Hmoov Metallurgy thiab Tungsten Carbide

Hauv kev lag luam niaj hnub no, tungsten carbide cov khoom yog tsim los ntawm cov hmoov metallurgy. Tej zaum koj yuav muaj ntau cov lus nug txog hmoov metallurgy thiab tungsten carbide. hmoov metallurgy yog dab tsi? Dab tsi yog tungsten carbide? Thiab Yuav ua li cas yog tungsten carbide ua los ntawm hmoov metallurgy? Hauv tsab xov xwm ntev no, koj yuav tau txais cov lus teb.

Lub ntsiab lus tseem ceeb ntawm tsab xov xwm no yog raws li nram no:

1. hmoov metallurgy

1.1 Cov lus qhia luv luv ntawm cov hmoov metallurgy

1.2 Keeb kwm ntawm hmoov metallurgy

1.3 Cov khoom tsim los ntawm cov hmoov metallurgy

1.4 Kev tsim cov txheej txheem los ntawm hmoov metallurgy

2.Tungsten carbide

2.1 Cov lus qhia luv luv ntawm tungsten carbide

2.2 Vim li cas thiaj thov hmoov metallurgy

2.3 Kev tsim cov txheej txheem ntawm tungsten carbide

3.Summary

1. hmoov metallurgy

1.1 piav qhia luv luv ntawm cov hmoov metallurgy

Hmoov metallurgy yog txheej txheem tsim khoom los ua cov khoom siv lossis cov khoom siv los ntawm kev cog cov hmoov rau hauv ib qho duab thiab sintering nws nyob rau hauv qhov kub thiab txias hauv qab cov ntsiab lus melting. Txoj kev no tsis raug lees paub tias yog txoj hauv kev zoo tshaj plaws los tsim cov khoom zoo kom txog rau thaum lub quarter dhau los. Cov txheej txheem ntawm tungsten carbide feem ntau suav nrog ob ntu: ib qho yog compacting hmoov nyob rau hauv ib tug tuag, thiab lwm yam yog cua sov lub compact nyob rau hauv ib tug tiv thaiv ib puag ncig. Txoj kev no tuaj yeem siv los tsim kom muaj ntau cov qauv hmoov hlau metallurgy Cheebtsam, tus kheej lubricating bearing, thiab cov cuab yeej txiav. Thaum lub sijhawm txheej txheem no, hmoov metallurgy tuaj yeem pab txo cov khoom poob thiab txo tus nqi ntawm cov khoom kawg. Feem ntau, hmoov metallurgy yog tsim rau kev tsim cov khoom lag luam uas yuav raug nqi ntau los ntawm lwm txoj kev los yog qhov tshwj xeeb thiab tsuas yog ua los ntawm cov hmoov metallurgy. Ib qho ntawm qhov zoo tshaj plaws ntawm cov hmoov hlau metallurgy yog tias cov txheej txheem hmoov metallurgy yog hloov tau yooj yim txaus los tso cai rau kev txiav cov yam ntxwv ntawm lub cev ntawm cov khoom kom haum rau koj cov khoom tshwj xeeb thiab kev ua tau zoo. Cov yam ntxwv ntawm lub cev no suav nrog cov qauv thiab cov duab, qhov porosity, kev ua tau zoo, kev ua haujlwm hauv kev ntxhov siab, nqus ntawm kev vibrations, zoo precision, zoo nto tiav, cov khoom loj ntawm cov khoom nqaim, thiab cov khoom tshwj xeeb xws li hardness thiab hnav tsis kam.

