iindaba

Umgubo we-aluminium silicate owenziweyo wenziwa ngeenkqubo zeekhemikhali. Umzekelo, indlela ye-sol-gel ibandakanya ukusabela kwiityuwa ze-aluminium (umz., i-aluminium nitrate) kunye nee-precursors ezine-silicon (ezifana ne-tetraethyl orthosilicate) kwisisombululo samanzi. Le mpendulo yenza i-gel, eyomiswa kwaye i-calcined kubushushu obuphezulu (800 - 1200°C) ukuvelisa umgubo ocoliweyo. Ukwenziwa kwe-hydrothermal yenye indlela, apho izinto eziluhlaza zisabela phantsi koxinzelelo oluphezulu kunye nobushushu emanzini, okuvumela ulawulo oluchanekileyo kubungakanani be-particle kunye ne-morphology.

Umgubo we-aluminium silicate ubonisa uzinzo olukhethekileyo lobushushu, kunye nendawo yokunyibilika edlula i-1600°C, okwenza ukuba ifaneleke ukusetyenziswa kubushushu obuphezulu. Ukumelana kwayo okuphezulu kweekhemikhali kuyamelana nokugqwala okuvela kwii-asidi ezininzi kunye ne-alkalis, ngelixa ukuhanjiswa kwayo kobushushu obuphantsi kubonelela ngobushushu obuhle kakhulu. Ubungakanani bamasuntswana omgubo, ukusuka kwi-sub-micrometer ukuya kwi-micrometer ezininzi, buchaphazela ukwenzeka kwawo kunye nokusasazeka kwawo. Iindidi eziguqulweyo zomphezulu, eziphathwe nge-silanes okanye ii-polymers, ziphucula ukuhambelana nezinye izinto.

Kwi-ceramics, isebenza njengesithako esibalulekileyo kwi-porcelain, kwizixhobo zamatye, nakwizinto ezinganyangekiyo, iphucula amandla oomatshini kwaye inciphise ukwanda kobushushu. Umzekelo, kwi-linings ze-oven, izinto ezinganyangekiyo ezisekwe kwi-aluminium silicate zimelana namaqondo obushushu afikelela kwi-1800°C. Kwimveliso yephepha, isebenza njenge-pigment yokugquma, iphucula ukukhanya, ukungabonakali, kunye nokuprintwa. Ishishini lezinto zokuthambisa liyisebenzisa njengesizalisi kwimigubo kunye neekhrimu, libonelela ngombala ogudileyo kunye neempawu zokufunxa ioyile.​

Ekwakhiweni, izixhobo zokwambathisa ezisekelwe kwi-aluminium silicate, ezifana neengubo zefayibha kunye neebhodi, zisetyenziswa kwizakhiwo nakwizakhiwo zoshishino ukunciphisa ukudluliselwa kobushushu. Kwizinto ze-elektroniki, igubungela iisekethe ezidibeneyo ngenxa yokwambathisa kwayo umbane kunye nokukwazi kwayo ukusasaza ubushushu. Ukongeza, umgubo usetyenziswa ekucoceni amanzi ukufunxa iintsimbi ezinzima kunye nongcoliseko lwezinto eziphilayo, usebenzisa indawo yawo enkulu yomphezulu kunye namandla okutshintshiselana kwee-ion.


Ixesha leposi: Juni-25-2025