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I-ceramic ene-porous enokumelana nokushisa okuphezulu, amandla aphezulu, ukuzinza okuhle kwamakhemikhali

Izinto zokwakha

I-ceramic ene-porous enokumelana nokushisa okuphezulu, amandla aphezulu, ukuzinza okuhle kwamakhemikhali

I-Porous ceramics uhlobo olusha lwe-ceramics, eyaziwa nangokuthi i-porous functional ceramics. Kuwuhlobo lwe-ceramic olushiswa ekushiseni okuphezulu ngemuva kokubunjwa, futhi lunezimbobo eziningi ezixhunyiwe noma ezivaliwe emzimbeni.

Izinto ze-ceramic ezinama-porous zinomthamo omncane wevolumu, indawo enkulu ethize, ukuhanjiswa okushisayo okuphansi kwesakhiwo esiyingqayizivele se-porous, ukumelana nokushisa okuphezulu, amandla aphezulu, ukuzinza okuhle kwamakhemikhali, njll., ekuvikelweni kwemvelo, ukonga amandla, imboni yamakhemikhali, ukuncibilika, ukudla, imithi, i-biomedicine neminye imikhakha isetshenziswe kabanzi.

    Izinto ze-ceramic ezinama-porous zokuhlunga kanye namadivayisi wokuhlukanisa

    Idivayisi yokuhlunga eyakhiwe ngepuleti le-ceramic elinezimbotshana noma imikhiqizo ye-tubular inezici zendawo enkulu yokuhlunga nokusebenza kahle kokuhlunga. Isetshenziswa kakhulu ekuhlanzeni amanzi, ukuhlukaniswa kukawoyela kanye nokuhlunga, isixazululo se-organic, isixazululo se-asidi ne-alkali, olunye uketshezi lwe-viscous nomoya ocindezelwe, igesi ye-coke kuhhavini, umusi, i-methane, i-acetylene nokunye ukuhlukaniswa kwegesi. Ngenxa yokuthi ama-ceramics anezimbotshana anezinzuzo zokumelana nokushisa okuphezulu, ukumelana nokugqoka, ukumelana nokugqwala kwamakhemikhali namandla aphezulu emishini, akhombisa izinzuzo zawo eziyingqayizivele oketshezini olubolayo, uketshezi olushisa kakhulu lokushisa, insimbi encibilikisiwe nokunye.

    Izinto ze-ceramic ezinama-porous zokumunca umsindo kanye namadivayisi okunciphisa umsindo

    Njengohlobo lwezinto ezimunca umsindo, izitsha zobumba ezinezimbotshana zisebenzisa ngokuyinhloko umsebenzi wazo wokusabalalisa, okungukuthi, zihlakaza umfutho womoya obangelwa amaza omsindo ngesakhiwo esinezimbotshana, ukuze kuzuzwe injongo yokumunca umsindo. Njengempahla emunca umsindo, i-ceramics enezimbotshana idinga indawo encane yokuvula (20-150um), i-porosity ephezulu (ngaphezu kuka-60%), namandla aphezulu emishini. I-ceramics enezimbotshana isetshenziswe kakhulu ezakhiweni eziphakeme, imigudu, imigwaqo engaphansi komhlaba nezinye izindawo ezinezidingo zokuvikela umlilo, izikhungo zokudlulisa ithelevishini, amathiyetha ama-movie nezinye izindawo ezinezidingo eziphakeme zokuvala umsindo.

    I-Semiconductor vacuum adsorption

    Ngenxa yomthamo wawo omuhle wokukhangisa kanye nomsebenzi, izitsha zobumba ezinamazinyo ziyizinto ezingenakushintshwa ze-vacuum adsorption kanye nokudluliselwa kwamawafa e-silicon ezinqubweni ze-semiconductor.

    Izinto ze-ceramic ezinama-porous zisetshenziselwa izakhi zokuzwa

    Umgomo wokusebenza kwenzwa yomswakamo kanye nenzwa yegesi yenzwa ye-ceramic ukuthi uma i-ceramic enezimbotshana ezincane ifakwa endaweni yegesi noma uketshezi, ezinye izingxenye eziphakathi nendawo ziyakhangiswa noma zisabela ngomzimba onezimbotshana, kanye namandla noma amanje. ye-ceramic enezimbotshana ezincane izoshintsha ukuze ibone ukwakheka kwegesi noma uketshezi. Inzwa ye-Ceramic inezici zokumelana nokushisa okuphezulu, ukumelana nokugqwala, inqubo yokukhiqiza elula, ukutholwa okubucayi nokunembile, futhi ingasetshenziswa ezikhathini eziningi ezikhethekile.

