Silicon carbide, wanda aka fi sani da carborundum, yana da tauri kamar lu'u-lu'u kuma yana da matu\u0199ar juriya ga gogewa. Bugu da \u0199ari, halayen seramiki na sa sun sa ya dace da yanayi mai zafin gaske da kuma yanayi mai \u0199arfin lantarki.<\/p>\n
Sakamakon samarwar tsarin Lely yana fitowa a cikin foda wanda za a iya yanke shi ya zama lu'u-lu'u na moissanite don amfani a matsayin lu'u-lu'u, yayin da masana'antun kuma ke amfani da shi wajen kera kayan gogewa da samfuran da ke bu\u0199atar \u0199arfi.<\/p>\n
Silicon carbide (SiC), wanda kuma ake kira carborundum \/krbnm\/, ha\u0257in sinadarai ne mai matu\u0199ar tauri na silicon da carbon wanda ke samuwa a halitta a matsayin ma'adinin moissanite kuma ake kera shi da yawa a matsayin abin gogewa tun \u0199arshen \u0199arni na 19. Ha\u0257a SiC don samar da keramiki mai tauri ko \u0199ara masa nitrogen, phosphorus, beryllium ko aluminum na iya samar da semikonduktor na n-ko p-type.<\/p>\n
Yawanci ana samar da SiC na masana'antu ta hanyar tsarin Acheson, inda ake dumama yashi mai silika tare da tushen carbon kamar koken man fetur zuwa zafin gaske a cikin murhu mai bu\u0257ewa, wanda ke samar da \u0199wayoyi masu launin kore ko ba\u0199i dangane da matakin tsarkinsu.<\/p>\n
An san SiC da ingantacciyar gudanar da zafi da juriya ga tsatsa. Tare da \u0199arancin \u0199imar fa\u0257a\u0257awar zafi, babban rabo tsakanin \u0199arfi da tauri, daidaiton sinadarai da sau\u0199in sarrafawa ta injina, yana zama muhimmin albarkatun \u0199asa a aikace-aikacen masana'antu da dama kamar kayan hana \u0199onewa masu inganci, kayan gogewa da keramiki [16].<\/p>\n
Silicon Carbide (SiC) kayan seramiki ne na fasaha mai kaddarori na musamman ciki har da rashin yin tasiri na sinadarai a kowane zazzabi, juriya ga bugun zafi, da kuma sau\u0199in ha\u0257awa (sinterability). Ana amfani da SiC a fannoni daban-daban na seramiki na fasaha, ciki har da \u0199era kayan cikin murhu da na'urorin sarrafa ruwa, da kuma bearings da sassan da ke saurin lalacewa. \u0198arin amfani da SiC sun ha\u0257a da matattarar \u0199urar diesel da kariyar ballistics. Washington Mills tana ba da injinan mur\u0199usawa, ni\u0199a da rarrabewa wa\u0257anda za su iya samar da kayan albarkatu masu cika \u0199a'idodin ANSI, FEPA da JIS.<\/p>\n
Furfur SiC na iya bambanta a girman \u0199wayoyinsu dangane da yanayin farkonsu da tushen carbon. Wani shahararren tsarin shirya samar da SiC shi ne ta hanyar rage carbon da zafi; wannan yana ha\u0257a amsawar ha\u0257in gwiwa na \u0257aya mole na SiO2 (\u0199asa da mech 200) tare da mol 1.5\u20133 na tushen carbon; amfani da leaching na acid, dumama da amsawar ruwan da aka samu zai hana samar da carbon na gilashi.<\/p>\n
Foda-foda na SiC da aka samar ta hanyar nazarin XRD na yawan adadi ana \u0199ara nazarinsu ta amfani da siffar \u0199wayoyi, tsarin girman \u0199wayoyi da nazarin fadin saman musamman. Muhimman halaye sun ha\u0257a da siffar \u0199wayoyi, tsarin girman \u0199wayoyi da fadin saman musamman. Yawanci \u0199wayoyin SiC suna nuna tsarin lebur mai yankewa-yankewa tare da \u0199ananan tsarin da ke da lahani, wa\u0257anda ake ganin su a matsayin raga-ragan dislocation a kan iyakokinsu \u2013 wani hali marar so wanda zai iya yin illa ga tsarin sintering.<\/p>\n
Silicon carbide na da halaye na musamman da dama da ke ba shi damar amfani a fannoni daban-daban na masana'antu. Musamman, yana da matu\u0199ar tauri, tare da \u0199imar tauri na Mohs 9. Bugu da \u0199ari, wannan kayan ba ya yin tasiri da sinadarai, yana da \u0199arfin juriya ga gogayya, yana iya jure zafi har zuwa manyan zazzabi, kuma yana da \u0199arfi na jan \u0199arfe da \u0199ananan \u0199imar fa\u0257a\u0257awar zafi \u2013 wa\u0257annan dukkanin halayen sun sa silicon carbide ya dace don amfani a masana'antu da dama.<\/p>\n