1.2 Keeb kwm ntawm hmoov metallurgy

Keeb kwm ntawm hmoov metallurgy pib nrog cov hmoov hlau. Qee cov khoom siv hmoov tau pom nyob rau hauv Egyptian qhov ntxa nyob rau xyoo pua peb BC, thiab cov hlau tsis muaj hlau thiab ferrous tau pom nyob rau nruab nrab sab hnub tuaj, thiab tom qab ntawd kis mus rau Tebchaws Europe thiab Asia. Lub hauv paus kev tshawb fawb ntawm hmoov metallurgy tau pom los ntawm Lavxias tus kws tshawb fawb Mikhail Lomonosov hauv xyoo pua 16th. Nws yog thawj tus uas kawm txog cov txheej txheem ntawm kev hloov ntau yam hlau, xws li txhuas, mus rau hauv cov xwm txheej powdery.

Txawm li cas los xij, xyoo 1827, Lwm tus kws tshawb fawb Lavxias Peter G. Sobolevsky tau nthuav tawm ib txoj kev tshiab ntawm kev ua cov hniav nyiaj hniav kub thiab lwm yam khoom nrog hmoov. Thaum pib ntawm lub xyoo pua nees nkaum, lub ntiaj teb hloov pauv. Hmoov metallurgy thev naus laus zis tau siv, thiab nrog kev txhim kho ntawm cov khoom siv hluav taws xob, kev txaus siab nce ntxiv. Tom qab ib nrab xyoo pua 21th, cov khoom tsim los ntawm cov hmoov metallurgy tau nce ntau.

1.3 Cov khoom yuav tsum tau tsim los ntawm hmoov metallurgy

Raws li peb tau hais ua ntej, hmoov metallurgy yog tsim rau kev tsim cov khoom lag luam uas yuav raug nqi ntau los ntawm lwm txoj kev los yog tshwj xeeb thiab tsuas yog ua los ntawm cov hmoov metallurgy. Hauv seem no, peb yuav tham txog cov ntaub ntawv no kom ntxaws.

A. Cov khoom siv uas raug nqi ntau los ntawm kev ua lwm yam

Cov khoom siv thiab cov khoom ntxeem tau yog cov khoom siv uas raug nqi ntau los ntawm lwm txoj kev. Cov khoom siv muaj xws li qee cov hlau, xws li tooj liab, tooj dag, tooj liab, txhuas, thiab lwm yam. Lawv tuaj yeem tsim los ntawm lwm txoj kev. Txawm li cas los xij, tib neeg nyiam hmoov metallurgy vim tias tus nqi qis dua. Cov ntaub ntawv ntxeem tau xws li roj khaws ciabearings feem ntau yog ua los ntawm hmoov metallurgy. Ua li no, kev siv cov hmoov metallurgy tuaj yeem txo cov nqi pib.

B. Cov ntaub ntawv tshwj xeeb uas tsuas yog ua los ntawm cov hmoov metallurgy

Muaj ob yam khoom tshwj xeeb uas tsis tuaj yeem tsim los ntawm lwm txoj hauv kev. Lawv yog cov hlau refractory thiab cov khoom sib xyaw.

Cov hlau refractory muaj cov ntsiab lus siab melting thiab nyuaj rau tsim los ntawm melting thiab casting. Feem ntau ntawm cov hlau no kuj nkig. Tungsten, molybdenum, niobium, tantalum, thiab rhenium yog cov hlau no.

Raws li cov ntaub ntawv sib xyaw, muaj ntau yam khoom siv, xws li cov khoom siv hluav taws xob sib cuag, cov hlau tawv, cov ntaub ntawv sib txhuam, cov cuab yeej pob zeb diamond, ntau cov khoom siv wrought, mos sib nqus sib nqus, thiab lwm yam. Cov khoom sib xyaw ntawm ob lossis ntau dua hlau yog insoluble, thiab qee cov hlau muaj cov ntsiab lus melting siab.

1.4 Kev tsim cov txheej txheem los ntawm hmoov metallurgy

Cov txheej txheem tseem ceeb hauv cov hmoov hlau metallurgy yog sib tov, compacting, thiab sintering.

1.4.1 Mix

Sib tov cov hmoov hlau los yog hmoov. Cov txheej txheem no yog ua nyob rau hauv lub pob milling tshuab nrog binder hlau.

