Ukutyhila i-Silicon Carbide: Isixhobo se "Hard Core" kwiNdawo yoBubushushu obuphezulu

Kwiinkalo ezininzi ezifana nokuveliswa kwemizi-mveliso kunye nophuhliso lwamandla, iindawo zokushisa eziphezulu zihlala ziluvavanyo lokugqibela lokusebenza kwezinto. Phakathi kwezinto ezininzi ezinokumelana nobushushu obuphezulu,i-silicon carbideuye waba "yinkokeli" ekujonganeni nemingeni ephezulu yobushushu obuphezulu ngenxa yokusebenza kwayo okugqwesileyo kokumelana nobushushu, kwaye isetyenziswa ngokubanzi kumashishini abalulekileyo afana ne-aerospace, amandla amatsha, i-metallurgy, njl.
Loluphi uhlobo lwemathiriyeli yesilicon carbide? Ngokusisiseko, yikhompawundi eyenziwe ngamacandelo ekhabhoni kunye ne-silicon, ekhoyo ngendlela yeminerali enqabileyo ebizwa ngokuba yi "moissanite" kwindalo kwaye ihlala ifumaneka ngokudibanisa okwenziweyo kwishishini. Inzuzo ebalaseleyo yolu lwazi kukumelana nobushushu obuphezulu. Nakwimo engqongileyo yobushushu obuphezulu bamawakawaka amaqondo obushushu obuCelsius, inokugcina ubume bomzimba obuzinzileyo kunye neempawu zekhemikhali, kwaye ayisayi kuthamba okanye igqwese njengesinyithi esiqhelekileyo, kwaye ayisayi kusabela ngokulula kwezinye izinto.
Kutheni le nto i-silicon carbide inokumelana nobushushu obuphezulu? Esona sizathu singundoqo silele kwisakhiwo sayo esikhethekileyo sekristale. Iiathom zesilicon carbide zibotshelelwe ngokuqinileyo zizibophelelo eziqinileyo eziqinileyo, zenza ulwakhiwo oluzinzileyo lwenethiwekhi enamacala amathathu, njengokwakha 'inqaba encinci ye-microscopic' eyomeleleyo. Esi sakhiwo senza kube nzima ukonakala kwiqondo lokushisa eliphezulu, kungekhona nje ukukwazi ukumelana nokutshintsha kweqondo lokushisa, kodwa kunye nokumelana ne-oxidation kunye ne-corrosion kumaqondo aphezulu okushisa, ukubonelela ngeziqinisekiso ezithembekileyo zokusebenza ngokuzinzile kwezixhobo kwiindawo ezinzima.

Kwizicelo ezisebenzayo, ukumelana nobushushu obuphezulu be-silicon carbide kudlala indima engenakuthathelwa indawo. Kwintsimi yamandla amatsha, isetyenziselwa ukuvelisa izixhobo ze-semiconductor ezichasene nobushushu obuphezulu, okunceda ukukhuthaza ukusebenza kakuhle kwamashishini afana neenqwelo zamandla amatsha kunye nokuveliswa kwamandla e-photovoltaic; Kwintsimi ye-aerospace, yinto engundoqo ekrwada yokuvelisa amacandelo e-injini kunye ne-spacecraft izinto zokukhusela i-thermal, izixhobo ezincedisayo ukumelana namaqondo okushisa aphezulu awenziwe ngexesha lokuhamba ngesantya esiphezulu; Kwishishini le-metallurgical, izinto ezichasayo ezenziwe nge-silicon carbide zinokumelana nokhukuliseko lobushushu obuphezulu kwiziko kunye nokwandisa ubomi benkonzo yezixhobo.
Ngokuqhubela phambili okuqhubekayo kwetekhnoloji, iimeko zokusetyenziswa kwe-silicon carbide zisakhula. Le nto ibonakala iyinto eqhelekileyo, equlethe "imfuza ekwazi ukumelana nobushushu", ibonelela ngenkxaso kumashishini ahlukeneyo ukuba aphule i-bottleneck yethekhnoloji yobushushu obuphezulu kunye neenzuzo zayo ezizodwa, kwaye ibe yinto ebalulekileyo ekukhuthazeni ukuphuculwa kwezoshishino kunye nokutsha kwezobuchwepheshe. Kwixesha elizayo, kunye nokuphuculwa okuqhubekayo kweemfuno zokusebenza kwezinto, i-silicon carbide iya kukhanya ngokuqinisekileyo kwiindawo eziphezulu eziphezulu kwaye ibhale isahluko esitsha kwizinto ezinokushisa okuphezulu.