Hanyoyin samar da silicon carbide suna da matu\u0199ar tasiri kan halayensa da amfaninsa. Edward Goodrich Acheson ya \u0199ir\u0199iri hanyar Acheson, wadda ke ha\u0257a dumama ha\u0257in yashi quartz, koke na man fetur da \u0199ananan yankakken itace zuwa matakan zafi masu matu\u0199ar girma domin haifar da martanin sinadarai da ke samar da kristalan silicon carbide \u2013 wa\u0257annan kristalan za a iya nika su zuwa foda ko a zuba su cikin ingots don siyarwa.<\/p>\n
Ana yawan amfani da wannan foda mai gogewa a masana'antar sararin samaniya da ta motoci wajen gogewa da shafe sassa domin samun daidaitattun girma da kammala mai laushi, yayin da ake amfani da shi a keramiki, kera gilashi da kuma samar da \u0199arfe da sauran \u0199arafa. Kamfanin Alter Technology ya \u0199ir\u0199iri wani kewayen rediyo da wannan kayan wanda zai iya jure mummunan yanayin sararin samaniya.<\/p>\n
Seramiki na silicon carbide kayan nonoxide ne mai fice da aikace-aikace da dama saboda tsaukinsa (tsaukinsa na Mohs > 9), rashin amsawa da sinadarai, \u0199arancin \u0199imar fa\u0257a\u0257a zafi da juriya ga zafi da bugun \u0199arfi. Ana amfani da silicon carbide a matsayin sassa masu juriya ga gogewa a cikin kayan gogewa ko a matsayin sassa masu juriya ga gogewa a cikin seramiki masu juriya ga zafi, da kuma a aikace-aikacen semikonduktor da na lantarki saboda kaddarorin gudanar da zafi.<\/p>\n
Don samar da SiC, masana'antun suna fara ha\u0257a silica mara tsari da carbon a zafin jiki mai yawa \u2013 galibi coke na kwal a matsayin tushen carbon \u2013 kafin su ni\u0199a shi sosai su kuma gauraya shi da \u0199ananan adadin bauxite don samar da preform. Bayan haka, ana yin doping ta hanyar nitrogen (n-type SiC) ko ta hanyar boron, aluminium, da gallium (p-type SiC), gwargwadon aikace-aikacen da ake so.<\/p>\n
Masu kera suna amfani da wannan preform don samar da silicon carbide mai siffar cubic ta hanyar ha\u0257awa ta hanyar amsa sinadarai ko kuma hanyar ajiyar tururin sinadarai. Ha\u0257awa ta hanyar amsa sinadarai ita ce hanyar da aka fi amfani da ita; wannan na ha\u0257awa da dumama shi zuwa digiri Celsius 1410 da \u0199ara masa nitrogen ko boron don samar da SiC na nau'in n. Ajiyar tururin sinadarai na bu\u0199atar kuzari da kayan aiki masu yawa sosai a cikin tsarin sa; ha\u0257awa ta hanyar amsa sinadarai na bu\u0199atar ka\u0257an sosai.<\/p>\n
Foda na SiC mai darajar semikonduktor mai gudanar da wutar lantarki an \u0199era shi ne don biyan bu\u0199atun ha\u0253aka na musamman na hanyoyi daban-daban na ha\u0253aka kristal \u0257aya na silicon carbide mai gudanar da wutar lantarki na nau'in n na \u0199arni na uku. Wannan nau'in foda yana da rarraba girman \u0199wayoyi mafi dacewa tare da \u0199arancin ramuka, yana ba da matakan tsarkin samfur fiye da 6N.<\/p>","protected":false},"excerpt":{"rendered":"
Yadda ake yin foda Silicon Carbide Silicon carbide, wanda aka fi sani da carborundum, yana da tauri kamar lu'u-lu'u kuma yana da matu\u0199ar juriya ga gogewa. Bugu da \u0199ari, halayen seramiki na sa sun sa ya dace da yanayi masu zafin gaske da na wutar lantarki. Hanyar samarwa ta Lely tana haifar da foda wanda za a iya yanka shi zuwa lu'u-lu'u na moissanite don amfani a matsayin lu'u-lu'u, yayin da \u2026 Read more<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-19","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/19","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=19"}],"version-history":[{"count":1,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/19\/revisions"}],"predecessor-version":[{"id":20,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/posts\/19\/revisions\/20"}],"wp:attachment":[{"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/media?parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/categories?post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/siliconcarbidepowders.com\/ha\/wp-json\/wp\/v2\/tags?post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}