Yuav ua li cas yog cov hmoov hlau?

Cov hmoov hlau hlau tau muab faib ua kom tiav ntawm cov hlau me me los ntawm ob peb lub micrometers mus rau ntau pua tus micrometers hauv lub taub. Cov ntaub ntawv hloov cov hlau ua hlau rau hauv cov hmoov av, kev daws teeb meem, lossis electrolysis, lossis electrolysis, tsim cov txheej txheem rau kev tsim khoom siab los ntawm hmoov metallurgy mus rau 3D luam ntawv. Lub ntiaj teb hmoov ua lag luam tau txog $ 7.52 thiab cov phiaj xwm kev loj hlob tau $ 13.0 txhiab nyiaj los ntawm 2032, tsav feem ntau hauv automotive thiab aerospace cov ntawv thov.

Cov Qauv Ntau Lawm

Cov txheej txheem siv los tsim cov hmoov hlau ncaj qha cuam tshuam ncaj qha cuam tshuam lawv cov particle, loj faib, huv, thiab haum rau cov ntawv thov sib txawv.

Roj Atomization

Roj atomization so molten hlau rau hauv cov tee dej siv siab - siab} siab estert roj dav hlau. Cov txheej txheem pib melting lub hauv paus hlau nyob rau hauv ib tug crucible nyob rau hauv ib tug crucible, tom qab ntawd yuam nws los ntawm lub nozzle me me uas nias tus pas dej mus rau cov kwj deg mus rau hauv cov tee dej me me. Cov tee dej no tau ua tau zoo nruab nrab - davhlau mus rau hauv spherical hais ua ntej sau.

Cov qauv no tsim cov hmoov nplej rau roj hmab nrog qhov ntau thiab tsawg los ntawm 10 txog 150 micrometers. Lub spherical morphology muab zoo heev flower- qhov tseem ceeb rau kev siv cov hmoov hlau tuav. Nqus plua plav atomization roj (viga) ua tiav cov ntsiab lus hauv qab 100 ppm, qhov tseem ceeb rau kev ua cov hlau xws li titanium thiab aluminium alloys.

Roj Atomization Dominates cov lag luam ntau lawm rau cov hlau stainless, tuam hlau, thiab superalalloy hmoov. Ib txwm muaj cov txheej txheem atomizer cov txheej txheem 500 txog 1,000 kg batches, txawm tias tshiab dua cov tshuab ncav cuag 2,500 kg peev xim siab.

Dej atomization

Dej atomization siv siab siab {{0} qhov dav hlau dej siab hloov roj, tsim kom nrawm dua li cov pa hluav taws xob. Kev ua kom nrawm nrawm ua rau muaj hmoov ntau dua nrog kev nias ua kom zoo nkauj, ua kom zoo nkauj rau cov hmoov txhuas cov hmoov ntau dua li cov hav zoov.

Dej - atomized hlau thiab cov hmoov hlau hlau raug nqi 30} Dua cov roj uas nyiam tshaj plaws rau cov khoom lag luam uas yuav tsum tau pub nyiaj txiag. Cov txheej txheem ua haujlwm ferrous hlau tshwj xeeb tab sis qhia txog cov ntsiab lus ntau cov pa oxygen (0.2-0.5%) piv rau roj atomization ntau dua.

NEEG KHO TSHUAB MILLING

High - Lub Zog Pob Zeb Mills Grag Rau Cov Hmoov Mus Ua Kev Cuam Tshuam Thiab Txhuam. Cov txheej txheem ua haujlwm {{2} Hardens hais thiab tuaj yeem ua kom muaj kev sib kis tau los ntawm molding melting los ntawm molding melting los ntawm kev sib txuas hlau immiscible.

Txhua yam txuam nrog kev ua haujlwm thaum milling tso cai maj mam sib xyaw ntawm qib atomic. Qhov no tsim oxide -}}}}}}}} Lub vas xij nrog cov khoom ntiag tug uas tsis muaj peev xwm los ntawm kev sib tw metallurgy. Cov ntawv thov tshawb fawb nquag ua haujlwm feem ntau txoj kev no thaum tshawb nrhiav cov khoom siv tshiab cov khoom muaj.

