Ana sarrafa silikon karbai\u0257 mai ba\u0199i bisa takamaiman \u0199ayyadaddun bayanai. Tsananin kulawa kan matakai da siffar \u0199wayoyi yana tabbatar da ingantaccen kammalawa a kowane lokaci. Ana samun foda silikon karbai\u0257 a cikin girman \u0199wayoyin gogewa daban-daban da kuma a cikin kima na fam biyar, goma, ko ashirin da biyar. Ana iya yin odar manyan adadi idan an nema. Ana amfani da shi sosai wajen fashewar matsa lamba. Ci gaba da karantawa don \u0199arin bayani. Hakanan za ka iya \u0199arin koyo game da halaye da hanyoyin ha\u0253aka foda silikon karbai\u0257.<\/p>\n
Rarraba girman \u0199urar silicon carbide<\/p>\n
Wannan takarda ta bayar da rahoton rarraba girman foda silicon carbide. An samar da wannan kayan ta hanyar ni\u0199a ta hanyar gogayya (attrition milling). Girman \u0199wayoyin kayan da aka sarrafa a \u0199arshe ya kasance 37 nm. Daga nan, an yi sintering ba tare da matsin lamba ba ta hanyar \u0199ara carbon da boron carbide a zafin jiki na 2050 \u00b0C. An tantance rarraba girman \u0199wayoyin ta amfani da na'urar duba \u0199wayoyin lantarki mai watsawa (transmission electron microscope, TEM).<\/p>\n
Yadda girman barbashin SiC ke rarrabewa yana shafar hanyoyi daban-daban na sarrafawa, ciki har da girman kristal da sublimation. Girman d10 da d90 na wannan kayan suna da muhimmanci saboda su ne ke tantance fuskar girma, mafi girman cunkoson marufi, da kwanciyar zafi. Duk da haka, barbashin silicon carbide na da babban matsakaicin diamita na barbashi da \u0199aramin d90, don haka d10 \u0257insa ma \u0199asa yake.<\/p>\n
Sakamakon da ke sama ya nuna cewa ha\u0257in foda silicon carbide masu girma-girma daban-daban na iya \u0199ara yawan na'urar da aka buga. A cikin binciken da aka yi a baya, an shirya kayan foda gauraye ta hanyar gwaji da kuskure. A wannan binciken, an yi amfani da hanyoyin gwaji da samfurin kwamfuta don shirya kayan foda gauraye. An shirya foda mai siffofi biyu ta hanyar ha\u0257a girma biyu daban-daban na foda silicon carbide. An auna \u0199imar cunkoson foda ta tura, sannan an buga faranti na silicon carbide ta amfani da wannan gaurayawar foda mai siffofi biyu.<\/p>\n
Kwatarin yadda girman barbashin SiC da aka samo ta hanyar BET da SEM ya tabbatar cewa \u0199imomin SSA a cikin wa\u0257annan samfuran suna cikin iyakokin da za a iya kar\u0253a. An gano cewa SSA na wa\u0257annan \u0199urar b-SiC masu tsarkin gaske guda biyu sun kasance daidaitattu a cikin iyakar 25\/75. Bugu da \u0199ari, sun yi daidai sosai da \u0199imomin SSA da aka \u0199ididdige: 48 m2\/g don ha\u0257in 25\/75 da 33.9 m2\/g don ha\u0257in 75\/25.<\/p>\n
Yayin da foda SIKA ta nuna girman \u0199wayoyi iri \u0257aya, samfurin FAU ya nuna rarrabuwar girma daban-daban. A gefe guda, foda FAU ta nuna tsari na musamman na \u0199wayoyi \u0199anana, masu kumbura, da manya. Wa\u0257annan \u0199wayoyin manya sun fi na \u0199anana yawa a cunkoso. Wannan bambancin cunkoso ya samo asali ne daga bambancin yawan foda a cikin marufi. Duk da haka, kayan tushen SIKA sun yi amfani da yawan foda mafi girma fiye da na baya.<\/p>\n
Rarraba girman \u0199urar silicon carbide suna da bambance-bambance da dama. Farin SIKA yana nuna sauyin siffa mai laushi fiye da na baya. Duk da haka, farin SIKA yana da \u0199arfi wajen jure bugun zafi kuma yana iya daidaitawa da fuskar girman sama. Ana danganta wannan bambanci ne ga rashin kariyar \u0199urar carbon tsakanin iri da foda tushen. Amma wa\u0257annan bambance-bambancen ba su samo asali ne daga amfani da farin SIKA ka\u0257ai ba; \u0199ananan gyare-gyare a \u0199irar yankin zafi na iya hana wannan lamari.<\/p>\n
Halayen foda na silicon carbide<\/p>\n
