A cikin karni na 21st, tare da ci gaban kimiyya da fasaha, bayanai, makamashi, kayan aiki, nazarin halittu injiniya ya zama ginshiƙai huɗu na ci gaban zamantakewar yau da kullum, silicon carbide saboda barga sinadaran Properties, high thermal watsin, thermal fadada coefficient na kananan, ƙananan yawa, mai kyau lalacewa juriya, high taurin, high inji ƙarfi, sinadaran juriya da sauran halaye, m ci gaba a fagen kayan, Yadu amfani da yumbu ball bearings, bawuloli, Semiconductor kayan, gyro, auna kayan aiki, Aerospace da sauran filayen.
Silicon carbide yumbura an haɓaka tun shekarun 1960. A baya can, silicon carbide aka yafi amfani a inji nika kayan da refractories. Kasashe a duk duniya suna ba da muhimmanci sosai ga masana'antu na ci-gaba na yumbu, kuma a yanzu ba kawai gamsuwa da shirye-shiryen tukwane na silicon carbide na gargajiya ba, samar da manyan masana'antun keramics na ci gaba cikin sauri, musamman a kasashen da suka ci gaba. A cikin 'yan shekarun nan, yumbura mai nau'i-nau'i da yawa dangane da yumbu na SIC sun bayyana daya bayan daya, inganta ƙarfi da ƙarfin kayan monomer. Silicon carbide babban fage huɗu na aikace-aikacen, wato, yumbu mai aiki, kayan haɓakawa na ci gaba, abrasives da albarkatun ƙarfe.
Silicon carbide yumbura suna da kyakkyawan juriya na lalacewa
Silicon carbide yumbura an yi nazari kuma an ƙaddara wannan samfurin. Juriya na yumbu na silicon carbide wannan samfurin yayi daidai da sau 266 na ƙarfe na manganese, daidai da sau 1741 na babban simintin ƙarfe na chromium. Juriya na lalacewa yana da kyau sosai. Har yanzu yana iya ceton mu kuɗi masu yawa. Silicon carbide yumbu za a iya amfani da ci gaba fiye da shekaru goma.
Silicon carbide yumbura suna da ƙarfi mai ƙarfi, babban tauri da nauyi mai sauƙi
A matsayin sabon nau'in kayan aiki, yin amfani da yumbu na siliki carbide wannan ƙarfin samfurin yana da girma sosai, tsayin daka, nauyi kuma yana da haske sosai, irin wannan kayan aikin siliki carbide da ake amfani da su, shigarwa da maye gurbin na sama zai zama mafi dacewa.
bangon ciki na siliki carbide yumbu mai santsi kuma baya toshe foda
Silicon carbide ceramics wannan samfurin yana ƙonewa bayan babban zafin jiki, don haka tsarin siliki carbide yumbura yana da ɗanɗano mai yawa, saman yana da santsi, kyawun amfani zai fi kyau, don haka amfani da shi a cikin dangi, kyakkyawa zai fi kyau.
Farashin yumburan siliki carbide yayi ƙasa da ƙasa
Farashin masana'anta siliki carbide tukwane da kanta ba ta da ƙarancin ƙima, don haka ba ma buƙatar siyan farashin siliki carbide yumbura da yawa, don haka ga danginmu, amma kuma yana iya adana kuɗi mai yawa.
Aikace-aikacen yumbu na Silicon carbide:
Silicon carbide yumbu ball
Silicon carbide yumbu ball yana da kyawawan kaddarorin inji, kyakkyawan juriya na iskar shaka, juriya mai girma da ƙarancin juzu'i. Silicon carbide yumbu ball high zafin jiki ƙarfi, talakawa yumbu abu a 1200 ~ 1400 digiri Celsius ƙarfi za a rage muhimmanci, da kuma silicon carbide a 1400 digiri Celsius lankwasawa ƙarfi har yanzu kiyaye a wani matakin mafi girma na 500 ~ 600MPa, don haka ta aiki zazzabi iya isa. 1600 ~ 1700 digiri Celsius.
Silicon carbide hadadden abu
Silicon carbide matrix composites (SiC-CMC) an yi amfani da su sosai a fagen sararin samaniya don yanayin yanayin zafi mai zafi saboda tsananin ƙarfinsu, ƙarfin ƙarfi da kyakkyawan juriya na iskar shaka. Tsarin shirye-shiryen SiC-CMC ya haɗa da preforming fiber, babban maganin zafin jiki, murfin mesophase, densification matrix da bayan jiyya. Ƙarfin fiber na carbon fiber yana da ƙarfi mai ƙarfi da ƙarfi mai kyau, kuma jikin da aka riga aka yi da shi yana da kyawawan kaddarorin inji.
Mesophase shafi (wato, fasahar ke dubawa) shine mabuɗin fasaha a cikin tsarin shirye-shiryen, shirye-shiryen hanyoyin suturar mesophase sun haɗa da tururi osmosis na sinadarai (CVI), haɓakar tururi (CVD), hanyar sol-sol (Sol-gcl), polymer polymer. Hanyar fashewar impregnation (PLP), mafi dacewa don shirye-shiryen kayan aikin silicon carbide matrix composites sune hanyar CVI da hanyar PIP.
Interfacial shafi kayan sun hada da pyrolytic carbon, boron nitride da boron carbide, daga cikinsu boron carbide a matsayin wani nau'i na hadawan abu da iskar shaka juriya interfacial shafi da aka biya fiye da hankali. SiC-CMC, wanda yawanci ana amfani da shi a cikin yanayin iskar shaka na dogon lokaci, kuma yana buƙatar sha magani juriya na iskar shaka, wato, Layer na silicon carbide mai kauri tare da kauri na kusan 100μm ana ajiye shi a saman samfurin ta hanyar CVD. don inganta yanayin juriya na iskar shaka.
Lokacin aikawa: Fabrairu-14-2023