Cov electrodes graphite fais fab loj heev tau siv dav hauv cov hauv qab no:
1. Cov pwm graphite rau kev ua cov hlau tsis yog ferrous tas mus li thiab ib nrab tas mus li
Nyob rau xyoo tas los no, cov txheej txheem tsim khoom siab heev xws li kev tsim cov hlau lossis cov raj los ntawm cov hlau uas tau yaj tau txhawb nqa hauv tsev thiab txawv teb chaws. Txoj kev no tau pib siv hauv Suav teb hauv cov khoom xws li tooj liab, tooj liab alloys, txhuas thiab txhuas alloys. Graphite dag yog suav tias yog cov khoom siv zoo tshaj plaws rau kev tsim cov pwm txuas ntxiv lossis ib nrab txuas ntxiv ntawm cov hlau uas tsis yog hlau. Kev xyaum tsim khoom tau ua pov thawj tias vim yog kev siv cov pwm graphite, uas muaj cov thermal conductivity zoo (thermal conductivity txiav txim siab qhov ceev ntawm cov hlau lossis alloys) thiab kev ua haujlwm zoo ntawm cov pwm, tsis yog tsuas yog qhov ceev casting nce ntxiv xwb, tab sis kuj vim tias qhov loj ntawm cov inget yog qhov tseeb, qhov chaw du, thiab cov qauv crystalline yog sib xws, cov txheej txheem ua tom ntej tuaj yeem ua tiav ncaj qha. Qhov no tsis tsuas yog ua rau cov khoom tiav ntau ntxiv thiab txo qhov poob ntawm cov khoom pov tseg, tab sis kuj tseem txhim kho qhov zoo ntawm cov khoom.
Muaj ob hom kev casting tas mus li: ntsug tas mus li casting thiab kab rov tav tas mus li casting.
2. Cov pwm rau kev ua kom siab
Cov khoom siv graphite cuav tau siv tau zoo hauv kev ua cov hlau uas tsis yog ferrous. Piv txwv li, cov zinc alloy thiab tooj liab alloy castings uas tsim los ntawm cov pwm ua los ntawm cov khoom siv graphite cuav tau siv rau hauv cov khoom siv hauv tsheb thiab lwm yam.
3. Kub nias tuag
Cov khoom siv graphite kub nias tuag muaj cov yam ntxwv hauv qab no thaum siv rau hauv kev kub siab sintering ntawm cemented carbide:
Ua ntej, yog tias qhov kub nias raug tsa mus rau 1350-1450 degrees, qhov siab ntawm chav tsev xav tau tuaj yeem txo qis mus rau 67-100 kilograms quab yuam ib square centimeter (uas yog, ib feem kaum ntawm qhov nias txias). Qhov thib ob, kev nias thiab cua sov raug ua tiav hauv tib txoj kev, thiab lub cev sintered ntom tuaj yeem tau txais tom qab lub sijhawm luv luv ntawm sintering.
4. Cov pwm rau kev tsim iav
Vim yog qhov ruaj khov ntawm cov khoom siv graphite, lawv txoj kev tiv thaiv kom tsis txhob ntub los ntawm cov iav yaj, thiab qhov tseeb tias lawv tsis hloov pauv cov khoom sib xyaw ntawm cov iav, nrog rau lawv txoj kev tiv thaiv thermal shock zoo thiab kev hloov pauv me me nrog qhov kub, lawv tau dhau los ua cov khoom pwm tseem ceeb hauv kev tsim iav hauv xyoo tas los no. Lawv tuaj yeem siv los ua pwm rau cov raj iav, cov raj luj tshib, cov raj xa dej, thiab ntau yam fwj iav zoo li tshwj xeeb.
5. Sintering tuag thiab lwm yam
Siv qhov zoo ntawm qhov me me ntawm cov khoom siv graphite dag, cov pwm sintering thiab cov brackets rau transistors tuaj yeem tsim tau. Tam sim no nws tau siv dav thiab tau dhau los ua cov khoom siv tseem ceeb rau kev txhim kho ntawm kev lag luam semiconductor. Tsis tas li ntawd, cov pwm graphite kuj tseem siv rau hauv cov pwm hlau cam khwb cia, cov pwm ruaj khov rau ntau yam hlau tsis yog ferrous, cov pwm rau cov hlau cam khwb cia, cov pwm rau cov hlau tiv taus cua sov (xws li titanium, zirconium, molybdenum, thiab lwm yam), thiab cov pwm rau cov pwm vuam aluminothermic rau cov hlau vuam, thiab lwm yam.
6. Cov pwm graphite rau kev ua centrifugal casting
Cov pwm graphite tau siv tau zoo hauv kev ua centrifugal casting. Tebchaws Meskas tau siv cov pwm graphite cuav nrog phab ntsa tuab ntau dua 25 millimeters rau centrifugal casting ntawm cov tes tsho tooj liab. Txhawm rau tiv thaiv kev puas tsuaj ntawm cov pwm graphite cuav, qee qhov kev ntsuas tiv thaiv kev oxidation tuaj yeem ua tau. Tom qab casting qee qhov castings, yog tias sab hauv ntawm cov pwm pom tias hlawv tawm, qhov loj ntawm lub qhov sab hauv ntawm cov pwm tuaj yeem nthuav dav kom siv rau casting cov tes tsho loj. Qingdao Mingyuan Fengyue Cov Khoom Tshiab yog ib hom tshiab ntawm kev ua graphite nrog cov hmoov graphite flake zoo ua nws lub cev tseem ceeb thiab cov khoom siv graphite siab ua nws cov khoom tseem ceeb. Nws tau tsim kev sib raug zoo ntev nrog ntau dua 200 lub tsev hauv tsev thiab txawv teb chaws thiab tau txais kev qhuas los ntawm feem ntau ntawm cov neeg siv.
