Electrode zog hauv qhov chaw vuam: Vim li cas lawv tseem ceeb

Tsis zoo li cov ntshiab tooj liab tsis kam vuam electrodes, uas ua kom sov vim lawv cov khoom thiab tsim, cov ntshiab refractory electrodes raug xaiv meej vim lawv khaws cov cua sov. Tungsten (W) yog qhov tseem ceeb rau qhov muaj qhov siab tshaj plaws melting point ntawm ib qho hlau (3,387 ° C) thiab nyuaj heev ntawm chav tsev kub thiab kub. Nws feem ntau tiv thaiv oxidation thiab nws kuj yog siab heev.

Molybdenum (MO), tungsten's" tus muam" ntawm cov hlau refractory, kuj muaj qhov siab melting point (2610 ° C) thiab cov neeg kho tshuab muaj zog ntawm qhov kub thiab txias, txawm hais tias nws yog qis dua tungsten. Kev tiv thaiv ntawm Mo kuj yog siab heev. Rau kev tshuaj xyuas kom ntxaws ntxiv ntawm qhov kev tiv thaiv ntawm ntau lub ntsiab lus, suav nrog tungsten thiab molybdenum, qhov kev tiv thaiv ntawm cov ntsiab lus xaiv suav nrog cov kab kos uas qhia qhov kev tawm tsam ntawm qhov ntsuas kub tag nrho, uas muaj txiaj ntsig ntau dua li tus nqi ntawm tus kheej.

Thaum xaiv cov khoom siv hluav taws xob rau koj daim ntawv thov vuam tsis kam, nws yog ib qho tseem ceeb uas yuav tsum tau nkag mus rau qhov chaw vuam txheej txheem los ntawm kev tsim kom cov electrodes txias li sai tau, yog li tswj tau qhov tsis muaj oxidation noj. Tungsten yog yooj yim stratified los ntawm thermal shock dua molybdenum, yog li qhov no yog ib qho kev xaiv ntxiv. Kev lag luam tawm, txawm li cas los xij, yog tias molybdenum oxidizes sai dua tungsten.

Nyob rau tib lub sijhawm nrog kev tsim cov khoom siv tooj liab alloy tsim los txhim kho cov khoom thiab kev coj tus cwj pwm ntawm cov tooj liab ntshiab, muaj tungsten thiab molybdenum alloys uas txhim kho cov ntsiab lus ntshiab ntawm lawv tus kheej. (Thov nco ntsoov tias txij li tungsten thiab molybdenum yog cov khoom siv hmoov hlau, lub sij hawm" alloy" yog siv rau hauv ib txoj kev sib txawv dua li cov hlau tsis yog hmoov. yuav tsum muaj sia nyob lossis hloov mus rau qhov kub-kub ua haujlwm ntawm tungsten thiab molybdenum.

Copper tungsten (CuW) muaj ntau qhov sib xyaw ua ke thiab siv dav vim qhov sib npaug ntawm qhov zoo ntawm tooj liab thiab tungsten. Nyiaj tungsten (AgW) kuj yog tsim nyob rau hauv sib txawv proportions. Qhov kom zoo dua yog tias cov nyiaj (Ag) nyuaj rau alloyed nrog hlau (Fe) thiab npib tsib xee (Ni), yog li AgW tuaj yeem yog qhov kev xaiv zoo rau vuam stainless hlau thiab lwm yam nickel-based alloys.

Cov ntaub ntawv hlau electrode no yog qhov tshwm sim ntawm sintering hardening ntawm permeable qauv. Feem ntau, cov ntawv ntsuas tau raug ntsuas ntawm cov tooj liab dawb lossis nyiaj yog muab tso rau hauv cov pwm uas muaj qhov ntsuas qhov tseeb ntawm tungsten lossis molybdenum hmoov thiab ci hauv qhov cub tsis zoo. Qhov tshwm sim yog ib qho electrode nrog kub siab zog thiab siab conductivity.

Qee zaum kev siv vuam vuam yuav tsum muaj cov qauv kev ua tau zoo. Nyob rau hauv cov ntaub ntawv no, muaj ntau yam tshwj xeeb electrodes. Silver carbide (AgWC) yog cov khoom siv hluav taws xob tsis zoo vim tias tungsten carbide (WC) muaj oxidation zoo heev thaum tuav cov duab thoob plaws hauv lub voj voog thermal.

Thaum kawg, cov hlau hnyav - tseem hu ua hnyav tungsten alloys, uas muaj W, Fe, Ni thiab Cu, nyob ntawm txhua lub chaw tsim khoom' cov qib sib txawv - yog lwm cov hlau tsis sib xws rau qhov chaw vuam electrodes. Nws qhov zoo muaj xws li oxidation kuj zoo heev thiab yooj yim ntawm kev ua piv rau cov ntshiab tungsten thiab tungsten carbide (WC).

Yog tias koj xaiv qhov chaw vuam electrodes rau koj daim ntawv thov, kev nkag siab cov khoom siv yuav yog qhov tseem ceeb. Yog xav paub ntxiv txog cov khoom vaj khoom tsev thiab lawv ntau qhov kev sib tshuam,

Thov hu rau peb ntawm zhang@pride-cnc.com