Halayen foda silicon carbide ana kayyade su ne ta hanyar sinadaran da ke cikinsu, tsarin polycrystalline, da hanyar samarwa. Kristal \u0257aya na silicon carbide yana da siffar alpha a sinadari da \u0199arfi. Akwai nau'uka da dama na silicon carbide. Kowanne nau'i na da halaye na musamman, amma dukkansu ana \u0257aukar su a matsayin abubuwan gogewa. Wasu misalan foda silicon carbide sun ha\u0257a da:<\/p>\n
Tsarin kayan na silinda ne, tare da layuka na a-SiC da b-SiC a waje. Wannan kayan ana kiransa silicon carbide kore ko silicon carbide baki, kuma ana samunsa a nau'uka da dama, daga foda har zuwa ingots. Kowane nau'i na silicon carbide ana sarrafa shi don aikinsa kuma ana iya mur\u0199ushe shi domin samun halayen da ake so. Saboda ha\u0257uwar halayen jiki da na sinadarai, silicon carbide ya zama kayan da ya dace a yi amfani da shi a fannoni daban-daban na zazzabi mai girma da juriya ga gogayya.<\/p>\n
Kristalolin SiC sun \u0199unshi nau'ikan polymorphs guda uku daban-daban. Silikon karbaiyd na alpha yana samuwa a zafin jiki mafi girma fiye da na beta, tare da tsarin kristal mai siffar hexagonal wanda ya yi kama da Wurtzite. A gefe guda, silikon karbaiyd na beta yana da tsarin kristal mafi \u0199arfi kuma yana kama da lu'u-lu'u. Duk nau'ikan suna da amfani a masana'antu, amma silikon karbaiyd na alpha yana da \u0199arancin aikace-aikacen kasuwanci. Ana amfani da silikon karbaiyd na beta musamman don tallafin katalis.<\/p>\n
Silicon carbide kayan gogewa ne mai amfani a fannoni da dama a masana'antu daban-daban. Saboda taurin sa, ya zama kayan aiki mai kyau wajen aikin gogewa. Hakanan yana iya jure zafin jiki mai yawa, kuma ana amfani da shi a faranti na seramiki na motoci masu daraja, rigunan kariya daga harsashi, da hatimin sandar famfo. Silicon carbide kuma yana da kyakkyawar gudanarwar zafi, wanda ya sa ya dace a yi amfani da shi a cikin kayan wuta masu jure zafi. Haka kuma, farashin silicon carbide ya bambanta gwargwadon aikace-aikacen sa.<\/p>\n
Karbayid na siliki kore ma yana da amfani ga semikonduktor. Juriyarsa ga \u0199arfin lantarki ta fi ta siliki na al'ada sau goma. Wannan ya sa ya fi gallium nitride kyau a tsarin da ke sama da 1000V. Saboda haka, karbayid na siliki yana da matu\u0199ar daraja a motocin lantarki, na'urorin juyar wutar rana, da tsarin na'urorin gano abubuwa. Idan kuna sha'awar ha\u0253aka sabon samfur ko nemo sabon kasuwa ga tsohon samfur, seramics na silicon carbide na iya zama mafita mafi dacewa, kuma farashin silicon carbide yana da rahusa tare da inganci mai kyau.<\/p>\n
Na'urar XRD spectrograph tana ba da damar nazarin tsarin \u0199wayoyin zarra na foda silicon carbide, tana ba da damar duba tsari da sinadaran samfur a kusa. \u0198udurin spectral na na'urar shi ne 1 cm\u207b\u00b9, wanda ke ba da damar yin aunawa ko da a yanayin zafi mai \u0199asa. Ana amfani da tsayin ra\u0257a\u0257\u0257en haske daban-daban don siginar luminescence da Raman, don haka yana da muhimmanci a raba su. Bugu da \u0199ari, wannan hanyar na iya gano bambance-bambancen halayen samfuran daban-daban.<\/p>","protected":false},"excerpt":{"rendered":"
Ana sarrafa silikon karbai\u0257 mai ba\u0199i bisa takamaiman \u0199ayyadaddun bayanai. Tsananin kulawa kan matakai da siffar \u0199wayoyi yana tabbatar da kammala aiki mai daidaito. Ana samun foda silikon karbai\u0257 a cikin girman \u0199wayoyin gogewa daban-daban da kuma a cikin \u0199ima na fam biyar, goma, ko ashirin da biyar. Ana iya yin odar manyan adadi idan an nema. Ana amfani da shi sosai wajen fashewar matsa lamba. Ci gaba da karantawa don \u0199arin bayani. \u2026 Read more<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":4,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":10,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/6\/revisions\/10"}],"wp:attachment":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}