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Alumina ceramics oo leh caabbinta daxalka balasmaha oo aad u fiican iyo iska caabbinta xirashada sare

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Alumina ceramics oo leh caabbinta daxalka balasmaha oo aad u fiican iyo iska caabbinta xirashada sare

Astaamaha ugu muhiimsan: caabbinta daxalka balasmaha oo aad u wanaagsan, iska caabin sare oo xidhidh.

Codsiyada ugu muhiimsan: Qaybaha Qalabka Semiconductor, Xiro-u adkaysta, qaybo u adkaysta daxalka, biraha hagaha, alwaaxyada labajibbaaran.

Alumina (Al2O3) waa alaabta ugu caansan dhoobada saxda ah, taas oo awood u siinaysa wax soo saarka qiimo jaban.

Gaar ahaan waxqabadka ugu fiican ee dahaarka korantada iyo xasiloonida kiimikada, inta badan loo isticmaalo agabka qaabdhismeedka ama walxaha u adkaysta luminta.

    Goobta Codsiga ee Alumina Ceramics

    Alumina ceramics waa nooc ka mid ah walxaha dhoobada saxda ah, waxaan si wax ku ool ah u wanaajin karnaa hufnaanta codsiga iyo adkeysiga dhabta ah ee ceramics alumina anagoo ku daraya budada aluminium oxide ee dhoobada, oo leh koronto wanaagsan, xoog farsamo iyo iska caabin heerkul sare ah, waa mid ka mid ah kuwa ugu badan ee loo isticmaalo dhoobada

    1. Dhinacyada farsamada
    Faa'iidada muhiimka ah ee ceramics alumina waa in xoogga foorarkiisu uu aad u sarreeyo, iyo heerka cadaadiska kuleylka ayaa aad uga sarreeya qalabka kale ee isku midka ah. Marka la eego adkaanta Mohs waa mid aan laga adkaan karin, faa'iido gaar ah, oo ay weheliso iska caabin aad u fiican, sidaas darteed waxaa badanaa loo isticmaalaa in lagu sameeyo qalab, dhoobo dhoobo ah ... iwm. Qalabka dhoobada ah iyo alwaaxyada warshadaha ayaa ah doorashada hadda la doorbido ee codsiyada dhoobada aluminiumka.

    2. Beerta Kiimikada
    Maaddooyinka aluminiumku waxay sidoo kale mustaqbal ballaadhan ku leeyihiin warshadaha kiimikada, hadday tahay kubbadaha wax lagu duubo ee kiimikaad ama dahaarka u adkaysta daxalka, walxaha polymer-ka aan organic ee la isticmaalo waa inay ahaadaan iska caabin heerkul sare ah iyo xasillooni kuleyl oo wanaagsan. ceramics Alumina laguma cadaadin doono xoog sare iyo cadaadis sare, iska caabin karaa nabaad guurka ee dareerayaasha organic iyo alaabta ceeriin kiimikaad, waxaa loo isticmaali karaa si isdaba joog ah, oo buuxi shuruudaha shaqada kiimikada.

    3. Dhinaca Elektarooniga-korontada
    Alumina ceramics sidoo kale waxay door muhiim ah ka ciyaaraan dhinaca korantada elektiroonigga ah, iyo noocyo kala duwan oo dhoobada dhoobada ah, filimada dhoobada, dhoobada hufan iyo aaladaha dahaarka ayaa ah kuwa aan laga sooci karin ceramics alumina. Goobta ganacsiga elektiroonigga ah ee ugu weyn, dhoobada hufan waa jihada muhiimka ah ee cilmi-baarista hadda jirta iyo adeegsiga tignoolajiyada cusub, ma aha oo kaliya inay leedahay kala duwanaansho sare oo iftiin ah, kuleylka kuleylka sarreeya, dhaqdhaqaaqa hooseeya, caabbinta xirashada iyo faa'iidooyinka taxane ah ayaa aad caan u ah. .

    4. Dhismaha nadaafadda
    Codsiga bulukeetiga dhoobada dhoobada ah iyo microcrystalline xirashada u adkeysiga alumina dhagaxa spherical ee kubada ayaa ahaa mid aad loo jecel yahay, iyo codsiga ee rullaluistemadka dhoobada alumina, tube filter dhoobada alumina iyo alumina kala duwan iyo alumina oo ay la socdaan qalab kale refractory laga arki karaa meel kasta.

    5. Dhinacyada kale
    Waxyaabo kala duwan oo isku dhafan oo wax laga beddelay oo ceramics alumina ah sida fiber carbon fiber ceramics oo la xoojiyay, dhoobada alumina ee la xoojiyay zirconia iyo ceramics kale oo adag oo alumina ah ayaa si sii kordheysa loogu isticmaalo beeraha farsamada sare; Alumina ceramic abrasives iyo koollada sare ee dhalaalaya ayaa door qoto dheer ka ciyaaraya mishiinada iyo warshadaha wax soo saarka dahabka; Intaa waxaa dheer, dhexdhexaadinta dhoobada alumina waxay leedahay waxqabad heer sare ah oo ku saabsan shiididda iyo habaynta alaabta ceeriin ee daahan iyo warshadaha dawooyinka.

    Midabka -- Maroodiga
    Waxa ku jira Aluminium -- 99.7 ~ 99.9%
    Cufnaanta cabbirka G/Cm3 3.92-3.98
    Vickers Hardness Kgf/Mm2 1735
    Jebinta Tenacity MPa.M1/2 3.51
    Iska-caabbinta Saddex dhibcood MPa 520
    Awoodda kulaylka ee gaarka ah J/Kg.℃ 0.68
    Isku xidhka fidinta kulaylka M2/S 0.0968
    Habdhaqanka kulaylka
    26W/MK
    Elasticity Modulus GPA 356
    Celceliska Iskuxidhka Balaadhinta Kulaylka Tooska ah (0-500℃) 10-6/℃ 6.16-7.5
    Heerarka kulaylka (25 ℃) W/(MK) 35
    Xooga Dahaarka (5mm Dhumucdiisuna) AC-Kv/Mm 10