Karubide ya silikoni ikoze mu buryo bwa reaction-sintered ifite imiterere myiza

Kubera imiterere yayo myiza, carbide ya silikoni ikoze mu buryo bwa reaction-sintered yakoreshejwe cyane nk'ibikoresho by'ingenzi bya shimi. Uburyo ikoreshwamo bufite ibice bitatu: gukora ibintu bishyushya; Ikoreshwa mu gukora ibikoresho bishyushya birwanya ubukana - inkoni ya silikoni molybdenum, umuyoboro wa silikoni karuboni, nibindi; Mu gukora ibikoresho birwanya ubukana. Nk'ibikoresho byihariye birwanya ubukana, ikoreshwa mu gushonga icyuma n'icyuma nk'itanura ry'icyuma, cupola n'ibindi bikorwa byo gusiga, kwangirika, kwangiza umwanya ukomeye w'ibicuruzwa bidashobora gushya; Mu byuma bishongesha icyuma bidasanzwe (zinc, aluminium, umuringa) byo gushonga itanura, umuyoboro w'icyuma gishongesha, icyuma gishungura, inkono yo gufunga, nibindi; Kandi ikoranabuhanga ryo mu kirere nk'umunwa w'inyuma wa moteri, icyuma gishyushya gazi karemano gikomeza ubushyuhe bwinshi; Mu nganda za silicate, hari ubwoko bwinshi bw'ibikoresho byo mu nganda, icyuma gishyushya icyuma gishyushya, saggar; Mu nganda za shimi, ikoreshwa nk'ingufu, kabureteri y'amavuta mabi, itanura ry'umwuka utemba n'ibindi.

Gukoresha neza ibicuruzwa bikorerwa mu nganda za α-SiC, kubera imbaraga zayo nini, biragoye cyane kuyisya ikayikuramo ifu ya nanoscale ultrafine, kandi utwo duce ni amasahani cyangwa imigozi, ikoreshwa mu gusya mu gice gito, ndetse no mu gihe cyo gushyushya kugeza ku bushyuhe bwayo bwo kubora, ntabwo bizatera gupfunyika ku buryo bugaragara, ntibishobora gushonga, urwego rw'ubwinshi bw'ibicuruzwa ni ruto, kandi ubudahangarwa bwo gutwika ni buke. Kubwibyo, mu nganda zikora ibicuruzwa, ingano nto y'uduce duto tw'ibumba β-SiC ultrafine ifu yongerwa kuri α-SiC kandi hatoranywa inyongera kugira ngo haboneke ibicuruzwa bifite ubucucike bwinshi. Nk'inyongera yo guhuza ibicuruzwa, hakurikijwe ubwoko bwayo ishobora kugabanywamo okiside z'icyuma, imvange ya azote, grafiti nziza cyane, nk'ibumba, okiside ya aluminiyumu, zircon, zirconium corundum, ifu y'indimu, ikirahure cya laminated, nitride ya silicon, okside ya silicon, grafiti nziza cyane n'ibindi. Umuti w'amazi w'umuti ukoze kole ushobora kuba umwe cyangwa myinshi ya hydroxymethylcellulose, emulsion ya acrylic, lignocellulose, tapioca starch, aluminium oxide colloidal solution, silicon dioxide colloidal solution, nibindi. Dukurikije ubwoko bw'inyongera n'itandukaniro ry'ingano y'inyongera, ubushyuhe bwo gutwika bw'ikintu kimwe ntabwo ari bumwe, kandi urwego rw'ubushyuhe ni 1400 ~ 2300℃. Urugero, α-SiC70% ifite ingano y'uduce turenze 44μm, β-SiC20% ifite ingano y'uduce turenze 10μm, ibumba 10%, hamwe na 4.5% ya lignocellulosic 8%, ivanze neza, ikozwe n'umuvuduko wa 50MPa, ikoreshwa mu kirere kuri 1400℃ mu gihe cy'amasaha 4, Ubucucike bugaragara bw'umuti ni 2.53g / cm3, porosity igaragara ni 12.3%, kandi imbaraga zo gukurura ni 30-33mpa. Imiterere y'ubwoko butandukanye bw'ibicuruzwa bifite inyongeramusaruro zitandukanye igaragara mu mbonerahamwe ya 2.

Muri rusange, refractories za silikoni zikozwe muri refractories zifite imiterere myiza mu ngingo zose, nko gukomera cyane mu gukanda, kudakomera cyane mu bushyuhe, kudashira neza, gutwara ubushyuhe no kudakomera mu bushyuhe bwinshi. Ariko, bikwiye kandi kugaragara ko ikibi cyabyo ari uko ingaruka mbi za antioxydant ari mbi, bigatuma ingano y'ibintu bihinduka no guhinduka mu bushyuhe bwinshi kugira ngo bigabanye igihe cyo gukora. Kugira ngo refractories za silikoni zikozwe muri refractories zikozwe muri refractories, hakozwe imirimo myinshi yo guhitamo ku rukuta rw'ubufatanye. Gukoresha ibumba (ririmo oxyde z'icyuma) mu guhuza, ariko ntibyatanze ingaruka nziza, uduce twa silikoni turacyari mu mwuka uvanze na corruption.