Ntsug planetary pob zeb
Hauj lwm lawm
Kev tsis
Raws li kev ua tau zoo heev thiab ua tiav cov khoom lag luam hmoov ua, covntsug planetary pob zebUa si lub luag haujlwm tseem ceeb hauv ntau cov liaj teb xws li cov ntaub ntawv tshawb fawb, tshuaj engineering, metallgy, thiab lub zog tshiab. Nws cov lus tsa suab zoo nkauj tuaj yeem ua tiav kev sib tsoo zoo, muab cov khoom siv tshiab, muab cov khoom siv tshiab, kev txhim kho cov khoom lag luam zoo thiab cov txheej txheem txhim kho ntawm cov txheej txheem ntau lawm.
Nrog nws cov qauv ua haujlwm tshwj xeeb, kev ua tau zoo cov yam ntxwv thiab cov ntawv thov dav, cov cuab yeej no ua si yog lub luag haujlwm Irreplaceable hauv ntau kev lag luam. Nrog kev nce qib nruam ntawm kev siv thev naus laus zis thiab hloov pauv tas mus li hauv kev ua lag luam xav tau,Ntsug planetary pob millstseem yuav txuas ntxiv ua lag luam thiab txhim kho, txav mus rau kev txawj ntse, kev ua haujlwm loj, muaj kev ua haujlwm siab thiab ib puag ncig ua phooj ywg. Rau cov lag luam uas muaj feem cuam tshuam thiab kev tshawb fawb, kev nkag siab zoo ntawm nws cov cuab yeej siv cov txuj ci thiab siv cov khoom siv, txhim kho cov khoom lag luam zoo, thiab txhawb nqa cov khoom lag luam zoo ntawm kev lag luam.
Chaw ua uas tsis tau haus
Kev sib tsoo cov txheej txheem siv
Cov txheej txheem sib tsoo ntawm covntsug planetary pob zebyog ib txoj kev hloov pauv hluav taws xob thiab kho lub zog hloov hluav taws xob thiab cov txheej txheem deformation. Nws tau ua tiav cov khoom siv loj me me, tivthaiv tov thiab tswj cov txheej txheem kev tswj hwm los ntawm ntau txoj kev sib tsoo ntawm cov khoom sib tsoo ntawm cov khoom sib tsoo thiab cov khoom siv. Cov hauv qab no yog qhov ntsuas pom ntawm plaub qhov ntev: Decomposition ntawm cov theem, zog hloov tsheb, thiab cawv ntawm cov tsis muaj tseeb:
Kev txiav txim siab ntawm cov lus tsa suab theem hauv cov txheej txheem sib tsoo
Ejection Ntu: Kev Cuam Tshuam Kev Ua Haujlwm Zoo thiab Kev Cuam Tshuam Chaw Nres
TRIGGER TXIV: Thaum kev ceev nrawm thiab nrawm ntawm cov pob zeb tseem ceeb (feem ntau 1: 1.5 rau 1: 1.5 rau 1: 1.5), tawm ntawm phab ntsa thiab nkag mus rau kev saib xyuas.
Cov yam ntxwv zog: Cov pob sib tsoo tawm tsam cov khoom ntawm kev ceev ntawm 5 txog ib qho cuam tshuam nrog lub zog ntawm cov khoom sib tsoo thiab cov xwm txheej ntawm lawv qhov nrawm).
Cov nyhuv zoo:
Cov ntaub ntawv nyuaj thiab tawv ncauj (xws li Quartz thiab Alumina): Lawv ncaj qha rau kev tawg thiab pob txha lov, nrog rau kev txo qis ntawm 50% mus rau 80% hauv qhov loj me.
Cov ntaub ntawv mos muag (xws li polymers thiab hlau hmoov): los ntawm cov yas yas hauv zos, lub pits yog tsim los npaj rau kev ua kom zoo dua.