Tshuaj txo qis

Tshuaj txo cov neeg hloov pauv cov neeg siv hluav taws xob hlau oxides lossis ntsev rau hauv cov khoom siv uas siv txo cov neeg sawv cev. Hydrogen Gas Txo Hlau Oxide rau Daim Txhuam Hlau Hlau, uas yog tom qab ntawd crushed thiab annealed rau hauv hmoov nrog tswj cov particle loj. Qhov no yauv high- purity hmoov nrog dendrite lossis ntxawg {{3} zoo li morphology.

Cov txheej txheem suits reactive hlau uas oxidation thaum nruab nrab atomization poses cov nyom. Cov khoom lag luam ntau lawm yog qis dua atomization, tab sis kev siv tshuaj lom neeg ua tiav qib siab tshaj 99.5% rau cov ntawv siv tshwj xeeb hauv cov khoom siv tshwj xeeb thiab catalysis.

Cov Hom Hlau Tiv Thaiv

Hmoov nplej

Hlau thiab cov hmoov hlau hlau tso cai rau 69% ntawm cov hmoov hlau thoob ntiaj teb. Cov tshuaj ntshiab cov hmoov ua haujlwm ua cov kev siv sib nqus, thaum ua ntej ua ntej siv npib tsib xee, thiab molybdenum rau lub zog thiab corrosion tsis kam.

17-4hch Cov hmoov hlau stainless hmoov muaj zog nrog corrosion tsis kam, nrhiav kev siv hauv Aerospace rasteners thiab cov cuab yeej kho mob. Cuab Yeej Siv Cov Cuab Yeej Hlau (M2, H13) tsim cov cuab yeej txiav thiab cov tshuaj tua cov cuab yeej thiab ua kom pom cov khoom tawm tsam rau wrought cuab yeej hlau.

Tsis - ferrous hmoov

Aluminium hmoov muab cov zog siab - {{1} Txoj kev qoj ib txwm muaj rau kev ua lag luam ib qho chaw. Alsi10Mg, feem ntau cov txhuas alloy rau kev tsim khoom ntxiv, muab cov khoom sib txuam ntxiv, muab cov khoom sib txuam pov tseg tom qab kev kho cua sov.

Titanium hmoov muaj biocompatibilibility rau kev cog lus kho mob ua ke nrog kev zam corrosion txaus. Qeb 5 titanium (Ti-6al-4V) dominates ib daim ntawv thov aerospace, qhov twg cov chaw tiv thaiv txog li 400℃thaum khaws cov qauv kev ntseeg siab.

Tooj liab quav kom zoo tshaj nyob rau hauv thermal thiab hluav taws xob conductivity. Ntsiav tooj ntshiab ua cov neeg sib tw hluav taws xob, thaum brass thiab tooj dag fwj tsim tus kheej {1} rojricating cov hmoov metallurgy. Nickel -} Raws supallloys zoo li Inconel 718 Ua kom dhau qhov kev ua haujlwm kub hauv JOJ RAWS LI TXOJ CAI.

RAUG CRATA

Hmoov metallurgy xovxwm- Thiab - sinter

Cov pa hmoov metallurgy cov txheej txheem sib xyaw hlau hmoov hauv cov hlau tawv tawv hlau tuag ntawm kev ntsuas ntawm 400-800 MPA. Lub resulting "Green" feem ntau sintered ntawm 60-80% ntawm cov hlau melting point, qhov twg doltion bonduction hais rau hauv cov hlau.

Nias -} Thiab - sinter accety rau 89% ntawm hmoov metallurgy ntim, tshuab siv tsheb sib xyaw, thiab cov qauv txheej txheem. Qhov seem ntev muaj kev tiv thaiv ncav cuag ± 0.1mm rau axial qhov ntev nrog tsawg dua cov khoom siv thib ob. Cov txheej txheem ua tiav tiav 85 - 95% theoretical density, tsim cov chaw uas tswj tau porosity rau tus kheej-lubrication los yog pom.

Kev tsim kho txhua xyoo ntau dua li 1 lab tons, muaj cov nqi tsim kho tau cov nqi tsim khoom los ntawm 30-50% piv rau machining los ntawm bar Tshuag.

