Cov khoom siv hlau
ZHENAN: Koj tus kws tshaj lij Metallurgical Cov Chaw Tsim Khoom!
30+ Xyoo Kev Paub
ZhenAn yog ib lub tuam txhab tshwj xeeb hauv cov khoom siv hlau, kev tsim khoom, kev ua, kev muag khoom, thiab kev lag luam thiab xa tawm nrog ntau tshaj 30 xyoo ntawm kev paub. Peb tau cog lus los muab cov khoom lag luam zoo xws li cov khoom zoo ferro alloy, hlau silicon thaiv / hmoov, ferro titanium, ferro vanadium, ferro tungsten, thiab cored hlau.
Zoo Zoo
Raws li cov kws tshaj lij ntawm cov khoom siv hlau metallurgical, peb ib txwm muab cov khoom zoo ua ntej. Peb siv cov cuab yeej siv siab tshaj plaws thiab thev naus laus zis los ntawm kev tswj cov khoom siv raw, kev tsim khoom, thiab kev tswj xyuas kom zoo kom ntseeg tau tias peb cov khoom ua tau raws li cov qauv kev lag luam thiab ua tau raws li cov neeg siv khoom xav tau.
Cov kws tshaj lij
Peb pab neeg no yog tsim los ntawm cov kws tshaj lij thiab cov kws tshaj lij uas muaj kev paub txog kev paub thiab kev txawj ntse rau lub rooj. Peb cov engineers muaj ntau xyoo ntawm kev paub hauv metallurgy ntau lawm thiab daim ntawv thov thiab tuaj yeem muab cov kev daws teeb meem rau cov neeg siv khoom sib txawv. Peb pab neeg muag khoom tau paub txog kev lag luam kev lag luam thiab kev lag luam thiab tuaj yeem muab cov neeg siv khoom nrog cov lus qhia thiab kev txhawb nqa. Peb cov neeg soj ntsuam zoo nruj tswj hwm qhov zoo ntawm txhua qhov txuas kom ntseeg tau tias txhua pawg ntawm cov khoom ua tau raws li cov qauv thoob ntiaj teb.
Ntiaj teb Footprint
Nrog kev paub dhau los hauv kev lag luam thoob ntiaj teb, peb muaj peev xwm muab tag nrho cov kev pabcuam ntshuam thiab xa tawm rau peb cov neeg siv khoom thoob ntiaj teb. Peb cov khoom tau raug xa tawm mus rau ntau tshaj 100+ lub teb chaws thiab cheeb tsam xws li Nyiv, Kaus Lim Qab Teb, Sab Hnub Tuaj Asia, Tebchaws Asmeskas, Brazil, thiab Europe, lawv cov khoom zoo, tus nqi sib tw, khoom xa tuaj raws sijhawm, thiab zoo tshaj tom qab muag kev pabcuam tau txais txiaj ntsig zoo los ntawm peb cov neeg siv khoom.
Dab tsi yog Metallurgical Khoom
Cov khoom siv hlau yog cov khoom siv los ntawm kev ua cov hlau lossis cov ntxhia. Lawv tuaj yeem muab faib ua ob pawg loj: thawj thiab theem nrab. Cov khoom siv metallurgical tseem ceeb yog cov uas tau txais ncaj qha los ntawm kev rho tawm thiab ua kom zoo ntawm cov ore, xws li npua hlau, hlau, txhuas, tooj liab, zinc, thiab lwm yam. Cov khoom siv hlau thib ob yog cov khoom tsim los ntawm kev ua cov khoom tseem ceeb, xws li alloys. , castings, forgings, xaim, ntawv, raj, thiab lwm yam.
Dab tsi yog Cov Cuam Tshuam Sib Txawv ntawm Metallurgy
Tshuaj (los yog Extractive) Metallurgy
Tshuaj (los yog extractive) metallurgy saib cov txheej txheem uas cov hlau tau sib cais los ntawm lawv cov ore thiab hloov mus rau hauv cov ntaub ntawv tseem ceeb uas yuav siv tau los ntawm engineers. Txoj kev tshawb no muab ntau yam txheej txheem suav nrog kev ua cov mining thiab ntxhia ua, hydrometallurgy, pyrometallurgy thiab electrometallurgy kom cais cov hlau los ntawm lawv cov ore.
Thaum muab rho tawm los ntawm lawv cov ores, cov hlau nyoos yog tom qab ntawd ua kom zoo dua los tsim 'ntshiab' hlau thiab tuaj yeem ua ke los tsim cov alloys nyuaj.