    Izinto ezibonakalayo ze-diaphragm zamukelwa yi-porous ceramic material.

    I-ceramic ene-porous inendawo enkulu yokuxhumana ne-liquid negesi, futhi i-voltage yebhethri iphansi kakhulu kunezinto ezijwayelekile. Ngakho-ke, ukusetshenziswa kwe-ceramics e-porous ezintweni ze-electrolytic diaphragm kunganciphisa kakhulu amandla ebhethri, kuthuthukise ukusebenza kahle kwe-electrolytic, futhi konge amandla kagesi nezinto ze-electrode. I-Porous Ceramic membranes isetshenziswa kumaseli amakhemikhali, ama-fuel cell kanye namaseli e-photochemical.

    Izinto ze-ceramic ezinama-porous zamadivayisi wokusabalalisa umoya

    Igesi ishaywa ibe impushana eqinile ngokusebenzisa i-ceramic material enezimbotshana, engenza impushana ibe yisimo esixegayo futhi esiwuketshezi, ifinyelele ukudluliswa kokushisa okusheshayo, ukudluliswa kokushisa okufanayo, ukusheshisa izinga lokusabela, futhi kuvimbele impushana ukuba igweme. Ilungele ukuthuthwa kwempushana, ukufudumeza, ukomisa nokupholisa, ikakhulukazi usimende, umcako, abakhiqizi bempushana ye-alumina kanye nokuthuthwa kwempushana.

    Izitsha ze-ceramic ezinama-porous ezivimbela ukushisa

    I-ceramics enezimbotshana inezinzuzo ze-porosity ephezulu, i-low density, i-conductivity ephansi ye-thermal, ukumelana nokushisa okukhulu, umthamo wokushisa wevolumu encane futhi ibe yinto evamile yokugcina ukufudumala. Izinto ezithuthukisiwe ze-ceramic ezinombobo zingahlala zifudumele ukuze zisetshenziselwe igobolondo lemikhumbi-mkhathi kanye nekhanda le-missile ... njll.

    Izinto ze-ceramic ezinama-porous zokusetshenziswa kwe-biomedical

    Ama-bioceramics anezimbotshana athuthukiswa ngesisekelo se-bioceramics yendabuko, ene-biocompatibility enhle, izakhiwo ezinzile ngokomzimba namakhemikhali kanye nemiphumela engemihle engenabuthi, futhi iye yasetshenziswa kabanzi emkhakheni we-biomedical. Izimila zamazinyo nezinye ezenziwe ngezitsha zobumba ezinamazinyo ziye zasetshenziswa emtholampilo.

    Izitsha zobumba ezincane (2 um) I-FT-A (20 um) I-FT-B (30 um) I-FT-C (70um)
    umbala mnyama insimbi grey insimbi grey insimbi grey
    imbobo ububanzi (μm) 2 20 30 70
    ukugeleza (L/min) 4 - 7 (ψ28, -94kPa) ≧20 (ψ28, -94kPa) ≧20 (ψ28, -94kPa) ≧20 (ψ28, -94kPa)
    ukuminyana (g/cm3) 2.1±0.1 2±0.1 1.95±0.1 1.9±0.1
    ukumelana nendawo (Ω/sq) 106~ 109 106~ 109 106~ 109 106~ 109
    reflectivity ((()) 6±1 N/A N/A N/A
    ubulukhuni (HRH) ≧45 ≧40 ≧40 ≧40
    i-porosity ((()) 45 34 34 36.1
    amandla okuphuka (kgf/mm2) N/A 4.7
    4.7
    4.6
    I-Young's modulus (GPa) 35 N/A N/A N/A
    I-thermal conductivity (W/(mK) 1 N/A N/A N/A
    I-thermal expansion coefficient (10-6~/K) 8 2.9 2.9 10-6/K
    @100°C
    10-6/K
    @150°C
    6.7 7.1
    main impahla eluhlaza I-Alumina I-SIC I-SIC I-SIC