Kwimveliso yemizi-mveliso, imibhobho ifana “nemibhobho yegazi” ehambisa izinto ezirhabaxa kakhulu njengentsimbi ekrwada, umgubo wamalahle, nodaka. Ngokuhamba kwexesha, iindonga zangaphakathi zemibhobho eqhelekileyo zibhitya ngokulula kwaye zinemingxuma, zifuna ukutshintshwa rhoqo kwaye okunokuthi kuchaphazele imveliso ngenxa yokuvuza. Ngeli xesha, into ebizwa ngokuba yi-"imibhobho ye-silicon carbide ekwaziyo ukunxiba"weza eluncedo. Kwakufana nokubeka “ivesti yokuthintela iimbumbulu” kumbhobho, ibe “yinkosi” yokujongana nokuguga nokukrazuka kwezinto eziphathekayo.
Omnye unokubuza, yintoni i-silicon carbide? Ngapha koko, yimathiriyeli eyenziweyo eyenziwe nge-inorganic kunye nesakhiwo esiqinileyo. Ngokomzekelo, udonga lwangaphakathi lombhobho oqhelekileyo lufana nomgangatho orhabaxa wesamente, yaye njengoko izinto zityhutyha kuwo, zihlala “zikrwempa” umhlaba; Udonga lwangaphakathi lwemibhobho ye-silicon carbide ifana namacwecwe amatye aqinileyo, anokumelana okuphantsi kunye nokunxiba okukhanyayo xa imathiriyeli ihamba. Olu phawu luyenza yomelele ngakumbi ekuxhathiseni ukunxiba kunemibhobho yentsimbi eqhelekileyo kunye nemibhobho yeceramic, kwaye xa isetyenziselwa ukuhambisa izinto ezinxitywayo eziphezulu, ubomi bayo benkonzo bunokwandiswa izihlandlo ezininzi.
Nangona kunjalo, i-silicon carbide ngokwayo i-brittle kwaye inokwaphuka ngokulula xa yenziwe ngokuthe ngqo kwimibhobho. Uninzi lwemibhobho yangoku yesilicon carbide engagugiyo idibanisa imathiriyeli yesilicon carbide kunye nemibhobho yentsimbi - mhlawumbi ngokuncamathisela umaleko wesilicon carbide iithayile zeceramic kudonga lwangaphakathi lombhobho wesinyithi, okanye ngokusebenzisa iinkqubo ezikhethekileyo ukuxuba isilicon carbide umgubo kunye nokuncamathelisa, ukugquma udonga lwangaphakathi lombhobho ukwenza umaleko owomeleleyo ongagugiyo. Ngale ndlela, umbhobho unokomelela kwentsimbi, engakhubazeki ngokulula okanye yophukile, kunye nokumelana nokunxiba kwesilicon carbide, ukulinganisa ukusebenza kunye nokuqina.
Ukongeza kokunganyangeki, imibhobho ye-silicon carbide enganyangekiyo nayo ineengenelo zokuxhathisa ubushushu obuphezulu kunye nokuphantsi kunye nokumelana nokugqwala. Ezinye izixhobo zemizi-mveliso azibi kakhulu kuphela, kodwa zinokuba neempawu ze-asidi okanye i-alkaline. Imibhobho eqhelekileyo igqwethwa ngokulula kukudibana kwexesha elide, ngelixa i-silicon carbide inokumelana okuqinileyo ne-asidi kunye ne-alkali; Nangona ubushushu bezinto ezithuthwayo ziguquguquka, ukusebenza kwayo akuyi kuchaphazeleka kakhulu, kwaye iimeko zesicelo sayo zibanzi ngokukodwa, ukusuka kwimigodi kunye namandla ukuya kumashishini ekhemikhali kunye neensimbi, apho ubukho bayo bunokubonwa.
Kumashishini, ukusebenzisa i-silicon carbide imibhobho ekwazi ukumelana nokunxiba ayithathi indawo yesixhobo esinye kuphela, kodwa ikwanciphisa ukuphindaphindwa kokutshintshwa kombhobho, ithoba iindleko zokugcinwa kwexesha lokuphumla, kwaye inciphisa iingozi zokhuseleko ezibangelwa kukuvuza kwezinto. Nangona utyalo-mali lwayo lokuqala luphezulu kunolo lwemibhobho eqhelekileyo, ekuhambeni kwexesha, eneneni inexabiso elithe kratya.
Kule mihla, ngokunyuka kwemfuno yokuqina kwezixhobo kunye nokhuseleko kwimveliso yemizi-mveliso, ukusetyenziswa kwemibhobho ye-silicon carbide enganyangekiyo iya ixhaphaka ngakumbi. Olu “phuculo lombhobho” lubonakala lungabalulekanga ngokwenene lufihla ubukrelekrele bezinto ezintsha zemveliso, okwenza inkqubo yokuvelisa izinze ngakumbi kwaye isebenze kakuhle – lo ngumbhobho we-silicon carbide ongagugiyo, “ingcaphephe ekwaziyo ukunxiba” igada buthule “imithambo yegazi” yoshishino.
Ixesha lokuposa: Sep-24-2025