Txhawm rau kom ua kom zoo zoo, cov hlau nyoos feem ntau yuav tsum tau tawg ntawm lub cev, tshuaj lossis electrolytically; li no cov txheej txheem ntau heev uas poob rau hauv lub kaus ntawm extractive metallurgy.
Lub cev Metallurgy
Lub cev metallurgy yog hais txog kev tshawb fawb ntawm kev ua cov khoom muaj txiaj ntsig tawm ntawm cov hlau. Nws zoo nkaus li nthuav dav ntawm lub cev cov khoom ntawm cov hlau thiab alloys thiab siv rau hauv kev xav txog cov theem hloov nrog kub thiab / lossis muaj pes tsawg leeg.
Nyob rau hauv luv luv, lub cev metallurgy muaj kev txhawj xeeb txog kev txheeb xyuas thiab tswj cov khoom sib txawv ntawm cov hlau thiab alloys, kom lawv muaj txiaj ntsig zoo rau cov ntawv thov tshwj xeeb.
Lub cev metallurgy tseem tshuaj xyuas qhov ua rau muaj kev hloov pauv hauv lub cev ntawm cov hlau, xws li corrosion lossis degradation dhau sijhawm.
Mechanical Metallurgy
Mechanical metallurgy cuam tshuam nrog txhua yam ntawm kev ua haujlwm nrog cov hlau xws li dov, forging, extrusion, spinning, stamping, machining thiab lwm yam. Nyob rau hauv qhov kev nkag siab no, mechanical metallurgy yog zoo li ib qho kev kawm engineering dua li ob qho tib si (chemical thiab lub cev).
Lub hlau teb li cas rau lub zog siv? Qhov ntawd yog qhov tseem ceeb cov lus nug tseem ceeb uas cov tshuab metallurgy sim teb.
Mechanical metallurgy feem ntau suav nrog kev sim cov khoom siv ntawm cov hlau xws li tensile zog, hardness, qaug zog thiab lwm yam, nrog rau saib cov khoom xws li engineering tsim thiab xaiv cov khoom tsim nyog.
Cov khoom sib txawv ntawm cov khoom siv hlau
Silicon hlau
Silicon hlau (cim Si), nyob rau hauv nws daim ntawv ntshiab, yog grey metallically lustrous metalloid keeb. Metallurgical qib silicon yog lub npe hu ua silicon hlau vim nws lub ntsej muag ci.
Magnesium Ingot
Magnesium yog cov nyiaj hlau uas zoo ib yam li txhuas thiab siv hauv ntau lub lag luam xws li kev kho mob, kev ua liaj ua teb, thiab kev lag luam aerospace. Ntawm Fine Metals, peb muaj magnesium hauv purities xws li 99.9% mus rau 99.98%.
Silicon hlau hmoov
Silicon hlau hmoov yog hais txog silicon hlau hmoov ua los ntawm kev ua, feem ntau siv nyob rau hauv refractories, hmoov metallurgy kev lag luam ntawm raw cov ntaub ntawv.Metallic luster, siab melting point, zoo kub kuj, siab resistivity.Metal silicon hmoov yog siv dav hauv semiconductor technology, computer microchips , transistors thiab solar cells. Silicon hmoov kuj tseem siv los tsim lwm cov tshuaj silicon. Peb cov hmoov silicon yog tsim los siv cov nplej me me, mesh loj xws li 100mesh txog 325 mesh, APS =3-10μm, thiab customized particle size range.
Silicon Carbide
Silicon carbide (SiC), tseem hu ua carborundum, yog ib qho tshuaj nyuaj uas muaj silicon thiab carbon. Ib tug semiconductor, nws tshwm sim nyob rau hauv cov xwm raws li tsis tshua muaj mineral moissanite tab sis tau loj-tsim raws li ib tug hmoov thiab siv lead ua txij li thaum 1893 rau siv raws li ib tug abrasive. Cov nplej ntawm silicon carbide tuaj yeem sib koom ua ke los ntawm sintering los tsim cov ceramics nyuaj heev uas tau siv dav hauv cov ntawv thov kom muaj lub siab ntev, xws li lub tsheb nres, tsheb clutches, thiab cov phaj ceramic hauv cov mos txwv vests. Cov pob zeb loj loj ntawm silicon carbide tuaj yeem loj hlob los ntawm Lely txoj kev thiab lawv tuaj yeem txiav mus rau hauv lub pov haum hu ua hluavtaws moissanite.
