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.
Ixesha leposi: Juni-25-2025