Hlau Txhaj Molding

Hlau txhaj MOLDING (MIM) sib xyaw ua ke hlau hmoov (particle loj nyob rau hauv 20 micrometers) nrog lub thermoplastic binder ntawm 50-70% hlau ntim cov feem. Lub feuptsho dej ntws mus rau hauv cov mould kab kab noj hniav ntau yam siv txheem kev txhaj tshuaj molding cov khoom, ces undergoes debinding thiab sintering tshem tawm cov phau ntawv thiab fuse hlau.

Cov txheej txheem excels ntawm kev tsim cov me me, cov khoom seem hnyav 0.1 txog 100 grams nrog kev nkag mus ntev ntawm ± 0.3-0.5%. Qhov chaw ua tiav 96-99% theoretical ceev nrog cov khoom siv tshuab ua hlau. Mim kev tsim khoom ua haujlwm rau cov geometric nta tsis yooj yim sua los ntawm kev siv tshuab: sab hauv, ntau qhov ntawm cov ces sib txawv, thiab cov phab ntsa tuab.

Cov Cuab Yeej Kho Mob Siv Hluav Taws Xob Siv MIM rau kev phais cov twj, orthodontic nkhaus, thiab kev cog hniav. Cov phom kev lag luam tsim cov khoom lag luam me me xws li cov rooj sib tham thiab kev nyab xeeb kev nyab xeeb. Consumer Electronics tau txais txiaj ntsig los ntawm Mim- Nplooj ntawv pob khawm, SIM daim ntawv tais, thiab txuas cov vaj tse.

Ntiaj teb Mim kev lag luam loj hlob los ntawm $ 382 lab xyoo 2004 kom ntau tshaj $ 1.5 nphom hauv Asia uas muaj cov khoom lag luam hluav taws xob thiab cov neeg siv khoom tsav tsheb.

Ntxiv Kev Lag Luam

Hlau 3D luam tawm thev naus laus zis - hmoov ntaub fusion, thiab binded zog tsav tsheb {} Ua txheej txheej los ntawm txheej los ntawm cov hlau los ntawm hlau los ntawm cov hlau los ntawm cov hlau hlau. Xaiv Laser Melting (SLM) siv lasers kom fuse 20-100 micrometer hmoov txheej, tsim kom muaj cov chaw ntom ntom ntom nti nrog cov ntsuas hluav taws xob sab hauv.

Aerospace Tuam Txhab Siv Titanium nkhaus thiab cov qauv sib xyaw uas txo qhov hnyav los ntawm 40}} GA Aviation ua cov roj tsis muaj roj ua ke 20 cais cov khoom sib xyaw ua cov khoom 3D-luam tawm, tshem tawm cov kev sib txoos thaum txhim kho kev ua tau zoo.

Kev Siv Kho Mob muaj xws li tus neeg mob -}} Cov Lus Cog Tseg Tshwj Xeeb CT Scan cov ntaub ntawv, txiav lub sijhawm kho thiab txhim kho kev kho kom haum. Cobalt - chrome alloy hmoov tsim cov pob txha hniav kho mob orthopedic tsim nrog cov npoo av txhawb nqa cov pob txha ingrowth.

Tshuab thev naus laus zis ceev tiv thaiv kev tiv thaiv sai sai, qis - nplej tshuab ntau lawm, yam spare xeem tsis muaj kev tsim khoom lag luam. Txawm li cas los xij, cov hmoov hnav ($ 50 - 300}}}}}} thiab-sinter lossis ua pov thawj ua pov thawj kev lag luam ntau dua.

Cov ntawv tseem ceeb los ntawm kev lag luam

Automotive

Lub tsheb yam lag luam kev siv 64.9% ntawm cov hlau hlau ntau lawm ntim. PowerTrain Cheebtsam zoo li cov khoom siv synchronizer sib txuas, cov kabmob sib txuas tau siv cov hmoov metallurgy nyob ze}}} ntawv muaj peev xwm txo machining pov tseg.

Cov tsheb tsim hluav taws xob cov hmoov ua kom cov hmoov metallurgy rau cov hlau {{0} Raws muag cov hlau nplaum sib xyaw. Cov ntaub ntawv no txo ​​cov txiaj ntsig eddy tam sim no thaum enable nyuaj 3d flux paths tsis yooj yim sua nrog Laminated hlau. Hmoov -} Raws kev tsim khoom kuj tseem tsim cov tooj liab thiab npib tsib xee rau cov roj teeb rau tam sim no.

