Izisombululo zeCrucible: Ubuchwephesha obuPhambili kwiSayensi yeMpahla kunye nosetyenziso lwezoShishino

Izikhongozeli zizikhongozeli ezingundoqo ezisetyenziswa-kwiqondo eliphezulu lokunyibilika, ukuhlanganiswa kweekhemikhali, kunye neenkqubo zokulungisa imathiriyeli. Ukusebenza kwabo kuchaphazela ngokuthe ngqo umgangatho wemveliso kunye nokusebenza kakuhle kwemveliso. Ngokunyuka kweemfuno zeenkqubo zobushushu obuphezulu-kushishino lwangoku, ukongeza izisombululo ezinqamlezayo kube sisihloko esibalulekileyo kwinzululwazi yemathiriyeli.

Izikhonkwane zesintu ubukhulu becala zenziwe ngegraphite, iquartz, okanye iiseramikhi, kodwa ezi zinezithintelo-zozinzo lobushushu obuphezulu, ukuxhathisa ukubola, kunye nobomi benkonzo. Uphuhliso lwakutsha nje kwizinto zokusebenza eziphezulu{2}}ezinje ngesilicon carbide (SiC), i-zirconium oxide (ZrO₂), kunye neeseramikhi ezihlanganisiweyo ziphucule kakhulu ukuqina kwecrucible. Umzekelo, ii-silicon carbide crucibles zigcina uzinzo kumaqondo obushushu angaphezu kwe-1600, zibenza zilungele ukunyibilika kwesinyithi kunye nokulungiswa kwezinto ze-semiconductor. I-Zirconia crucibles, nangona kunjalo, lolona khetho lukhethwayo lovavanyo oluchanekileyo lokunyibilika kwiilabhoratri ngenxa yokumelana nokutshatyalaliswa kwe-thermal kunye nokungangeni kweekhemikhali.

Izisombululo ze-Crucible kufuneka ziyilwe kunye nokusebenza kwengqondo kwiimeko ezahlukeneyo zokusebenza. Ngokomzekelo, kwishishini le-metallurgical, ii-crucibles zifuna iingubo ezikhethekileyo zokunciphisa ukungena kwentsimbi etyhidiweyo. Kwishishini le-photovoltaic, ii-crucibles ze-polysilicon ingot casting zifuna izinto eziphezulu{2} zokucoceka ukunqanda ukungcoliswa kokungcola. Ngaphaya koko, ukwaziswa koyilo lwemodyuli kunye{4}notshintsho olukhawulezayo lweenkqubo kunciphisa ngakumbi ixesha lokuphumla kunye nokugcinwa kweendleko kwimveliso yefektri.

Kwixesha elizayo, uphuhliso lweteknoloji ye-crucible luya kugxila kuphuhliso oluhlakaniphile kunye nohlaza. Ngokudibanisa izivamvo zobushushu kunye neenkqubo zokujongwa ezilandulayo, ingxelo{1}}yexesha lokwenyani inokwandisa inkqubo yokunyibilika. Ngaphaya koko, uphuhliso lwezixhobo zokumelana nokusingqongileyo luya kunciphisa ukukhutshwa kwenkunkuma kwimizi-mveliso. Ngokudibanisa iinguqulelo ezintsha kwisayensi yezinto, i-thermodynamics, kunye neenkqubo zokuvelisa, izisombululo ze-crucible ziya kuqhubeka nokubonelela ngenkxaso esebenzayo kunye nethembekileyo kushishino lobushushu obuphezulu{4}.