Poob theem: Siab mem tes thiab kev ntxhov siab ntau
Cov yam ntxwv tau pom zoo: cov khoom sib tsoo ywj pheej los ntawm kev nthuav dav Vertex, yog nrawm dua los ntawm kev cuam tshuam pawg pawg, sib haum ntawm cov mem tes ntsug hauv caug mem tes.
Kev Nyab Xeeb Hloov
Qhov cuam tshuam yuam kev ua kom muaj cov nthwv dej thiab cov nplais compression thiab compression vuag nyob rau hauv cov khoom siv, ua rau cov lus tshaj tawm ntawm microcacks ntawm cov me me.
Cov kev ntxhov siab pom cov coefficient tuaj yeem ncav cuag 3 txog 5 zaug, ua rau cov lus tsis txaus ntseeg (xws li cov ciaj ciam nplej thiab theem sib cuam tshuam).
Raug prenomenon:
Cov ntaub ntawv txheej (xws li graphite thiab av nplaum): thaum stripped raws lub cleavage dav hlau, tus interlayer spacing yog txo.
Multiphase Composites: Interfacial Debonding, sib cais ntawm cov theem ntxiv ntawm kev sib tw.
Dov theem: shearing refinement thiab homogenization
Kev sib txhuam tshuab: Cov khoom sib tsoo yob rau saum npoo ntawm cov khoom. Los ntawm kev sib xyaw ua ke ntawm cov swb txhuam ({{{}}. {}}. 05), Kev Txiav Nyiaj Txiag Micro.
Kev kho kom zoo
Rolling kev sib txhuam tuaj yeem tev tawm ntawm cov txheej txheej saum npoo tuab tuab ntawm {} μm ib feeb, thiab yog haum rau kev sib tsoo zoo nrog particle loj<10μm.
Nruam rolling ua rau cov particle zoo li yog spherical, thiab thaj chaw tshwj xeeb nce los ntawm 10% {1%.
Nws sib xyaw:
Cov ntaub ntawv ntawm cov khoom sib txawv tau yuam kom tuaj rau hauv kev sib cuag thaum lub sij hawm dov, ua ke nrog cov nrws kev sib xyaw ua ke los ntawm kev cuam tshuam, ua tiav molecular-theem kev sib xyaw.
Qhov kev sib xyaw ntawm kev sib xyaw (CV tus nqi) tuaj yeem txo qis tsawg dua 5%, ntsib cov kev cai roj teeb siab, catalysts, thiab lwm yam.
Lub zog hloov thiab hloov dua siab txheem mechanism
Cov Tswv Yim Cov Tswv Yim
Orbital Kinetic Zog: kev sib hloov ntawm lub turntable muab lub zog yooj yim, cov nyiaj txiag rau 30% ntawm tag nrho cov zog ntawm cov kab ke ntawm kev sib tsoo ntawm cov khoom sib tsoo.
Kev sib hloov ntawm tus kheej lub zog - txoj kev sib hloov ntawm tus kheej ntawm lub pob zeb ua ke los tsim cov khoom sib tsoo los ua kom muaj zog
Kev sib tsoo lub zog tsis txaus: Kev sib tsoo ntawm kev sib tsoo pob thiab xws li lub zog hluav taws xob sib tsoo (20% {%), thiab thermal zog (5% {5}}%).
Zog ntom
Tseem ceeb tswj kev tswj hwm
Kev tig nrawm dhau (<60% critical value) : The grinding balls slide against the wall, the energy density is <10 W/kg, and the grinding efficiency is low.
Excessively high rotational speed (>120% tseem ceeb tus nqi): cov khoom sib tsoo los ntawm cov khoom lag luam, lub zog siv hluav taws xob tsawg dua, thiab nws yog qhov ua rau lub tank rau overheat.
Qhov zoo tshaj plaws: Thaum lub zog sib zog yog 1: 2, lub zog ntom ntom txog {} w / kg, ntsuas kev ua tau zoo thiab ruaj khov.
