Mwambo 99.95% Bwato la Tungsten W la Evaporation
Maboti a Tungsten omwe amagwiritsidwa ntchito ngati nthunzi nthawi zambiri amapangidwa pogwiritsa ntchito njira zopangira zitsulo. Zotsatirazi ndizomwe zimapangidwira kupanga bwato la tungsten kuti liwuke:
Kusankha kwazinthu zopangira: Sankhani ufa wachitsulo wapamwamba kwambiri wa tungsten, nthawi zambiri wokhala ndi chiyero cha 99.95%, ngati chinthu chachikulu chopangira mabwato a tungsten. Kuyeretsa kwakukulu kumatsimikizira kuipitsidwa kochepa panthawi ya nthunzi. Kusakaniza: Sakanizani ufa wa tungsten mosamala pogwiritsa ntchito zida zapadera kuti mukwaniritse kusakaniza kofanana ndi zinthu zosasinthika. Kuphatikizika: ufa wosakanikirana wa tungsten umayikidwa mu nkhungu ndipo kuthamanga kwakukulu kumayikidwa, makamaka kudzera kuzizira kwa isostatic pressing (CIP) kapena uniaxial pressing. Njirayi imaphatikizira ufawo kuti ukhale wandiweyani komanso wolumikizana womwe umafanana ndi geometry ya ngalawa yomwe mukufuna. Pre-sintering: Zigawo za tungsten zowonongeka zimayikidwa kale pa kutentha kwakukulu mumlengalenga wolamulidwa, zomwe zimalola kuti tinthu tating'ono tigwirizane ndikupanga dongosolo lolimba la mphamvu zowonjezereka. Sintering: Ziwalo zomwe zimayikidwa kale zimayikidwa pa kutentha kwambiri kwa sintering mu vacuum kapena hydrogen atmosphere. Njirayi imalimbitsanso zinthuzo, imachotsa ma pores otsalira, ndikulimbikitsa kukula kwa tirigu, zomwe zimapangitsa kuti bwato la tungsten likhale lamphamvu komanso lolimba. Kukonza ndi kutsirizitsa: Pambuyo pa sintering, bwato la tungsten limatha kuchitidwa machining monga mphero, kutembenuza kapena kugaya kuti akwaniritse miyeso yomaliza, mipope ndi kutsiriza kwapamwamba komwe kumafunikira kuti zinthuzo zisungunuke bwino panthawi ya nthunzi. Kuwongolera Ubwino: Maboti a tungsten omalizidwa amawunikidwa kuti aone ngati ali olondola kwambiri, kukhulupirika kwapamtunda ndi chiyero chakuthupi kuti awonetsetse kuti akukwaniritsa zofunikira pakugwiritsa ntchito mpweya.
Panthawi yonse yopanga, njira zoyendetsera bwino komanso kuyang'anira kachitidwe ndizofunikira kuti bwato la tungsten likwaniritse zofunikira pakuyika vacuum. Boti la tungsten lomwe limakhalapo limatha kupirira kutentha kwambiri komanso malo owononga, ndikupangitsa kuti likhale loyenera kugwiritsa ntchito mitundu yosiyanasiyana ya mpweya wa vacuum m'mafakitale.
Mabwato a Tungsten amagwiritsidwa ntchito nthawi zambiri potulutsa mpweya wa vacuum, makamaka kuyika mafilimu ochepa komanso kupanga semiconductor. Nazi zina zofunika kwambiri za evaporation ya ngalawa ya tungsten:
Kuyika kwa filimu yopyapyala: Maboti a Tungsten amagwiritsidwa ntchito popanga vapor deposition (PVD) kuti asungunuke zitsulo ndi zinthu zina pagawo laling'ono kuti apange mafilimu opyapyala a makulidwe ndi kapangidwe kake. Izi zimagwiritsidwa ntchito kwambiri popanga zokutira zamagetsi ndi zowoneka bwino komanso zokongoletsa komanso zogwira ntchito pamwamba. Kupanga Semiconductor: M'makampani opangira zida zamagetsi, mabwato a tungsten amagwiritsidwa ntchito nthawi zambiri kuyika zinthu zoonda zamakanema monga aluminiyamu, titaniyamu ndi zigawo zina zachitsulo pamipando ya silicon. Ichi ndi sitepe yofunika kwambiri popanga mabwalo ophatikizika, ma microelectromechanical systems (MEMS), ndi zipangizo zina zamagetsi. Kafukufuku ndi Chitukuko: Mabwato a Tungsten amagwiritsidwa ntchito mu labotale ndi malo a R&D kuti asungunuke zinthu kuti aphunzire za zomwe ali nazo, kupanga zida zatsopano zamakanema owonda, ndikufufuza matekinoloje atsopano. Izi zikuphatikiza mabungwe ofufuza zamaphunziro, ma laboratories aboma komanso malo opangira mafakitale a R&D. Malo osungunuka kwambiri a Tungsten komanso kukhazikika kwabwino kwa kutentha kumapangitsa kuti ikhale chinthu choyenera kupangira ma crucibles okhala ngati bwato omwe amagwiritsidwa ntchito popanga nthunzi. Maboti a Tungsten amatha kupirira kutentha kwakukulu komwe kumafunikira kuti asungunuke zinthu zambiri popanda kusinthika kwakukulu kapena kuwonongeka, kuwonetsetsa kuti filimuyo ikhazikika komanso yodalirika. Kuphatikiza apo, kusakhazikika kwawo komanso kukana kukhudzidwa kwamankhwala kumawapangitsa kukhala oyenera kutulutsa zinthu zomwe zimagwira ntchito komanso ma alloying m'malo olamulidwa.
Ponseponse, mabwato a tungsten amatenga gawo lofunikira pakuyika filimu yopyapyala ndipo ndi gawo lofunikira m'mafakitale osiyanasiyana omwe amadalira ukadaulo wa vacuum evaporation kupanga zida zapamwamba ndi zida zamagetsi.
| Dzina lazogulitsa | Boti la Tungsten Kwa Evaporation |
| Zakuthupi | W1 |
| Kufotokozera | Zosinthidwa mwamakonda |
| Pamwamba | Khungu lakuda, alkali otsukidwa, opukutidwa. |
| Njira | Sintering ndondomeko, Machining |
| Meltng point | 3400 ℃ |
| Kuchulukana | 19.3g/cm3 |
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