Nanometer graphite hmoov yog ua los ntawm cov flake graphite ntuj ua cov khoom siv raw, ua tiav los ntawm cov khoom siv tshwj xeeb mechanical crushing thiab cov txheej txheem tsim khoom tshwj xeeb. Raws li nanoscale graphite hmoov, nanometer graphite hmoov muaj ntau yam kev siv vim nws cov khoom me me, cov pa roj carbon ntau, thiab lubricity zoo heev, hluav taws xob conductivity siab, kub siab tiv taus, thiab lwm yam. Qhov ntau thiab tsawg ntawm nano-graphite hmoov yog siv rau hauv kev tsim khoom lag luam xws li lubrication thiab conductivity.
Cov khoom me me graphite nanometer zoo thiab muaj cov khoom me me zoo. Lawv tsim ib txheej tiv thaiv uas ruaj khov thiab yuav luag tsis hnav uas sib txuas nrog cov hlau nto. Lawv kuj tuaj yeem sib xyaw nrog cov khoom tsis conductive xws li cov resins thiab roj hmab thiab cov khoom yas los ua cov khoom sib xyaw conductive. Nanometer graphite kuj tseem tuaj yeem ua rau cov txheej conductive. Cov txheej conductive composite tau los ntawm kev ntxiv cov khoom conductive muaj cov khoom hluav taws xob ruaj khov thiab ruaj khov. Nws muaj qhov zoo ntawm kev ua tau zoo thermal conductivity, kev ua tau zoo hluav taws xob thiab kev tiv thaiv corrosion siab heev. Nanometer graphite muaj qhov loj me me, purity siab, thiab kev ua haujlwm ntawm qhov chaw siab. Nws kuj muaj kev ua tau zoo hluav taws xob thiab kev ua kom lubrication, nrog rau kev tiv thaiv kub siab, kev tiv thaiv hnav, thiab kev ruaj khov tshuaj ntawm cov hmoov graphite. Yog li ntawd, daim ntawv thov ntawm nanometer graphite hmoov yog dav heev hauv kev lag luam.
Kev siv cov hmoov nano-graphite hauv kev kho cov roj teeb cia khoom kuj dav heev. Ntxiv nano-graphite rau cov roj teeb siv lawm tuaj yeem ua rau lawv muaj peev xwm khaws cia ntau dua 90% ntawm cov qub thiab ntev lawv lub neej ua haujlwm tsawg kawg ib xyoos. Qhov no txuag tau cov nqi siv roj teeb cia khoom thiab tseem ua lub luag haujlwm tseem ceeb hauv kev tswj kev ua qias tuaj ntawm roj teeb thiab kev tiv thaiv ib puag ncig.
Cov hmoov graphite muaj ntau yam kev siv hauv kev lag luam. Nws tuaj yeem siv rau hauv ntau qhov chaw tsim khoom lag luam. Kev siv cov hmoov graphite sib txawv ua rau tus nqi sib txawv. Cov hmoov graphite muaj cov txiaj ntsig zoo rau kev siv hauv cov teb xws li kev siv roj av hauv kev lag luam, metallurgy, conductivity, thiab cov ntaub ntawv refractory. Cov yam xws li kev siv, qhov loj me ntawm cov khoom me me, thiab hom hmoov graphite tuaj yeem cuam tshuam rau nws tus nqi.
Cov hmoov graphite siv tau ntau yam, yog li muaj ntau hom hmoov graphite. Cov hmoov graphite sib txawv muaj tus nqi sib txawv. Cov hmoov graphite flake tuaj yeem ua tiav rau hauv cov hmoov graphite ntawm ntau yam kev qhia tshwj xeeb thiab qhov loj me ntawm cov khoom siv sib txawv thiab cov txheej txheem tsim khoom. Ua tus tsim cov hmoov graphite, cov lus qhia ntawm cov hmoov graphite tsim tawm yog txij li 80 mesh txog 15000 mesh. Cov hmoov graphite muaj cov lus qhia tshwj xeeb thiab qhov loj me ntawm cov khoom sib txawv, thiab nws tus nqi kuj zoo ib yam. Tom qab ua tiav los ntawm cov txheej txheem tsim khoom, cov hmoov graphite muaj lubricity zoo heev, tiv taus kub siab, hluav taws xob conductivity, tiv taus corrosion, thiab lwm yam. Cov hmoov graphite kuj tseem tuaj yeem ua lub luag haujlwm sib xws hauv ntau qhov chaw tsim khoom ntawm kev lag luam.
Cov hom hmoov graphite muaj xws li: Flake graphite hmoov, ultrafine graphite hmoov, nano graphite hmoov, colloidal graphite, expanded graphite, expandable graphite, micro-hmoov graphite, thiab lwm yam. Tag nrho cov hmoov graphite no yog ua los ntawm ntau yam txheej txheem ntau lawm, thiab lawv cov ntawv thov kuj muaj ntau yam. Graphite hmoov yog siv rau hauv cov teb tsim cov roj lubricating, cov roj nplaum khov kho, graphite crucibles, refractory bricks, graphite electrodes, txhuam, roj teeb negative electrodes, thiab lwm yam. Txhua yam muaj cov ntawv thov zoo heev.
Lub sijhawm tshaj tawm: Tsib Hlis-27-2025