Lub zog faib khoom siv
Coarse grinding stage: Increase the orbital speed (>300 rpm), nce cov feem ntawm kev cuam tshuam lub zog rau 70%, thiab nrawm dua qhov loj me me rau} μm.
Kev sib tsoo zoo: txo cov nrawm nrawm rau {}} rpm, nce kev sib txhuam ntawm cov kev sib txhuam kom muaj zog rau 50%, thiab ua tiav nanoscale nrog particle loj<1μm.
Cov ntaub ntawv tsis raug thiab thinning tus cwj pwm
Cov ntaub ntawv loj (xws li zirconia, silicon carbide)
Hom Pobzeb: Feem ntau hloov chaw ua ke, cov kab nrib pleb txuas ntxiv ntawm lub dav hlau crystal crystal, thiab cov lus qhia txog lub ntsej muag morphology.
Refinement rate: In the initial stage (0-1h), the particle size decreases exponentially (D50 drops from 100μm to 10μm), and in the later stage (>3H), nws ua rau qeeb (nres tom qab D5 0 dauv rau 0.5μm).
Cov Kev Siv Cov Ntawv Raug: Nano-Fabrication of Ceramic hmoov thiab tawv alloy raw khoom.
Cov ntaub ntawv tawv (xws li tooj liab hmoov, polystyrene)
Deformation mechanism:
Txias vuam: Fracture los saum npoo nthwv cua nyob rau hauv kev kub siab rau daim ntawv-zoo li lossis fibrous aggregates.
Ua haujlwm hnyav: Kev nce hauv kev rho tawm cov kev tsis sib haum ua rau 20% {% nce nyob rau hauv hatalness (}% yuav tsum tau tshem tawm sab hauv kev ntxhov siab.
Refinemanced Tswv Yim: Ntxiv cov txheej txheem tswj cov neeg sawv cev (xws li cov roj ntsha xav tsis meej, thiab lub hom phiaj me me feem ntau {0} μm.
Composite cov ntaub ntawv (xws li cov nanotubes / polymers)
Interface muaj nuj nqi:
Qhov kev cuam tshuam yuam kev cuam tshuam cov pa roj carbon tub rog tube, nthuav tawm cov chaw nquag, thiab txhawb nqa cov tshuaj lom neeg nrog cov matrix.
Rolling kev sib txhuam ua rau cov kev qhia ntawm cov roj carbon rau hauv cov roj carbon monoxes hauv matrix, txhim kho hluav taws xob conductivity los ntawm 3 txog 5 zaug.
Cov xwm txheej raug: kev npaj cov neeg sawv cev rau cov roj teeb lithium-ion thiab cov khoom siv hluav taws xob.
Cov kev cai ntawm cov txheej txheem sib tsoo los ntawm cov ntsiab lus tseem ceeb
Rotational Rotio (Revolution: Kev Hloov)
|
Rotational Rotio |
Zog faib (cuam tshuam: kev sib txhuam) |
Siv tau cov particle loj li cas |
Cov Ntaub Ntawv Raug Raug |
|
1:1 |
80%:20% |
100-500μm |
Ore pre-crushing |
|
1:2 |
60%:40% |
10-100μm |
Ceramic Hmoov |
|
1:3 |
40%:60% |
0.1-10μm |
Cov Khoom Siv Hluav Taws Xob |
Sib Tsoo Pob Pob
Bimodal Faib (piv txwv li φ10mm: φ5mm {2}}}: 2):
Cov khoom loj (φ10mm) muab thawj yam cuam tshuam crushing, thaum cov khoom me me (φ5mm) sau cov voids, ua kom tiav cov ntawv sau ua kom tiav rau 70%.
Cov kev sib xyaw ua ke tau nce los ntawm 40% piv nrog ib lub cheeb, thiab lub zog siv hluav taws xob txo los ntawm 25%.