Hmoov tsis nco qab -} compacting hmoov rau hauv qhov ntom ntom nti - Qhov txheej txheem hybrid no tau ntes 30% ntawm lub tsheb txuas nrog tus pas nrig kev lag luam thoob ntiaj teb.

Aerospace thiab kev tiv thaiv

Aerospace cov ntawv thov thov cov zog siab - {{1} qhov hnyav piv thiab qhov kub tsis kam. Lub cav ntoo ua ke siv nickel {{3} Raws cov hmoov si supalloy (inconel th) uas muaj lub zog siab tshaj 600 degree. Kub iSostatic nias tsim cov feem no ntawm ze {{{theoretical ceev nrog cov khoom siv tshuab sib xws.

Titanium hmoov tsim cov qauv txheem, fasteners, thiab hydraulic fittings sib txuas lub teeb hnyav nrog corrosion tsis kam. Additive kev tsim khoom ntawm titanium txo yuav yuav-

Cov neeg tiv thaiv kev tiv thaiv tsim cov armor - tiercing projectiles thiab cov ntaub qhwv tus nqi siv tungsten thiab tantalum hmoov ua tiav los ntawm hmoov metallurgy. Lub refractory metrals 'siab ntom (19.3 g / cm³sten) thiab melting cov ntsiab lus saum toj 3,000℃suclf fallistic.

Kws Kho Mob Thiab Kho Hniav

Biocompre titanium thiab cobalt - chrome hmoov kav cov kws kho mob kev kho mob uas cog. Ntsiav thiab lub hauv caug hloov siv ntshav kev siv ntshav lossis mim} ating ntxau cov chaw nrog 40-60% porosity uas txhawb hluav taws xob.

Kev phais cov khoom siv nce mim tsim nrog 17-4 lossis 420 stainless hlau hmoov. Cov txheej txheem tsim cov cuab yeej ua haujlwm nyuaj, cov qhab nia, thiab Laparoscopic cov cuab yeej nrog cov npoo ntse thiab ua kom corrosion tiv taus kom tsis muaj menyuam.

Hniav Cov Kho Hniav Siv Cobalt - chrome hmoov rau hlau-txhawb nqa Plooj Cov Tsiaj Plooj thiab choj. Xaiv Laser Melting tsim cov moj khaum ncaj qha los ntawm digital scans, tshem tawm cov kev ua ub no- mex casteting thaum txhim kho haum qhov raug.

Khoom siv hluav taws xob thiab lub zog

Tooj liab thiab nyiaj hmoov pab hauv multilayer cericicacitors, luam tawm cov khoom lag luam, thiab cov nplaum. Qhov ntau thiab tsawg dua li 1 micrometer pab tshuaj ntsuam luam ntawv ntawm nplua circuit cocuit cocuit. Nyiaj Hmoov Ua Haujlwm Loj tshaj Copper tab sis nqi $ 500-800 rau ib phaus li tooj liab $ 15-25 ib phaus.

Txuas txuas dua tshiab siv lub zog me me me metallurgy Cheebtsam. Cua turbine gearboxes muaj sintered steel zog, thaum lub hlwb kev tsim khoom siv txhuas ua cov hmoov txhuas ua cov pastes txhuas. Roj cell ntau lawm siv npib tsib xee cov khoom siv hluav taws xob, thiab roj teeb nce ntxiv ntawm tooj liab filders rau high elects electrode cov neeg sau khoom tam sim no.

Cov yam ntxwv hmoov thiab tswj hwm zoo

Qhov loj me me faib

Particle loj muab faib rau propoundly cuam tshuam thiab cov khoom kawg. Nqaim tshaj tawm cov lus faib (SPANNING 10-45 micrometers) muab ib yam nkaus hmoov flow thiab ntim ntom ntom tseem ceeb rau cov khoom siv tau. Kev faib tawm dav dav (15-106 micrometers) tej zaum yuav muaj kev sib tw zoo dua tab sis kev pheej hmoo dhau ntawm kev tuav.

Adillitive kev tsim khoom feem ntau yuav tsum tau tshaj tawm ntawm 15 {- 45 {}}}}}} 106 microspeters rau cov kev xa tawm kom ceev. MIM Fesedock siv ntau finer hmoov (2-20 micrometers) kom ua tiav siab lub zog ntsuab thiab Sininability. Nias-thiab-SINTER lees paub coarser faib (45-150 micrometers) qhov uas hmoov Flowility ntau dua Motoribility.

