ngā purongo

Ka hangaia te paura silicate konumohe hangai mā roto i ngā tukanga matū. Hei tauira, ko te tikanga sol-gel ko te tauhohenga o ngā tote konumohe (hei tauira, te konumohe nitrate) me ngā matū kei roto te silicon (pērā i te tetraethyl orthosilicate) i roto i te wai. Ka hangaia he gel i tēnei tauhohenga, ka whakamarokehia, ka whakakāhia ki ngā pāmahana teitei (800 – 1200°C) hei whakaputa paura angiangi. Ko te hanga hydrothermal tētahi atu huarahi, ka tauhohe ngā rauemi mata i raro i te pēhanga me te pāmahana teitei i roto i te wai, ka taea te whakahaere tika i te rahi me te āhua o te matūriki.

He tino pai te pumau o te paura silicate konumohe ki te pāmahana, me te ira rewa neke atu i te 1600°C, e pai ai mō ngā tono pāmahana teitei. Ko tōna ātete matū teitei ka ātete ki te waikura mai i te nuinga o ngā waikawa me ngā kawakore, ā, ko tōna kawe wera iti ka whakarato i te whakamarumaru pai rawa atu. Ko te rahi o te matūriki o te paura, mai i te iti-micrometer ki te maha micrometer, ka pā ki tōna tauhohenga me tōna marara. Ko ngā momo mata kua whakarerekētia, kua rongoatia ki ngā silane, ki ngā polymer rānei, ka whakarei ake i te hototahitanga ki ētahi atu rauemi.

I roto i ngā uku, he wāhanga matua ia i roto i te porcelain, te kohatu, me ngā mea whakakā, e whakapai ake ana i te kaha miihini me te whakaiti i te whānui o te wera. Hei tauira, i roto i ngā arai oumu, ka tu atu ngā mea whakakā i ahu mai i te silicate konumohe i ngā pāmahana tae atu ki te 1800°C. I roto i te hanga pepa, ka mahi ia hei tae paninga, e whakarei ake ana i te kanapa, te mārama, me te āheinga tā. Ka whakamahia e te umanga whakapaipai hei whakakī i roto i ngā paura me ngā kirīmi, e whakarato ana i te kakano maeneene me ngā āhuatanga mimiti hinu.

I roto i te hanganga, ka whakamahia ngā rauemi whakamarumaru konumohe silicate, pērā i ngā paraikete muka me ngā papa, i roto i ngā whare me ngā whare ahumahi hei whakaiti i te whakawhiti wera. I roto i ngā hikohiko, ka kapi i ngā ara iahiko whakauru nā tōna kaha whakamarumaru hiko me te tohatoha wera. Hei tāpiri, ka whakamahia te paura i roto i te maimoatanga wai hei mimiti i ngā konganuku taumaha me ngā poke rauropi, ka whakamahi i tōna horahanga mata nui me te kaha whakawhiti katote.


Wā tuku: Pipiri-25-2025