1.4.2 Compact

Muab cov khoom sib tov rau hauv qhov tuag los yog pwm thiab siv lub zog. Nyob rau hauv cov txheej txheem no, cov compacts hu ua ntsuab tungsten carbide, uas txhais tau tias unsintered tungsten carbide.

1.4.3 Sinter

Thaum tshav kub kub ntawm ntsuab tungsten carbide nyob rau hauv ib qho chaw tiv thaiv ntawm qhov kub thiab txias nyob rau hauv lub melting point ntawm lub ntsiab Cheebtsam kom cov hmoov particles weld ua ke thiab muab txaus lub zog rau cov khoom rau lub hom phiaj siv. Qhov no yog hu ua sintering.

2.Tungsten carbide

2.1 Cov lus qhia luv luv ntawm tungsten carbide

Tungsten carbide, tseem hu ua tungsten alloy, hard alloy, hard hlau, los yog cemented carbide, yog ib qho ntawm cov khoom siv nyuaj tshaj plaws hauv ntiaj teb, tsuas yog tom qab pob zeb diamond. Raws li kev sib xyaw ntawm tungsten thiab carbon, tungsten carbide tau txais txiaj ntsig zoo ntawm ob cov khoom siv raw. Nws muaj ntau yam zoo xws li siab hardness, zoo zog, hnav tsis kam, cuam tshuam tsis kam, poob siab tsis kam, durability, thiab lwm yam. Cov qib kuj tuaj yeem yog ib feem los cuam tshuam kev ua haujlwm ntawm tungsten carbide nws tus kheej. Muaj ntau ntau qib kawm, xws li YG, YW, YK, thiab lwm yam. Cov qib no txawv ntawm cov binder hmoov ntxiv hauv tungsten carbide. YG series tungsten carbide xaiv cobalt ua nws txoj hlua khi, thaum YK series tungsten carbide siv npib tsib xee ua nws cov ntawv khi.

Nrog ntau qhov zoo ntawm cov khoom siv zoo li no, tungsten carbide muaj kev siv dav. tungsten carbide tuaj yeem ua tau ntau yam khoom, suav nrog tungsten carbide nyees khawm, tungsten carbide rods, tungsten carbide daim hlau, tungsten carbide kawg mills, tungsten carbide burrs, tungsten carbide hniav, tungsten carbide pins, tungsten carbide punchs, ntawm. Lawv tuaj yeem siv dav los ua ib feem ntawm cov khoom siv tho rau tunneling, khawb, thiab mining. Thiab lawv tuaj yeem siv los ua cov cuab yeej txiav los txiav, milling, tig, grooving, thiab lwm yam. Tsuas yog rau daim ntawv thov kev lag luam, tungsten carbide tuaj yeem siv tau hauv lub neej txhua hnub, xws li lub pob me me hauv lub nib ntawm gel cwj mem.

2.2 Vim li cas thiaj thov hmoov metallurgy

Tungsten carbide yog cov hlau refractory, yog li nws nyuaj rau kev ua los ntawm cov txheej txheem tsim khoom. Tungsten carbide yog ib yam khoom uas tsuas yog tsim los ntawm hmoov metallurgy. Tsuas yog tungsten carbide, tungsten carbide cov khoom kuj muaj lwm yam hlau, xws li cobalt, npib tsib xee, titanium, los yog tantalum. Lawv sib tov, nias los ntawm pwm, thiab ces sintered ntawm qhov kub thiab txias. Tungsten carbide muaj qhov siab melting point, thiab nws yuav tsum tau sintered ntawm qhov kub thiab txias ntawm 2000鈩?