Kev kho tsiaj thiab morphology

Kev sib xyaw ua ke los ntawm cov roj atomization muaj cov teeb meem flatermeter muaj nuj nqis ntawm 255}} 35 seconds ib 50 grams, qhia tau zoo heev ntws. Irregular dej-atomized hmoov yuav tsis ntws dawb tab sis ultrasonic-15% zoo dua nyob rau hauv cov hmoov sib npaug, tau txiaj ntsig zoo cov hmoov uas muaj txiaj ntsig me me metallurgy.

Particle cov duab cuam tshuam rau cov khoom ntom ntom ntom ntom thiab sintering tus cwj pwm. Kev sib xyaw ua ke ntim rau 60-65% theoretical qhov ceev hauv xoob sau, thaum cov lus tsis xwm yeem ua tiav 50-55%. Thaum lub sij hawm sintering, tej nplais tsis xwm yeem nrog cov chaw siab dua sab sterter sai dua, txo qis lub sijhawm thiab kub.

Tshuaj lom neeg purity

Cov ntsiab lus pa cov ntsiab lus cuam tshuam kev cuam tshuam cov khoom siv, tshwj xeeb rau cov hlau reactive. Roj {{1} atch} atomized titanium tswj cov pa hauv qab no 0.13%, thaum dej} ach atom} atom ntau dua 0.5%. Txhua 0.1% cov pa oxygen tuaj yeem txo cov ditanium lub ductility los ntawm 20-30%.

Nitrogen thiab carbon kuj xav tau kev tswj hwm. Cov hmoov hlau stainless hlau lub hom phiaj carbon nyob rau hauv 0.08% los tiv thaiv chomium carbide nag lossis daus uas ua rau muaj kev sib txuam. Nitrogen hauv aluminium hmoov yuav tsum nyob hauv qab 0.01% kom tsis txhob muaj qhov porosity thaum sintering.

Pom meej ntom thiab coj mus ceev ceev

Cov ntsuas pom qhov ceev ntawm cov hmoov ntau ntxiv rau ib cov ntim ntim hauv cov xoob xoob, feem ntau yog 2.5 g / cm³ yog hmoov steel hmoov. Coj mus rhaub ceev dua tom qab kev co tshuab tshuab mus txog 4.0-5.2 g / cm³, qhia tau cov ntsiab lus ntim efficiency. Tus kais siab ceev rau kev sib cuam tshuam nrog kev hloov kho zoo thiab hnav khaub ncaws ntsuab ntau.

Qhov sib piv ntawm cov kais thiab pom meej ntom ntom - lub hmoov tsis zoo- qhia tau cov nyom. Ratios hauv qab no 1.25 qhia kom zoo ntws zoo; Recios saum toj no 1.4 Qhia cov neeg tsis zoo uas xav tau kev pab pabcuam lossis lwm cov yam ntxwv.

Kev Lag Luam Hauv Kev Lag Luam thiab Outlook

Cov hlau hmoov kev ua lag luam pom tseeb thoob plaws ntau yam kev ntsuas. Kev lag luam loj nthuav dav los ntawm $ 7.52 Billion hauv 2023 mus rau 7,0 nphom los ntawm 2032, sawv cev rau ib tug 6.3% sib piv ntawm kev loj hlob hauv ib xyoos ib zaug.

Asia Pacific Cov Khoom Noj nrog 36.4% Kev Lag Luam Thoob Ntiaj Teb, Driven Los Ntawm Automotive Ntau Lawm Hauv Suav teb, Is Nrias teb, thiab Nyij Pooj. North Miskas thov hlob zuj zus ntawm 5.7% txhua xyoo, txhawb nqa los ntawm Aerospace thiab cov ntawv thov tiv thaiv ntxiv rau nthuav kev saws me nyuam.

Cov khoom lag luam ntxiv yog qhov nrawm tshaj plaws - loj hlob segment, tab sis cov s}} {}. Kev txhaj tshuaj hlau qhia lub zog tshwj xeeb hauv cov khoom siv kho mob thiab cov neeg siv khoom hluav taws xob, tau txiaj ntsig los ntawm cov kev xav tau miniatometry.

