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Porous ceramic me ke kiʻekiʻe wela kū'ē, kiʻekiʻe ikaika, maikaʻi kemika paʻa

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Porous ceramic me ke kiʻekiʻe wela kū'ē, kiʻekiʻe ikaika, maikaʻi kemika paʻa

He ʻano ʻano seramika hou, ʻike ʻia hoʻi ʻo ka porous ceramics. He ʻano seramika i puhi ʻia i ka wela kiʻekiʻe ma hope o ka hoʻokumu ʻana, a he nui nā puka pili a pani ʻia paha i loko o ke kino.

ʻO nā mea seramika porous he liʻiliʻi liʻiliʻi liʻiliʻi, ʻāpana kikoʻī nui, haʻahaʻa thermal conductivity o ke ʻano porous ʻokoʻa, me ke kūpaʻa kiʻekiʻe kiʻekiʻe, ikaika kiʻekiʻe, kūpaʻa kemika maikaʻi, etc. meaʻai, lāʻau lapaʻau, biomedicine a me nā māla ʻē aʻe i hoʻohana nui ʻia.

    ʻO nā lako seramika porous no ka kānana a me nā mea hoʻokaʻawale

    ʻO ka mea kānana i hoʻokumu ʻia me ka porous ceramic plate a i ʻole nā ​​​​huahana tubular i loaʻa nā hiʻohiʻona o ka wahi kānana nui a me ka pono kānana kiʻekiʻe. Hoʻohana nui ʻia i ka hoʻomaʻemaʻe wai, ka hoʻokaʻawale ʻana i ka aila a me ka kānana ʻana, ka hopena organik, ka waikawa a me ka hopena alkali, nā wai viscous ʻē aʻe a me ka ea i hoʻopaʻa ʻia, coke umu kinoea, mahu, methane, acetylene a me nā kinoea hoʻokaʻawale ʻē aʻe. No ka mea, ua loaʻa i nā seramika porous nā mea maikaʻi o ke kūpaʻa wela kiʻekiʻe, ke kūpaʻa ʻana, ka pale ʻana i ka corrosion kemika a me ka ikaika mechanical kiʻekiʻe, hōʻike lākou i ko lākou mau pono kūʻokoʻa i ka wai corrosive, wai wela kiʻekiʻe, metala hoʻoheheʻe a pēlā aku.

    ʻO nā lako seramika porous no ka hoʻoheheʻe ʻana i ke kani a me nā mea hoʻohaʻahaʻa leo

    E like me ke ʻano o nā mea kani kani, hoʻohana nui ka porous ceramics i kāna hana diffusion, ʻo ia hoʻi, e hoʻopuehu i ke kaomi ea i hoʻokumu ʻia e nā hawewe kani ma o ka hale porous, i mea e hoʻokō ai i ke kumu o ke kani ʻana. Ma ke ʻano he mea kani kani, pono nā seramika porous i ka puka liʻiliʻi (20-150um), porosity kiʻekiʻe (ʻoi aku ma mua o 60%), a me ka ikaika mechanical kiʻekiʻe. Ua hoʻohana nui ʻia nā seramika porous i nā hale kiʻekiʻe, nā tunnels, nā subways a me nā wahi ʻē aʻe me nā koina pale ahi kiʻekiʻe, nā kikowaena hoʻouna kīwī, nā hale kiʻiʻoniʻoni a me nā wahi ʻē aʻe me nā koi insulation leo kiʻekiʻe.

    Semiconductor vacuum adsorption

    Ma muli o kona mana adsorption maikaʻi a me kāna hana, ʻo ka porous ceramics he mau mea hiki ʻole ke hoʻololi ʻia no ka adsorption vacuum a me ka hoʻololi ʻana o nā wafers silicon i nā kaʻina semiconductor.

    Hoʻohana ʻia nā mea seramika porous no ka ʻike ʻana i nā mea

    ʻO ke kumu hana o ka sensor humidity a me ke kinoea sensor o ka ceramic sensor ʻo ia ke waiho ʻia ka micro-porous ceramic i loko o ke kinoea a i ʻole ka wai wai, hoʻopili ʻia kekahi mau mea i loko o ke ʻano me ke kino porous, a me ka hiki a i ʻole kēia manawa. o ka micro-porous ceramic e hoʻololi e ʻike i ke ʻano o ke kinoea a i ʻole ka wai. Loaʻa i ka sensor seramika nā hiʻohiʻona o ke kūpaʻa wela kiʻekiʻe, ka pale ʻana i ka corrosion, ke kaʻina hana maʻalahi, ka maʻalahi a me ka ʻike pololei, a hiki ke hoʻohana ʻia i nā manawa kūikawā he nui.

