Mubice byinshi byubumenyi siyanse, ceramika ya silicon karbide yabaye "umukunzi" wimirima myinshi yubuhanga buhanitse bitewe nibintu byiza cyane nko gukomera cyane, imbaraga nyinshi, guhagarara neza kwubushyuhe, hamwe nubushakashatsi bwimiti. Kuva mu kirere kugeza mu nganda zikora, kuva ku binyabiziga bishya bigera ku mashini z’inganda, ceramika ya silicon karbide igira uruhare rukomeye. Mubikorwa byo gutegura silicon carbide ceramics, uburyo bwo gucumura nikintu cyingenzi kigena imiterere yacyo hamwe nurwego rushyirwa mubikorwa. Uyu munsi, tuzacengera muburyo bwo gucumura karbide ya silicon hanyuma twibande ku gushakisha ibyiza byihariye bya reaction yacumuyesilicon carbide ceramics.
Uburyo busanzwe bwo gucumura kuri silicon karbide
Hariho uburyo butandukanye bwo gucumura karbide ya silicon, buriwese ufite amahame yihariye n'ibiranga.
. Gukanda cyane birashobora kubona ubukonje bwa silicon karbide ceramics yubushyuhe buke ugereranije no mugihe gito, hamwe nubunini bwiza bwimbuto hamwe nibikoresho byiza bya mashini. Nyamara, ibikoresho bishyushye byo gucumura biragoye, ikiguzi cyibumba ni kinini, ibisabwa kugirango umusaruro ukorwe birakomeye, kandi ibice byoroheje gusa birashobora gutegurwa, bikavamo umusaruro muke, ibyo bikaba bigabanya urugero runini rushyirwa mubikorwa.
. Igabanijwemo inzira ebyiri: gukomera-ibintu bikomeye no gucumura-icyiciro. Icyiciro gikomeye cyo gucumura kirashobora kugera ku bwinshi bwa karubide ya silicon, nta cyiciro cyikirahure kiri hagati ya kristu, hamwe nubushyuhe bwo hejuru bwubushyuhe bwo hejuru; Amazi yo mu cyiciro cya Liquid afite ibyiza byo kugabanya ubushyuhe bwo hasi, ingano ntoya, hamwe no kunoza ibikoresho byo kugonda no gukomera. Umuvuduko ukabije wa Atmospheric nta mbogamizi ku miterere yubunini nubunini, igiciro gito cyumusaruro, hamwe nibintu byiza byuzuye, ariko ubushyuhe bwo gucumura ni bwinshi kandi gukoresha ingufu ni byinshi.
3. Icyaha cyo gucana: Carbide ya silicon ya reaction yatanzwe bwa mbere na P. Popper muri 1950. Inzira ikubiyemo kuvanga isoko ya karubone nifu ya silicon karbide, no gutegura umubiri wicyatsi binyuze muburyo bwo gutera inshinge, gukanda byumye, cyangwa gukonjesha isostatike ikonje. Hanyuma, fagitire yashyutswe hejuru ya 1500 ℃ munsi yikirere cyangwa ikirere cya inert, icyo gihe silikoni ikomeye irashonga muri silikoni yamazi, yinjira muri bilet irimo imyenge binyuze mubikorwa bya capillary. Umwuka wa silikoni cyangwa silicon wumuyaga uhura na chimique hamwe na C mumubiri wicyatsi, kandi aho byatangiriye β - SiC ikomatanya nuduce twambere twa SiC mumubiri wicyatsi kugirango habeho reaction ya silicon carbide ceramic ceramic.
Ibyiza bya reaction Sintering Silicon Carbide Ceramics
Ugereranije nubundi buryo bwo gucumura, reaction ya silicon carbide ceramics ifite ibyiza byinshi byingenzi:
. Ubushyuhe bwo hasi bugereranya ibiciro byo gufata neza ibikoresho no kugabanya ingufu mugihe cyibikorwa, kugabanya neza umusaruro. Ibi bituma reaction ya silicon carbide ceramics ifite ibyiza byubukungu mubikorwa binini.
2. Ibi biranga bituma bikwiye cyane cyane gutegura ibice binini, binini byubatswe byubatswe. Yaba ibice byubukanishi cyangwa ibikoresho binini byinganda, reaction ya sinteri ya silicon karbide ceramics irashobora kuba yujuje neza ibyashushanyijeho, kugabanya intambwe yatunganijwe nyuma, kunoza imikorere, kandi bikagabanya igihombo cyibintu no kongera ibiciro biterwa no gutunganya.
3. Imiterere yuzuye iha ibikoresho ibikoresho byubukanishi buhebuje, nkimbaraga zunamye cyane nimbaraga zo guhonyora, bigafasha gukomeza ubusugire bwimiterere munsi yimbaraga zikomeye zo hanze. Muri icyo gihe, imiterere yuzuye nayo yongerera imbaraga imyambarire no kwangirika kwangirika kwibikoresho, bigatuma ikora neza mubikorwa bikomereye kandi ikongerera igihe cyakazi.
. Mu nganda nka chimique na metallurgie, ibikoresho akenshi bikenera guhura nibitangazamakuru bitandukanye byangirika. Imyitwarire ya silicon karbide ceramics irashobora kurwanya neza isuri yibi bitangazamakuru, kwemeza imikorere isanzwe yibikoresho, kugabanya ibiciro byo kuyitaho no kuyisimbuza, no kuzamura umusaruro no gukomeza.
Byakoreshwa cyane mubice bitandukanye
Hamwe nizo nyungu, reaction ya silicon carbide ceramics yakoreshejwe cyane mubice byinshi. Mu rwego rwibikoresho byo mu itanura ryubushyuhe bwo hejuru, irashobora kwihanganira ubushyuhe bwo hejuru kandi ikanakora neza itanura; Mu guhanahana ubushyuhe, uburyo bwiza bwo gutwara ubushyuhe no kurwanya ruswa bituma bahitamo ibintu byiza; Mu bikoresho byo kurengera ibidukikije nka desulfurisation nozzles, irashobora kurwanya isuri yibitangazamakuru byangirika kandi bigatuma ibikorwa byigihe kirekire bikora neza. Byongeye kandi, reaction yacumuye silicon carbide ceramics nayo igira uruhare runini mubice byo murwego rwo hejuru nka Photovoltaics hamwe nindege.
Imyitwarire ya silicon carbide ceramics ifata umwanya wingenzi mumuryango wa ceramic ya silicon karbide kubera ibyiza byihariye. Hamwe niterambere ryiterambere ryikoranabuhanga hamwe nogukomeza kunoza imikorere, abantu bemeza ko reaction yahinduye silicon carbide ceramics izerekana imikorere yabo myiza mubice byinshi, itanga inkunga ikomeye yibikorwa byiterambere ryinganda zitandukanye.
Igihe cyo kohereza: Jun-13-2025