Cored Hlau
Cored hlau yog lub hollow hlau raj uas muaj ib tug sib tov ntawm hlau, ntxhia, thiab tshuaj hmoov. Feem ntau ntawm cov hmoov core yog hlau, nrog rau ntau qhov sib txawv ntawm lwm cov ntaub ntawv ntxiv rau hauv cov tub ntxhais kom tsim tau qee yam kev cuam tshuam, xws li txo oxidation los yog muaj zog ntau dua. Lwm cov ntsiab lus kuj tau ntxiv kom ua tiav ntau yam zoo, tab sis cov kev sib txuas ua ke yog cov tswv ntawm cov neeg muab khoom hlau.
Vanadium Pentoxide
Vanadium pentoxide yog siv nyob rau hauv sib txawv, muaj txheej txheem raws li catalyst: nyob rau hauv cov txheej txheem hu nws ua hauj lwm rau oxidation ntawm SO2 rau SO3 nrog oxygen ntawm 440 degree. Dhau li ntawm nws yog siv nyob rau hauv oxidation ntawm ethanol rau ethanale thiab nyob rau hauv zus tau tej cov phthalic anydride, polyamide, oxalic acid thiab ntxiv cov khoom.
Kev lag luam semiconductor
Silicon hlau yog cov khoom siv tseem ceeb hauv kev tsim cov semiconductors. Nws yog ib qho tseem ceeb hauv kev tsim cov khoom siv computer chips, integrated circuits, transistors, thiab lwm yam khoom siv hluav taws xob. Silicon lub peev xwm los tswj thiab tswj cov hluav taws xob tam sim no ua rau nws zoo tagnrho rau kev lag luam no.
Kev lag luam Aluminium
Hauv kev lag luam aluminium, silicon hlau yog siv los ua tus neeg sawv cev alloying los txhim kho lub zog, kev ua haujlwm, thiab kub ua haujlwm ntawm aluminium alloys. Ntxiv silicon rau txhuas tuaj yeem txhim kho nws cov khoom siv kho tshuab, ua rau nws tsim nyog rau kev siv hauv tsheb, aerospace, kev tsim kho, thiab lwm yam lag luam.
Kev lag luam tshuaj
Silicon hlau yog ua hauj lwm hauv kev lag luam tshuaj los tsim ntau yam silicon tebchaw. Piv txwv li, nws yog siv los tsim cov silicones, uas yog siv dav hauv sealants, adhesives, lubricants, thiab kev siv kho mob. Silicon hlau tseem yog cov khoom siv raw rau kev tsim cov silanes, siloxanes, thiab lwm yam khoom siv silicon.
Refractories
Silicon hlau yog siv nyob rau hauv zus tau tej cov ntaub ntawv refractory, uas muaj siab kub kuj. Refractories yog siv nyob rau hauv furnaces, kilns, thiab lwm yam high-temperature industrial txheej txheem. Silicon-based refractories tuaj yeem tiv taus cua sov thiab muab rwb thaiv tsev, ua kom muaj kev ua haujlwm zoo thiab nyab xeeb.
Hnub Ci Zog
Silicon hlau yog qhov tseem ceeb hauv kev tsim cov hnub ci photovoltaic. Hnub ci vaj huam sib luag thiab lub hnub ci hluav taws xob siv hluav taws xob siv silicon wafers los ntes lub hnub ci thiab hloov mus rau hauv hluav taws xob. Lub siab purity thiab zoo heev hluav taws xob cov khoom ntawm silicon yog ib qho tseem ceeb rau lub hnub ci zog hloov dua siab tshiab.
metallurgy
Silicon hlau yog siv los ua deoxidizing thiab alloying tus neeg sawv cev hauv steelmaking thiab lwm yam txheej txheem metallurgical. Nws pab tshem tawm impurities, xws li oxygen thiab sulfur, los ntawm cov hlau molten, txhim kho qhov zoo thiab lub zog ntawm cov hlau. Silicon kuj tseem ntxiv rau ntau hom cam khwb cia hlau, muab kev txhim kho hnav tsis kam thiab txo cov brittleness.
Tshuaj ntsuam xyuas
Nyob rau hauv lub chaw soj nstuam, silicon hlau thiab nws cov tebchaw yog siv raws li tus qauv siv cov ntaub ntawv thiab calibrating tus neeg saib xyuas nyob rau hauv tshuaj ntsuam xyuas. Silicon feem ntau siv los ua matrix hauv X-ray spectroscopy thiab lwm yam kev tshuaj ntsuam xyuas vim nws cov khoom zoo ib yam thiab ruaj khov.
