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I-Wollastonite powder iye yaba sisongezelelo esibalulekileyo kwi-ceramics zokufakelwa kombane, ibonelela ngokuphucula ukusebenza okubalulekileyo kwizixhobo ze-voltage eziphezulu ezifana nee-transformers, ii-circuit breakers, kunye ne-insulator bushings. Indibaniselwano yayo eyahlukileyo yobunyulu obuphezulu, ukulahleka kwe-dielectric ephantsi, kunye nokuzinza kobushushu kwenza ukuba ilungele ukusetyenziswa okufuna ukufakelwa kombane okuthembekileyo kunye nokuchithwa kobushushu.​

Amandla e-Dielectric – intsimi yombane ephezulu enokumelana nayo ngaphandle kokuqhekeka iphucuka kakhulu kwiiseramikhi eziqulethe umgubo we-wollastonite. Njengoko amanqanaba obumsulwa edla ngokudlula i-95% ye-CaSiO3 kunye noxinzelelo oluphantsi lokungcola okuqhubayo (njengesinyithi kunye nesodium), i-wollastonite inceda ukugcina ukumelana okuphezulu kobushushu nokuba kwiivolthi ezingaphezulu kwe-10kV. Xa isasazwa ngokulinganayo kwiimatrices zeseramikhi (idla ngokudityaniswa ne-alumina okanye i-magnesia), amasuntswana ayo e-acicular enza indlela egosogoso yombane, ethintela i-arcing kwaye iqinisekisa ukusebenza okuzinzileyo kwiindawo ezine-voltage ephezulu. Oku kwenza iiseramikhi eziphuculweyo ze-wollastonite zilungele ukusetyenziswa okubalulekileyo apho ukusilela kobushushu kunokukhokelela kumonakalo wezixhobo okanye kwiingozi zokhuseleko.​
Ukunciphisa ukubola kwe-porosity yenye inzuzo ephambili ye-wollastonite powder kwi-ceramics zombane. Ngexesha lokusila, ubungakanani bayo obuncinci be-particle (5-20 microns) buzalisa izithuba phakathi kwamasuntswana amakhulu e-ceramic, bukhuthaza uxinano kunye nokunciphisa i-voids. Olu lwakhiwo oluxineneyo aluphuculi nje kuphela amandla oomatshini (lunciphisa ukuphuka ngexesha lokuphathwa nokusebenza) kodwa lukwathintela ukufuma kunye nokungena kwegesi - izinto ezinokonakalisa iipropati zokukhusela ngokuhamba kwexesha. Kwi-insulators zangaphandle ezivezwe emvuleni, kumswakama, nakungcoliseko, olu buthathaka lubalulekile ekugcineni ukusebenza kwe-dielectric ixesha elide.​
Ukuqhuba kobushushu kuyaphuculwa kwiiceramics eziqulethe i-wollastonite, nto leyo ejongene nomngeni obalulekileyo kwiinxalenye ze-high-voltage ezivelisa ubushushu obukhulu ngexesha lokusebenza. Ngokuqhuba kobushushu obumalunga ne-3 W/m·K (ngaphezulu kunezinye izizalisi ze-ceramic zemveli), i-wollastonite iphucula ukudluliselwa kobushushu kude nezinto eziqhubayo, inceda ukugcina amaqondo obushushu asebenzayo azinzileyo. Olu buchule bokulawula ubushushu bandisa ubomi benxalenye ngokuthintela ukonakala kobushushu obubangelwa kubushushu, ngakumbi kwiitransformers nakwizixhobo zokusasaza umbane apho ukugqithisa kunokubangela ukungaphumeleli okukhulu.​
Uzinzo lobushushu obuphezulu luqinisekisa ukuba iiceramics eziphuculweyo ze-wollastonite zisebenza ngokuthembekileyo phantsi komjikelo wobushushu. Le minerali igcina isakhiwo sayo kunye neempawu zayo kumaqondo obushushu afikelela kwi-1500°C, imelana namaqondo obushushu aphezulu afunyanwa ngexesha lokwenziwa (ukutshiza) kunye nokusebenza. Olu zinzo luthintela utshintsho lwesigaba okanye ukungafani kokwanda kobushushu okunokubangela uxinzelelo lwangaphakathi okanye iintanda, ukuqinisekisa ukuthembeka kobukhulu kunye nokusebenza okuzinzileyo kuwo onke amaqondo obushushu.​
Iingenelo zokucubungula zenza kube lula ukufaka i-wollastonite powder kwi-ceramic formulations. Iphucula amandla aluhlaza (amandla e-ceramics angatshiswanga), inciphisa ukuqhekeka ngexesha lokubumba nokuphatha. Ukufunxwa kwayo okuncinci komswakama kwenza kube lula iinkqubo zokumisa, ngelixa ukuhambelana kwayo ne-ceramic binders eziqhelekileyo kuqinisekisa ukuxuba okufanayo kunye nokwakha. Kwiimilo ezintsonkothileyo ezifana neediski ze-insulator okanye iibhloko zesiphelo, iipropati zokuhamba kwe-wollastonite ngexesha lokubumba zinceda ukugcina ukuchaneka kobukhulu, kunciphisa iimfuno zokucubungula emva kokucubungula.​
Ulawulo lomgangatho lubaluleke kakhulu kwi-wollastonite powder yomgangatho wombane. Ababoneleli bayivavanya ngokungqongqo amandla e-dielectric, ukusasazwa kobungakanani bamasuntswana, kunye namanqanaba okungcola, ukuqinisekisa ukuthotyelwa kwemigangatho yoshishino efana ne-IEC (International Electrotechnical Commission). Unyango lomphezulu ngee-coupling agents lunokusetyenziselwa ukuphucula ukubopha ngee-ceramic matrices, ukuphucula ngakumbi iimpawu zoomatshini nezombane.​


Ixesha lokuthumela: Agasti-13-2025