Kev txiav txim siab ib puag ncig tsav cov thawj kauj ruam. Ua cov hmoov nplej los ntawm cov hlau sib txuas ntau dua li nkauj xwb thiab yog txo kev siv hluav taws xob los ntawm kev siv hluav taws xob los ntawm kev siv zog Ob peb cov tuam ntxhab tam sim no muab cov hmoov nrog cov ntawv pov thawj uas tau rov ua dua, hais txog kev ua kom muaj kev ua tau zoo yam tsis muaj kev ua tau zoo.

Hmoov ntau yam tshuab ntau lawm nce qib. Ultrasonic omization enables precise particle me tswj nrog batch ntau thiab tsawg mus rau 1 kilogram, txhawb kev tshawb fawb thiab kev tsim kho kev cai. Ntshav qab cov txheej txheem hluav taws xob (prep) ua cov hmoov ntau tshaj plaws rau kev siv lub zog tseem ceeb, nrog kev txhim kho cov nqi tsis ntev los rau cov roj atomization ntau qib.

Qhov kev sib tshuam ntawm hmoov metallurgy nrog hluav taws xob tsheb tsim tsim cov kev tshiab. Mos sib xyaw ua ke rau cov motors, tooj liab hmoov rau cov roj teeb hluav taws xob, thiab lub tsho titanium hmoov zoo li cov hmoov hluav taws xob.

Cov Lus Nquag Nug

Dab tsi txiav txim siab tus nqi ntawm cov hmoov hlau?

Hlau hmoov nqi yog nyob ntawm lub hauv paus tus nqi, txheej txheem ntau lawm, qhov loj me me, thiab muaj kev ua kom huv. Dej {{1} om omemized hlau hmoov nqi $ 3}} Aerospace-qib superally filders ua rau ntawm Plasma Atomization muaj peev xwm tshaj $ 300 rau ib phaus. Finer particle qhov ntau thiab tsawg thiab tig hluav taws xob taw qhia tus nqi them vim cov qoob loo qis thaum tsim khoom.

Puas tuaj yeem siv cov hmoov hlau hlau?

Yog lawm, cov hmoov kav hlau rov qab ua dua tshiab. Cov hmoov tsis siv los ntawm kev tsim khoom ntxiv tuaj yeem yog sieved thiab siv rov qab khaws cov kev txwv tsis pub siv sijhawm mus rau 3 {{}}}} ua ntej cov khoom ua rau degrade. Sintereded seem thiab machining chips los ntawm hmoov metallurgurgy cov khoom siv yog melted thiab rov atch rau hauv cov hmoov tshiab. Cov txheej txheem rov ua dua tshiab 60-75% tsawg zog dua li ua hmoov los ntawm ore thaum tswj cov khoom sib npaug.

Yuav ua li cas cov hmoov hlau kom xyuam xim kom muaj kev nyab xeeb?

Cov hmoov hlau hlau xav tau cia rau hauv cov thawv ntim nrog hauv cov roj cua hauv huab cua los tiv thaiv oxidation. Cov hmoov zoo (hauv qab 75 micrometers) tuaj yeem tsim cov plua plav tawg, tsim nyog {- Cov cuab yeej pub dawb, thiab tsim kom muaj qhov cua kom txaus. Reflective xws li txhuas thiab titanium yuav tsum ua tib zoo saib yuav ua rau muaj kev sib cav sib ceg nrog cov hmoov txhuas nplua. Cov chaw muaj chaw ua raws li OSHA cov txheej txheem plua plav plua plav thiab NFPA 484 cov lus qhia rau kev nyab xeeb ua hmoov.

Dab tsi yog qhov sib txawv ntawmMim RaugThiab tsoos hmoov metallurgy?

Mim kev tsim khoom siv ntau cov hmoov nplej nplua (2 {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Cov xovxwm tsoos {{{}} Thiab - sinteallurgy gracters hmoov ncaj qha rau hauv txhav cov tuag, txwv cov kev sib tw geometric. Mim ua tiav 96 {{{- 99% ceev thiab tuaj yeem tsim cov khoom loj thiab cov khoom siv hluav taws xob loj dua rau cov khoom siv yooj yim rau cov khoom siv yooj yim rau cov khoom nruab nrab.