Silicon Powder Daim ntawv thov thiab kev siv
Ntau lub tuam txhab xav tau cov hlau ntshiab hauv ntau qhov sib txawv los ntxiv cov khoom ntxiv thaum ua cov khoom. Cov hlau no muab cov khoom sib txawv rau cov khoom, xws li cov hlau tawv tawv, muab kev tiv thaiv corrosion, lossis txo oxidation. Silicon yog ib qho hlau uas pom nyob rau hauv ntau qhov kev lag luam vim nws cov khoom siv ntau yam thiab kev ua haujlwm zoo. Ntshiab silicon hmoov muaj qhov zoo sib xws uas tso cai rau nws yuav tsum tau shaken, nias, thiab khi rau lwm yam ntaub ntawv raws li nws cov grain loj.
Silicon Powder Properties
Silicon yog ib yam tshuaj uas zoo ib yam li carbon thiab tin. Nws suav hais tias yog qhov nyuaj heev thiab nkig. Nws tsis hnov mob rau dej, oxygen, lossis acids vim qhov kev ruaj ntseg no ua rau nws zoo tagnrho rau ntau yam kev siv uas lwm cov hlau los yog cov ntawv thov yuav tsum tuav lawv cov yam ntxwv qub hauv qhov chaw sib txawv. Lub silicon nthuav dav thaum nws khov, thiab sib txuas nrog cov hlau sib txawv thiab lwm yam tshuaj los tsim kom muaj lub foob zoo ib yam. Nws tseem yog tus neeg sawv cev txhawb zog, thiab tiv thaiv corrosion thiab oxidation. Thaum nyob rau hauv daim ntawv hmoov, cov tshuaj yog waterproof, tolerates siab kub zoo, thiab muaj hluav taws xob rwb thaiv tsev.
Txhawm rau tsim cov hmoov silicon, silicon lumps tau tawg thiab milled rau hauv qhov ntau thiab tsawg. Qee daim ntawv thov tseem ceeb rau silicon hmoov muaj xws li hauv qab no:
Adhesives & Coatings
Silicon hmoov muaj peev xwm ua tau zoo heev, ua rau nws zoo tagnrho thaum siv tshuaj tsuag thiab coatings ntawm ntau qhov chaw los tsim kom muaj kev sib raug zoo. Nws kuj tiv thaiv corrosion thiab oxidation vim tsis muaj kev cuam tshuam rau dej los yog acids.
Silicone Rubbers, Roj, thiab Resins
Thaum nws los txog rau cov khoom siv hluavtaws, silicon hmoov yog siv heev. Nws yog cov hlau yooj yim rau silicone rubbers, resins, thiab roj vim nws cov dej tsis kam, kub kam rau siab, thiab hluav taws xob rwb thaiv tsev.
Lubricants
Silicon hmoov muaj kev tiv thaiv hnav thiab tiv thaiv kev laus. Nws yog muab tso rau hauv lubricants thiab roj raws li cov silicon tso cai rau cov kua ntws smoothly hla cov hlau. Nws tsim rau hauv cov yeeb yaj kiab tshaj qhov chaw los muab kev txhim kho rau kev sib txhuam kev ua haujlwm.
Semiconductors
Silicon yog siv nyob rau hauv integrated circuits thoob plaws hauv lub semiconductor kev lag luam. Cov hmoov muaj thermal stability tsim los ntawm hluav taws xob teb thiab kev khiav hauj lwm systems yog li cov khoom ua haujlwm tsis muaj kev hloov pauv rau lawv cov khoom siv kho tshuab lossis cov khoom siv.
Cov khoom siv refractory
Silicon muaj cov khoom refractory rau cov txheej txheem uas yuav tsum tau siv qhov kub thiab txias tsis tu ncua los yog siab. Nws tuaj yeem siv los ua ib txheej rau cov txheej txheem hlau smelting lossis av nkos cannons vim nws tiv taus hnav, kub, thiab oxidation.
Qhov zoo ntawm Hlau Cored Hlau
High Deposition Efficiency
Deposition efficiency yog kev sib raug zoo ntawm qhov hnyav ntawm cov hlau weld tso rau qhov hnyav ntawm electrode (los yog hlau) noj hauv kev ua ib qho vuam. Qhov siab dua qhov kev ua tau zoo ntawm cov khoom siv, qhov qis dua ntawm cov khoom siv tau raug pov tseg los ntawm kev tsis ua ib feem ntawm cov khoom siv vuam hlau.
