Saboda kyawawan kaddarorin sa na zahiri, an yi amfani da silikon carbide da aka yi amfani da shi sosai azaman babban sinadari. Matsayinsa na aikace-aikacen yana da bangarori uku: don samar da abrasives; Ana amfani da shi don samar da juriya dumama aka gyara - silicon molybdenum sanda, silicon carbon tube, da dai sauransu.; Don ƙirƙirar samfuran refractory. A matsayin kayan haɓakawa na musamman, ana amfani da shi a cikin ƙarfe da ƙarfe mai narkewa kamar tanderun ƙarfe na ƙarfe, cupola da sauran sarrafa hatimi, lalata, lalacewa ga matsayi mai ƙarfi na samfuran hana wuta; A cikin ƙananan ƙarfe (zinc, aluminum, jan karfe) masu smelters don narkewar wutar makera, bututun isar da narkakken ƙarfe, na'urar tacewa, tukunyar matsa, da sauransu; Da fasahar sararin samaniya a matsayin bututun wutsiya na injuna, ci gaba da babban zafin jiki na injin turbine; A cikin silicate masana'antu, da yawa a matsayin iri-iri na masana'antu kiln zubar, akwatin juriya irin cajin wutar lantarki, saggar; A cikin masana'antar sinadarai, ana amfani da shi azaman samar da iskar gas, ɗanyen mai carburetor, tanderun iskar gas mai lalata bututu da sauransu.
Amfani mai tsabta na α-SiC na samfuran masana'antu, saboda ƙarfinsa mai girma, yana da matukar wahala a niƙa shi cikin nanoscale ultrafined foda, kuma barbashi sune faranti ko zaruruwa, ana amfani da su don niƙa cikin ƙaramin ƙarfi, har ma a cikin dumama zuwa ruɗuwar sa. zafin jiki a kusa da, ba zai samar da wani sosai m nadawa, ba za a iya sintered, da densification matakin na kayayyakin ne low, da hadawan abu da iskar shaka juriya ne matalauta. Sabili da haka, a cikin masana'antu na samfurori na samfurori, ɗan ƙaramin adadin ɓoyayyen kwayoyin halitta β-Sic Ulfine foda yana ƙara zuwa α-SIC da zaɓi na ƙari don samun samfuran ƙari don samun samfuran ƙari don samun samfuran da ƙari. A matsayin ƙari ga haɗin gwiwar samfur, bisa ga nau'in za'a iya raba shi zuwa ƙarfe oxides, mahadi na nitrogen, graphite mai girma, kamar yumbu, aluminum oxide, zircon, zirconium corundum, lemun tsami foda, gilashin laminated, silicon nitride, silicon oxynitride, high. graphite tsarki da sauransu. A aqueous bayani na kafa m iya zama daya ko fiye na hydroxymethylcellulose, acrylic emulsion, lignocellulose, tapioca sitaci, aluminum oxide colloidal bayani, silicon dioxide colloidal bayani, da dai sauransu bisa ga irin Additives da bambanci a cikin adadin Bugu da kari. zafin wuta na ƙarami ba iri ɗaya bane, kuma yawan zafin jiki shine 1400 ~ 2300 ℃. Alal misali, α-SiC70% tare da wani barbashi size rarraba fiye da 44μm, β-SiC20% tare da barbashi size rarraba kasa da 10μm, yumbu 10%, da 4.5% lignocellulosic bayani 8%, ko'ina gauraye, kafa tare da 50MPa aiki. matsa lamba, kora a cikin iska a 1400 ℃ for 4h, A fili yawa na samfurin ne 2.53g/cm3, porosity na fili shine 12.3%, kuma ƙarfin ƙarfi shine 30-33mpa. An jera kaddarorin sarrafa nau'ikan samfura da yawa tare da ƙari daban-daban a cikin Tebur 2.
Gabaɗaya, ƙwaƙƙwaran siliki-carbide refractories suna da kyawawan kaddarorin a kowane fanni, kamar ƙarfi mai ƙarfi, juriya mai ƙarfi mai ƙarfi, juriya mai kyau, juriya mai ƙarfi mai ƙarfi da juriya mai ƙarfi akan kewayon zafin jiki mai faɗi. Duk da haka, ya kamata kuma a ga cewa rashin amfaninsa shine cewa tasirin antioxidant ba shi da kyau, wanda ke haifar da fadada girma da kuma lalacewa a cikin yanayin zafi mai zafi don rage rayuwar sabis. Domin tabbatar da juriya da iskar shaka na dauki-sintered silicon carbide refractories, da yawa zabi aikin da aka yi a kan bonding Layer. Aikace-aikacen yumbu (wanda ya ƙunshi ƙarfe oxides) haɗuwa, amma bai samar da tasirin buffer ba, ƙwayoyin siliki carbide har yanzu suna ƙarƙashin iskar oxygen da lalata.
Lokacin aikawa: Juni-21-2023