 380 HV rau 520 HV. Txawm nyob rau hauv ib qho chaw huab cua nrog rau kev kub siab li 1500 degree, lub leap cav roj nozzle kho los ntawm ge teilizing siv cov txheej txheem no khaws cov txheej txheem tsis kam.
2, kev hloov kho saum npoo ntawm kev sib txhuam do ua (FSP)
FSP tuaj yeem kho cov qoob loo loj dua li 0.5 - 1}} ceev nrawm nrawm nroos los tsim cov hau yas. Thaum muab piv rau cov khoom siv tsis tau kho, FSP kev kho mob tuaj yeem tsa lub npoo tawv ntawm cov luam tawm txhuas alloy rau 180 hv thiab txhawb nqa cov ris tsis kam los ntawm 40%. Rau cov nyom sab hauv txaus khiav channel kev teeb tsa, xws li cov hnav {{} {tsis tshua muaj zog ntawm cov hluav taws xob muaj zog.
LSP, lossis laser poob siab meening
LSP tsim cov txheej txheem kev ntxhov siab ntawm cov khoom sib xyaw ntawm cov khoom sib xyaw ua ke txog 1 hli tob los ntawm kev siv siab liaser laser-}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} inducion ntshav poob siab. Tom qab kev kho lsp, qaug zog hnav lub neej ntawm cov luam tawm ua los ntawm tc4 titanium alloy tau peb npaug rau 520 HV. Qhov tseem ceeb tsaws iav Cheebtsam ntawm C919 lub dav hlau tau muaj lawv cov chaw muaj zog siv cov thev naus laus zis ntxiv siv cov thev naus laus zis.
3, Ntau {{- nplai tiv thaiv kab ke yog tsim siv cov tshuab ua haujlwm ua haujlwm.
1. Nyuaj txheej siv lub cev pa tawm (pvd)
Kev sib txhuam coefficient tuaj yeem raug txo qis rau 0.15 thiab kev nyuaj siab saum toj ntawm 3100 hv los ntawm kev thov ib qho kev siv nyiaj CRC} arc ion plating tshuab. Ntawm qhov kub ntawm 1000 degree, Siemens lub zog txo qis ntawm cov roj turnine los ntawm 80% piv rau cov khoom siv substrate tom qab ua tiav txheej.
2. Gradient txheej siv laser cladding
Synchronous hmoov lasas cladding Techning siv tau los tsim FECALLY / YSZ Gradient Thermal Teeb Meem Teeb Meem ntawm Nickel {}}} Raws li alloys. Ntawm qhov kub ntawm 1400 degree, txheej txheej tswj hwm kev ua kom lub cev tsis muaj zog ntawm lub neej ntev li 2000 mais ntawm lub cav
3. Electroplating txheej ntawm nano composite
Hauv kev sib piv rau cov xim ntshiab npib ntawm Nickel, lub hardness ntawm txheej yuav tsa mus rau 650 hv thiab nws cov kev coj ua tau zoo tuaj yeem hloov kho rau lub nickel {}} raws electroplating daws. Cov kev pabcuam lub neej ntawm cov thev naus laus zis tau nce ntxiv peb xyoos hauv Sandy Seasater chaw, thiab nws tau siv los tiv thaiv cov dej hiav txwv drilling ntawm ntug dej ntawm ntug dej.
4, Siv cov ntaub ntawv thiab kev ntsuas kev ua tau zoo
1. Turbine disc rau cov tshuab tsav dav hlau
Tom qab 1000 teev ntawm siab - kub cov txheej txheem ua kom muaj kev sib tw zoo nkauj, nce ntxiv los ntawm tsuas yog 0.2 μm raws li txwv mus rau 0.8 μm rau forged seem.
2. Sib sib zog nqus - hiav txwv drilling platform gearbox
Lub SLM + FSP + laser cladding composite siv los kho lub 3160 3}} v (SCE) uas yuav tsum tau ntsib API 6A cov qauv.
3. Piston Rings rau tsheb tshuab
Ntawm qhov kub ntawm 200 degree, kev sib txhuam coefficient ntawm cov steel ntiv tes ntxiv rau 0.0 nti}} zoo li cov pa roj carbon (DLC) txheej kho.