Peb-lub luag haujlwm faib tawm (piv txwv li φ15mm: φ10mm: φ5mm {4}}}}: 2: 3):
Ua tiav cov ntxhib-nruab nrab-nplua peb-theem sib tsoo, nrog lub hom phiaj particle loj d90<0.5μm, and is suitable for ultrafine ceramics and catalyst carriers.
Sau tus nqi kev txhim kho
Tseem ceeb filling (φ _ c):
Pφ _}}}}} Pa Ball D!
Qhov ntsuas tiag tiag uas feem ntau 0. {}}. 7}}. 7} {}. 7} {}.
Dynamic Kev Haum
Nyob rau hauv cov ntxhib sib tsoo theem, ib tug siab sib sau (70% {1}}}%) yog saws txhim kho qhov cuam tshuam rau lub zog.
Nyob rau hauv cov hmoov sib tsoo, nws yog txo qis rau 60% -65}}}}% kom txo qis zog los ntawm kev sib tsoo ntawm cov khoom sib tsoo.
Daim Ntawv Thov Khoom Siv thiab Ua Haujlwm Pov Thawj
Cathohode cov ntaub ntawv rau lithium-ion roj teeb (lini₀. Kojdaogarder {}} co₀.₁mn₀.₁o₂)
Txheej txheem tsis pom zoo: Kev nrawm dua 1: 2, puv tus nqi kawm (φ8mm: φ5}}} φ5} φ5}, ethanol ntub sib tsoo rau 12 teev.
Cov nyhuv:
Lub particle loj d5 {2}}}}}}}}}}}}}}}}}}}}}}} 8μm, thiab thaj chaw tshwj xeeb nce los ntawm 1.2 m rau 12.5 m² / g.
The discharge capacity is increased by 18% at a rate of 0.5C, and the capacity retention rate is >90% tom qab 500 txog.
Biomedical Hydroxyapatite (HA) NANO HM HMOOV
Txheej txheem tsis pom zoo: kev sib piv ceev 1: 2.5, tau sau tus nqi 60%, zirconia sib tsoo cov khoom sib tsoo (CON, cov dej sib tsoo ntub dej sib tsoo rau 24 teev.
Cov nyhuv:
Lub particle loj d90<100nm, and the crystal form remains intact (XRD peak intensity ratio I(002)/I(211)=2.1).
The cytotoxicity test (MTT method) showed that the survival rate was >95%, ntsib cov cai ntawm cov ntaub ntawv cog.
Xaus thiab Txhim Kho Kom Zoo
Txheej Txheem Mechanism Daj
Los ntawm kev ntsuas kev thaij duab siab thiab txawv txav kev sib tsoo ntawm cov pob sib tsoo thiab cov txheej txheem tsis txaus ntseeg
Cov Khoom Siv Khoom Txhawb
Tsim kho kev hloov kho ceev kev tswj hwm cov txheej txheem ceev uas dynamically hloov kho cov tswv yim-lub zog hluav taws xob tiag tiag los ntawm 15% mus rau 20%.
Pab txheej txheem tshiab
Los ntawm kev sib txuas ntawm cryogenic sib tsoo, microwave-pab thiab lwm txoj kev, nws tawg los ntawm kev txwv qis dua ntawm qhov loj me (<50nm) and energy consumption bottleneck of traditional grinding.
Cov txheej txheem sib tsoo ntawm covntsug planetary pob zebYog qhov tseem ceeb tshaj cov kev cai txuas ntawm lub zog, qauv thiab kev ua tau zoo. Los ntawm kev tswj hwm kev tswj hwm Kinematic thiab cov kev tsim kho kom zoo li cas, muab cov cuab yeej txhawb nqa tau, muab cov khoom siv txhawb nqa rau kev txhim kho cov ntaub ntawv qib siab.
Cim npe nrov: Ntsug planetary pob zeb zeb zeb, Tuam Tshoj Ntsug Ntiaj Teb Pob Zeb Portety, Chaw muag khoom, Hoobkas
Xa kev nug