2.3 Kev tsim cov txheej txheem ntawm tungsten carbide

Nyob rau hauv lub Hoobkas, peb siv hmoov metallurgy los tsim tungsten carbide khoom.Cov txheej txheem tseem ceeb ntawm cov hmoov hlau metallurgy yog sib tov cov hmoov, cov hmoov sib tov, thiab sinter ntsuab compacts. Xav txog cov khoom tshwj xeeb ntawm tungsten carbide peb tau tham txog hauv 2.1 Cov lus qhia luv luv rau tungsten carbide, cov txheej txheem tsim khoom ntawm tungsten carbide yog qhov nyuaj dua. Cov ntsiab lus yog raws li nram no:

2.3.1 Sib

Thaum sib tov, cov neeg ua haujlwm yuav sib xyaw cov hmoov zoo tungsten carbide thiab cov hmoov nplej uas yog cobalt lossis npib tsib xee hmoov, ntawm ib qho kev faib ua feem. Qhov kev faib ua feem yog txiav txim los ntawm qib uas cov neeg siv khoom xav tau. Piv txwv li, muaj 8% cobalt hmoov nyob rau hauv YG8 tungsten carbide. Cov binder sib txawv muaj qhov zoo sib txawv. Raws li qhov ntau tshaj plaws, cobalt muaj peev xwm ntub cov tungsten carbide hais thiab khi lawv nruj heev. Txawm li cas los xij, tus nqi ntawm cobalt yog nce, thiab cobalt hlau yog nce tsawg. Lwm ob khi hlau yog npib tsib xee thiab hlau. Tungsten carbide khoom nrog hlau hmoov raws li ib tug binder muaj zog mechanical zog tshaj li nrog cobalt hmoov. Qee zaum, cov chaw tsim khoom yuav siv cov nickel los hloov cov cobalt, tab sis cov khoom ntawm tungsten carbide-nickel cov khoom yuav qis dua tungsten carbide-cobalt khoom.

2.3.2 Wet milling

Cov khoom sib xyaw yog muab tso rau hauv lub tshuab milling, uas muaj tungsten carbide liners lossis stainless hlau liner. Thaum ntub milling, ethanol thiab dej ntxiv. Cov nplej loj ntawm tungsten carbide hais yuav cuam tshuam cov khoom ntawm cov khoom kawg. Feem ntau hais lus, tungsten carbide nrog cov nplej loj dua yuav muaj qhov qis dua.

Tom qab ntub milling, cov slurry sib tov yuav muab nchuav rau hauv lub thawv tom qab sieving, uas yog ib qho tseem ceeb rau kev tiv thaiv tungsten carbide los ntawm kev sib kis. Lub slurry tungsten carbide yog khaws cia rau hauv lub thawv kom tos rau cov kauj ruam tom ntej.

2.3.3 Dry spray

Cov txheej txheem no yog evaporate cov dej thiab ethanol nyob rau hauv tungsten carbide thiab qhuav cov tungsten carbide sib tov hmoov nyob rau hauv ib tug tshuaj tsuag kom qhuav ntauwd. Noble gases ntxiv rau cov tshuaj tsuag ntauwd. Txhawm rau kom ntseeg tau qhov zoo ntawm qhov kawg ntawm tungsten carbide, cov kua hauv tungsten carbide yuav tsum tau qhuav tag.

2.3.4 Sib

Tom qab cov tshuaj tsuag qhuav, cov neeg ua haujlwm yuav sieve cov tungsten carbide hmoov kom tshem tawm cov oxidation lumps, uas yuav cuam tshuam rau lub compacting thiab sintering ntawm tungsten carbide.

2.3.5 Kev sib tw

Thaum lub sij hawm compacting, tus neeg ua hauj lwm yuav siv cov cav tov los tsim tungsten carbide ntsuab compacts nyob rau hauv ntau thiab tsawg thiab cov duab raws li cov kos duab. Feem ntau hais lus, ntsuab compacts yog nias los ntawm cov tshuab tsis siv neeg. Qee cov khoom sib txawv. Piv txwv li, tungsten carbide rods yog tsim los ntawm cov tshuab extrusion lossis tshuab ziab khaub ncaws isostatic. Qhov loj ntawm ntsuab compacts yog loj dua qhov kawg tungsten carbide khoom, raws li cov compacts yuav shrink nyob rau hauv sintering. Thaum lub sij hawm compacting, ib co tsim cov neeg sawv cev xws li paraffin wax yuav muab ntxiv kom tau cov kev cia siab compacts.