Nrog rau lawv cov yam ntxwv arc, qib qis heev, thiab qis slag ntim, hlau-cored xov hlau muab kev tso nyiaj ua haujlwm tau zoo hauv 92-98% ntau. Qhov no yog nrog kev xaiv cov tshuaj tsuag hloov pauv thiab siab argon shielding roj sib tov. Txawm li cas los xij, kev hloov pauv hauv hom kev hloov pauv lossis kev tiv thaiv gasses yuav cuam tshuam rau kev ua haujlwm zoo.
High Deposition Rate
Tus nqi deposition yog qhov ntsuas ntawm qhov ntau npaum li cas weld hlau tso rau hauv ib lub sijhawm. Deposition nqi nrog rau deposition efficiency yog tus thawj txiav txim ntawm tus nqi-effectiveness ntawm ib tug consumable.
Feem ntau qhia raws li phaus ib teev (Kg / hr), hlau-cored xov hlau muaj ib qho ntawm qhov siab tshaj plaws deposition tus nqi ntawm tag nrho cov vuam consumables. Cov hlau cored hlau muaj peev xwm muaj peev xwm ua kom muaj qhov tso nyiaj ntau npaum li 12-14 phaus ib teev (5.4-6.4 Kg/hr) rau ib txoj kab uas hla 0.045" (1.2mm) . Qhov no piv rau cov khoom siv MIG vuam hlau nyob rau tib txoj kab uas hla ntawm 8-10 phaus ib teev (3.6-4.5 Kg/hr).
Qhov siab deposition tus nqi ua ke nrog siab deposition efficiency thiab tsawg slag ntim yuav cia cov hlau cored hlau siv nyob rau hauv ntau dua mus txawv tebchaws speeds. Qhov no ua rau kev nce hauv cov khoom tsim tau. Feem ntau, thaum tus nqi tso nyiaj ntawm 9 phaus ib teev lossis ntau dua tau ua tiav nrog cov hlau cored hlau piv rau cov khoom siv MIG hlau, yuav muaj kev txuag nqi.
Tsawg Slag Volume, Tsawg Spatter Qib
Cov hlau cored hlau muaj qhov ntim tsawg heev. Qhov no txhais tau hais tias txo qis spatter theem uas yuav tsum tau ntxuav los ntawm niam txiv cov khoom ua ntej ua tiav. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog rau kev ua haujlwm tas mus li qhov chaw txav los ntawm kev sib dhos / vuam ua haujlwm ncaj qha mus rau kev ntxuav thiab pleev xim. Kev tu cov weld spatter los ntawm ib lub fabricated piece yuav yog ib qho tseem ceeb tom qab weld clean-up nqi.
Kev siv Vanadium (V) Oxide los yog Vanadium Pentoxide
Ferrovanadium ntau lawm
Hais txog qhov ntau, qhov tseem ceeb siv rau vanadium (V) oxide yog nyob rau hauv zus tau tej cov ferrovanadium. Cov oxide yog rhuab nrog cov hlau thiab ferrosilicon, nrog cov txiv qaub ntxiv los tsim cov calcium silicate slag. Aluminium kuj tseem siv tau, ua cov hlau-vanadium alloy nrog rau alumina ua cov khoom lag luam.
Kev tsim cov sulfuric acid
Lwm qhov tseem ceeb ntawm kev siv vanadium (V) oxide yog nyob rau hauv kev tsim cov sulfuric acid, ib qho tseem ceeb muaj tshuaj lom neeg nrog ib xyoos ib zaug thoob ntiaj teb zus tau tej cov 165 lab tonnes nyob rau hauv 2001, nrog rau kwv yees tus nqi ntawm US $ 8 billion. Vanadium (V) oxide pab lub hom phiaj tseem ceeb ntawm catalyzing me ntsis exothermic oxidation ntawm sulfur dioxide rau sulfur trioxide los ntawm huab cua hauv kev sib cuag.
Lwm Daim Ntawv Thov
Vim nws cov coefficient siab ntawm thermal kuj, vanadium (V) oxide pom siv los ua cov khoom siv hauv bolometers thiab microbolometer arrays rau thermal imaging. Nws kuj pom daim ntawv thov raws li ethanol sensor nyob rau hauv ppm theem (txog 0.1 ppm).
Vanadium redox roj teeb yog ib hom roj teeb uas siv rau lub zog cia, suav nrog cov chaw siv hluav taws xob loj xws li cua ua liaj ua teb. Vanadium oxide kuj tseem siv los ua cathode hauv lithium ion roj teeb.
Peb tus khub koom tes thiab daim ntawv pov thawj
Cov lus nug nquag nug txog cov khoom siv hlau