Ngaphandle kwe-1000 ℃ i-kiln, kwinkqubo yokukhusela i-desulfurization ye-industrial, kwaye ngaphakathi kwezixhobo ezichanekileyo ze-optical, kuhlala kukho izinto ezithe cwaka ezimelana novavanyo lwamaqondo okushisa aphezulu - oko.i-silicon carbide ceramicseyaziwa ngokuba yi "industrial black gold". Njengezinto ezibalulekileyo kwintsimi yezoshishino zanamhlanje, iipropati ze-thermal eziboniswe yi-silicon carbide ceramics zichaza ngokutsha ukuqonda komntu kwizinto zokushisa eziphezulu.
1, 'Indlela ekhawulezayo' yokuqhuba ubushushu
Iiseramics ze-silicon carbide zine-thermal conductivity enokuthelekiswa nesinyithi, kunye ne-thermal conductivity ngokuphindwe kaninzi kunezinto eziqhelekileyo ze-ceramic. Oku kuhanjiswa kwe-thermal kukhethekileyo kubangelwe kwii-athom ze-silicon zekhabhoni ezicwangciswe ngokuqinileyo kwisakhiwo sekristale, ezenza amajelo okuqhuba ubushushu asebenzayo. Xa ubushushu buthunyelwa ngaphakathi kwizinto eziphathekayo, kufana nesithuthi esiqhuba uhola wendlela ongenakunqandwa, onokukhawuleza kunye nokusabalalisa ubushushu, ukuphepha ubungozi bokhuseleko obubangelwa ukushisa kwendawo.
2, Ubomi obude kwiindawo zobushushu obuphezulu
Kubushushu obuphezulu obuphezulu be-1350 ℃, uninzi lwezixhobo zetsimbi sele zithambe kwaye zonakele, ngelixa i-silicon carbide ceramics isenokugcina ingqibelelo yesakhiwo. Oku kuxhathisa ubushushu obuphezulu buvela kuqhina olomeleleyo lwe-covalent ngaphakathi kwemathiriyeli, njengokwakha inqaba encinci engenakonakala. Eyona nto inqabileyo kukuba kwiindawo ezinobushushu obuphezulu be-oxidation, i-silica exineneyo yokukhusela ifom phezu kwayo, yenza "ikhuselo lokukhusela" lendalo.
3, 'UKumkani woNyamezelo' weMfazwe yoNyamezelo oluPhakamileyo
Kugqatso lomdyarho oluzinzileyo lobushushu obuphezulu, izixhobo ezininzi zifumana ukuthotywa kokusebenza ngenxa yokufudumeza ixesha elide, ngelixa iiseramics ze-silicon carbide ezisabelayo zibonisa ukomelela okumangalisayo. Imfihlelo ilele kuyilo olukhethekileyo lomda wengqolowa - i-network-dimensional network structure eyenziwe ngetekhnoloji ye-reaction sintering, efana nokudibanisa izigidi ze-micro "anchor points" kwizinto eziphathekayo. Kwanasemva kwamawakawaka eeyure zokubhaka okunobushushu obuphezulu, isenokutshixa uzinzo lwe-microstructure. Olu phawu lwenza kube lolona khetho lulungileyo lokutshintsha izinto zentsimbi zemveli kwiimeko ezifana neerola eziqhubekayo zokuphosa kwishishini lesinyithi kunye namacandelo aphezulu obushushu obunomthwalo kwizixhobo zekhemikhali. Itolika ukuba "ubushushu obuphezulu abupheli" kuthetha ntoni "ngamandla anzima".
Xa isixhobo sakho sifuna ukucela umngeni kwimilinganiselo yobushushu, iiseramikhi ze-silicon carbide ze-reaction sintered inokuba 'sisilawuli sobushushu' esithenjiweyo. Njengengcali kwishishini elikhethekileyo kwitekhnoloji yokusabela,Shandong Zhongpengisebenzisa iitekhnoloji ezahlukeneyo ezinelungelo elilodwa lomenzi wechiza ukomeleza amandla oomatshini kunye nokusetyenzwa kwemathiriyeli ngelixa igcina iimpawu ezibalaseleyo zobushushu. Le nkqubela phambili yetekhnoloji ayinciphisi kuphela iindleko zemveliso, kodwa ikwabonisa amathuba abanzi okusebenza kwe-silicon carbide ceramics kwiinkalo zoshishino ezivelayo.
Ixesha lokuposa: May-16-2025