2.3.6 Sintering

Nws zoo li sintering yog txheej txheem yooj yim vim tias cov neeg ua haujlwm tsuas yog yuav tsum tau muab cov ntawv cog lus ntsuab rau hauv qhov cub sintering. Qhov tseeb, sintering yog complex, thiab muaj plaub theem thaum sintering. Lawv yog cov tshem tawm ntawm tus neeg sawv cev moldings thiab pre-burning theem, khoom theem sintering theem, kua theem sintering theem, thiab txias theem. Cov khoom tungsten carbide shrinks zoo heev thaum lub sij hawm khoom sintering theem.

Nyob rau hauv lub sintering, qhov kub thiab txias yuav tsum maj mam nce, thiab qhov kub yuav ncav cuag nws ncov nyob rau hauv lub thib peb theem, cov kua theem sintering theem. Qhov chaw sintering yuav tsum huv heev. Cov khoom tungsten carbide yuav poob qis heev thaum lub sijhawm ua haujlwm no.

2.3.7 Kev kuaj zaum kawg

Ua ntej cov neeg ua haujlwm ntim cov khoom tungsten carbide thiab xa mus rau cov neeg siv khoom, txhua daim ntawm tungsten carbide cov khoom yuav tsum tau kuaj xyuas kom zoo. Ntau yam khoom siv hauv chav kuajyuav siv rau hauv cov txheej txheem no, xws li Rockwell hardness tester, metallurgical microscope, density tester, coercimeter, thiab lwm yam. Lawv qhov zoo thiab cov khoom, xws li hardness, ntom, sab hauv cov qauv, cobalt npaum li cas, thiab lwm yam khoom, yuav tsum tau soj ntsuam thiab xyuas kom meej.

3.Summary

Raws li cov khoom siv nrov thiab siv dav, tungsten carbide muaj kev lag luam dav hauv kev tsim khoom. Raws li peb tau tham txog saum toj no, tungsten carbide muaj lub siab melting point. Thiab nws yog ib qho kev sib xyaw ntawm tungsten, carbon, thiab lwm yam hlau, yog li tungsten carbide nyuaj rau kev tsim khoom los ntawm lwm txoj hauv kev. Hmoov metallurgy txiv neej lub luag haujlwm tseem ceeb hauv kev tsim khoom tungsten carbide. Los ntawm hmoov metallurgy, tungsten carbide cov khoom tau txais ntau yam khoom tom qab kev tsim cov txheej txheem. Cov khoom no, xws li hardness, lub zog, hnav tsis kam, corrosion kuj, thiab lwm yam, ua tungsten carbide dav siv nyob rau hauv mining, txiav, tsim, zog, manufacturing, tub rog, aerospace, thiab thiaj li nyob.

ZZBETTER mob siab rau nws tus kheej los tsim cov khoom lag luam hauv ntiaj teb thiab cov khoom zoo tungsten carbide. Peb cov khoom tau raug muag rau ntau lub teb chaws thiab cheeb tsam thiab kuj ua kom muaj kev vam meej hauv kev lag luam hauv tsev. Peb tsim ntau yam khoom tungsten carbide, suav nrog tungsten carbide rods, tungsten carbide nyees khawm, tungsten carbide tuag, tungsten carbide hniav, tungsten carbide teb burrs, thiab hais txog. Customized khoom kuj muaj.

Yog tias koj txaus siab rau cov khoom lag luam tungsten carbide thiab xav paub ntau ntxiv thiab cov ntsiab lus, koj tuaj yeem tiv tauj peb hauv xov tooj lossis xa ntawv ntawm sab laug, lossis xa US MAIL hauv qab ntawm nplooj ntawv.