    Hoʻohana ʻia nā mea diaphragm e nā mea seramika porous.

    ʻO ka porous ceramic kahi wahi pili nui me ka wai a me ke kinoea, a ʻoi aku ka haʻahaʻa o ka volta pākaukau ma mua o nā mea maʻamau. No laila, ʻo ka hoʻohana ʻana i nā seramika porous i nā mea electrolytic diaphragm hiki ke hōʻemi nui i ka uila uila, hoʻomaikaʻi i ka pono electrolytic, a mālama i ka ikehu uila a me nā mea electrode. Hoʻohana ʻia nā membrane seramika porous i nā kemika kemika, nā wahie a me nā pūnaeho photochemical.

    ʻO nā mea hana seramika porous no nā mea hoʻolaha ea

    Puhi ʻia ke kinoea i loko o ka pauka paʻa ma o nā mea seramika porous, hiki ke hana i ka pauka i kahi ʻano ʻoluʻolu a me ka wai, e hoʻokō i ka hoʻoili wela wikiwiki, ka hoʻololi ʻana i ka wela, e hoʻolalelale i ka hopena, a pale i ka pauka mai ka caking. He kūpono ia no ka lawe ʻana i ka pauka, hoʻomehana, hoʻomaloʻo a me ka hoʻoluʻu, ʻoi aku hoʻi no ka sima, ka lime, nā mea hana alumina pauka a me ka lawe ʻana i ka pauka.

    ʻO nā seramika porous e hoʻokaʻawale i ka wela

    Loaʻa i nā ceramics porous nā mea maikaʻi o ka porosity kiʻekiʻe, haʻahaʻa haʻahaʻa, haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, ke kūpaʻa wela nui, liʻiliʻi liʻiliʻi ka wela wela a ua lilo i mea hoʻomaʻamaʻa maʻamau. Hiki ke hoʻohana ʻia nā mea ʻeleʻele porous kiʻekiʻe e hoʻohana ʻia no ka pūpū mokulele a me ke poʻo missile ... etc.

    ʻO nā mea hana seramika porous no nā noi biomedical

    Hoʻokumu ʻia nā bioceramics porous ma ke kumu o nā bioceramics maʻamau, me ka biocompatibility maikaʻi, nā waiwai paʻa kino a me nā mea kemika a me nā hopena ʻaoʻao ʻole, a ua hoʻohana nui ʻia i ka ʻoihana biomedical. Ua hoʻohana ʻia nā niho a me nā mea kanu ʻē aʻe i hana ʻia me nā seramika porous.

    ʻO nā seramika liʻiliʻi (2 um) FT-A (20 um) FT-B (30 um) FT-C (70um)
    kala kala ʻeleʻele hina hina hina hina hina hina
    pore anawaena(μm) 2 20 30 70
    holo-holo(L/min) 4 ~ 7(ψ28 、-94kPa) ≧20(ψ28 、-94kPa) ≧20(ψ28 、-94kPa) ≧20(ψ28 、-94kPa)
    mānoanoa(g/cm3) 2.1±0.1 2±0.1 1.95±0.1 1.9±0.1
    pale pale ili(Ω/sq) 106~ 109 106~ 109 106~ 109 106~ 109
    noʻonoʻo (%)) 6±1 N/A N/A N/A
    paakiki(HRH) ≧45 ≧40 ≧40 ≧40
    porosity(%) 45 34 34 36.1
    ikaika haki(kgf/mm2) N/A 4.7
    4.7
    4.6
    ʻŌpio modulus(GPa) 35 N/A N/A N/A
    hoʻokaʻawale wela(W/(mK)) 1 N/A N/A N/A
    koena hoonui wela(10-6~/K) 8 2.9 2.9 10-6/K
    @100°C
    10-6/K
    @150°C
    6.7 7.1
    mea maka nui alumina SIC SIC SIC