labarai

Ana ƙera foda silicate na aluminum ta hanyar amfani da sinadarai. Misali, hanyar sol-gel, ta ƙunshi yin maganin gishirin aluminum (misali, aluminum nitrate) tare da silicon - mai ɗauke da abubuwan da suka riga suka fara aiki (kamar tetraethyl orthosilicate) a cikin ruwan magani. Wannan amsawar tana samar da gel, wanda daga nan ake busar da shi kuma a narkar da shi a yanayin zafi mai yawa (800 - 1200°C) don samar da foda mai laushi. Haɗin hydrothermal wata hanya ce, inda kayan aiki ke amsawa a ƙarƙashin matsin lamba da zafin jiki mai yawa a cikin ruwa, wanda ke ba da damar sarrafa girman ƙwayoyin cuta da yanayin halittarsu.

Foda silicate na aluminum yana nuna kwanciyar hankali na zafi mai kyau, tare da wurin narkewa sama da 1600°C, wanda hakan ya sa ya dace da aikace-aikacen zafin jiki mai yawa. Babban juriyarsa ga sinadarai yana tsayayya da tsatsa daga yawancin acid da alkalis, yayin da ƙarancin watsawar zafi yana ba da kyakkyawan rufi. Girman barbashi na foda, daga ƙaramin micrometer zuwa micrometers da yawa, yana shafar amsawarsa da warwatsewarsa. Zane-zanen saman - waɗanda aka gyara, waɗanda aka yi wa magani da silanes ko polymers, suna haɓaka dacewa da sauran kayan.

A cikin yumbu, yana aiki a matsayin muhimmin sinadari a cikin faranti, kayan dutse, da kuma abubuwan da ke hana ruwa shiga, yana inganta ƙarfin injina da rage faɗaɗa zafi. Misali, a cikin rufin murhu, masu hana ruwa shiga na aluminum silicate suna jure yanayin zafi har zuwa 1800°C. A cikin kera takarda, yana aiki azaman launin rufi, yana ƙara haske, rashin haske, da sauƙin bugawa. Masana'antar kayan kwalliya tana amfani da shi azaman cika foda da mayuka, yana samar da laushin laushi da kuma abubuwan sha mai.

A fannin gini, ana amfani da kayan rufin aluminum silicate, kamar barguna da allunan fiber, a gine-gine da wuraren masana'antu don rage canja wurin zafi. A fannin lantarki, yana ƙunshe da da'irori masu haɗawa saboda ƙarfin rufin lantarki da kuma watsar da zafi. Bugu da ƙari, ana amfani da foda a cikin maganin ruwa don shanye ƙarfe masu nauyi da gurɓatattun abubuwa na halitta, yana amfani da babban yankin saman sa da ƙarfin musayar ion.


Lokacin Saƙo: Yuni-25-2025