Zoo siab WCu ntawv tungsten tooj liab alloy phaj
Kev tsim cov tungsten-tooj liab hlau phaj feem ntau cuam tshuam nrog cov txheej txheem hu ua infiltration.Txoj kev no sib txuas tungsten thiab tooj liab rau hauv cov khoom sib xyaw uas siv cov khoom ntawm ob qho tib si hlau.Ntawm no yog ib lub ntsiab lus ntawm cov txheej txheem ntau lawm:
Kev npaj hmoov: Cov txheej txheem ntau lawm feem ntau pib nrog kev npaj ntawm tungsten hmoov thiab tooj liab hmoov.Cov hmoov no tau ua tib zoo ntsuas thiab sib xyaw rau hauv qhov xav tau proportions kom tau txais qhov xav tau alloy muaj pes tsawg leeg.Txoj kev sib tov yog qhov tseem ceeb kom ntseeg tau tias qhov sib xyaw ua ke ntawm ob lub ntsiab lus.Compaction: Cov hmoov sib tov yog ces compacted nyob rau hauv siab.Cov txheej txheem compaction no pab tsim ntsuab compacted qhov chaw ntawm qhov xav tau cov duab thiab loj.Compaction tuaj yeem ua tiav siv ntau txoj hauv kev, xws li txias nias lossis isostatic nias.Sintering: Tom qab compaction, lub cev ntsuab yog sintered ntawm qhov kub thiab txias nyob rau hauv ib qho chaw tswj kom ua tau ib tug metallurgical daim ntawv cog lus ntawm tungsten thiab tooj liab hais.Cov txheej txheem sintering pab ua kom tiav qhov ntom thiab lub zog xav tau rau cov phaj hlau.Infiltration: Lub sintered tungsten billet ces raug rau cov txheej txheem tooj liab infiltration.Qhov no suav nrog muab sintered tungsten briquettes rau hauv lub qhov cub uas muaj cov tooj liab molten.Qhov kub siab ua rau tooj liab yaj thiab nkag mus rau hauv cov qauv ntxeem tau ntawm sintered tungsten, tsim cov khoom sib xyaw uas sib xyaw ua ke ntawm ob qho tib si tungsten thiab tooj liab.Kev ua tiav kawg: Thaum infiltration tiav lawm, cov khoom sib xyaw ua tiav ntxiv kom ua tiav qhov ntev, qhov chaw tiav thiab txhua qhov yuav tsum tau ua tom qab ua tiav (xws li kev kho cua sov lossis machining) kom tau raws li qhov tshwj xeeb thiab cov kev cai.Cov txheej txheem ntau lawm ntawm tungsten-tooj liab alloy daim hlau yuav tsum tau ceev faj tswj cov hmoov sib tov, compaction, sintering thiab infiltration txheej txheem kom ua tiav cov khoom xav tau thiab zoo ntawm cov khoom kawg.Tsis tas li ntawd, cov ntsiab lus tshwj xeeb ntawm txoj kev tsim khoom tuaj yeem sib txawv nyob ntawm cov chaw tsim khoom thiab cov phiaj xwm thov ntawm tungsten tooj liab alloy phaj.
Tungsten tooj liab alloy phaj muaj ntau yam kev siv vim nws cov khoom tshwj xeeb.Qee qhov kev siv rau tungsten tooj liab alloy phaj suav nrog:
Cov khoom siv hluav taws xob thiab hluav taws xob: Tungsten-tooj liab alloy muaj cov thermal thiab hluav taws xob zoo heev thiab tuaj yeem siv rau hauv cov hluav taws xob tiv tauj, cov dab dej kub thiab cov electrodes.Kev sib xyaw ua ke ntawm tungsten thiab tooj liab tso cai rau cov cua sov kom zoo thiab xa hluav taws xob, ua rau nws tsim nyog rau kev siv hauv cov khoom siv hluav taws xob thiab hluav taws xob.Aerospace thiab Kev Tiv Thaiv: Tungsten-tooj liab alloy daim hlau yog siv rau hauv kev lag luam aerospace thiab kev tiv thaiv rau kev siv xws li foob pob hluav taws nozzles, cov khoom kub kub, hluav taws xob tiv tauj, thiab tiv thaiv hluav taws xob.High thermal stability, hnav tsis kam thiab kub tsis kam ua rau tungsten tooj liab alloys muaj txiaj ntsig hauv cov cheeb tsam hnyav no.Vuam thiab brazing: Tungsten-tooj liab alloy daim hlau yog siv los ua vuam thiab brazing electrodes vim lawv cov thermal conductivity, tsis tshua muaj thermal expansion, thiab tsis kam rau vuam arc yaig.Lawv pab ua tiav kev txhim khu kev qha thiab zoo sib xws, tshwj xeeb tshaj yog nyob rau hauv kev ntxhov siab lossis kev siv vuam kub.Cov Khoom Siv Kho Mob: Tungsten-tooj liab alloys yog siv rau hauv cov khoom siv kho mob thiab cov cuab yeej siv, suav nrog cov khoom siv hluav taws xob xoo hluav taws xob, cov ntaub thaiv hluav taws xob, thiab cov khoom sib tsoo, vim tias lawv muaj peev xwm txo qis hluav taws xob thiab muab cov qauv kev ruaj ntseg rau cov khoom siv kho mob.Automotive thiab Telecommunications: Vim nws cov thermal tswj thiab hluav taws xob conductivity zog, tungsten-tooj liab alloy phaj yog siv nyob rau hauv automotive Cheebtsam xws li hybrid thiab hluav taws xob tsheb systems, raws li zoo raws li cov khoom siv sib txuas lus.
Cov no tsuas yog qee qhov piv txwv ntawm kev siv ntau yam ntawm tungsten tooj liab alloy phaj.Lawv cov khoom sib xyaw tshwj xeeb ua rau lawv muaj txiaj ntsig hauv kev lag luam uas xav tau kev ua haujlwm siab thermal tsis kam, hluav taws xob conductivity thiab mechanical zog.
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