- INYUNGU Z'IBIKORWA BIFATANYIJE NA SILICON CARBIDE
Reaction Bonded Silicon Carbide (RBSC, cyangwa SiSiC) ibicuruzwa bitanga ubukana bukabije / kurwanya abrasion hamwe nubushakashatsi bukomeye bwimiti mubidukikije. Silicon Carbide nibikoresho byogukora byerekana imikorere iranga harimo:
lKurwanya imiti nziza cyane.
Imbaraga za RBSC ziruta hafi 50% kurenza izo nitride nyinshi zifatanije na silicon karbide. RBSC ninziza nziza yo kurwanya ruswa hamwe na antioxyde ceramic .. Irashobora kubumbwa muburyo butandukanye bwa desulpurisation nozzle (FGD).
lKwambara neza no kurwanya ingaruka.
Nibisonga binini bya abrasion irwanya tekinoroji ya ceramic. RBSiC ifite ubukana bwinshi bwegera ubwa diyama. Yashizweho kugirango ikoreshwe mubisabwa kumashusho manini aho amanota ya karibide ya silicon yerekana kwangirika cyangwa kwangirika kwingaruka zingingo nini. Kurwanya kwangirika kwingirangingo zumucyo kimwe ningaruka no kunyerera kunyerera kubintu bikomeye birimo ibishishwa. Irashobora kubumbwa muburyo butandukanye, harimo imiterere ya cone nintoki, hamwe nibice byinshi byakozwe na injeniyeri bigenewe ibikoresho bigira uruhare mugutunganya ibikoresho bibisi.
lKurwanya ubushyuhe bwiza cyane.
Ibice bya silicon karbide yibikoresho bitanga imbaraga zidasanzwe zo guhangana nubushyuhe ariko bitandukanye nubutaka gakondo, burahuza kandi ubucucike buke nimbaraga zikomeye.
lImbaraga nyinshi (yunguka imbaraga mubushyuhe).
Imyitwarire ya karibide ya Silicon igumana imbaraga zayo zubukanishi ku bushyuhe bwo hejuru kandi ikagaragaza urwego rwo hasi cyane rw'ibikurura, bigatuma ihitamo rya mbere kubisabwa kwikorera imitwaro iri hagati ya 1300ºC kugeza 1650ºC (2400ºC kugeza 3000ºF).
- Urupapuro rwa tekiniki
Urupapuro rwa tekiniki | Igice | SiSiC (RBSiC) | NbSiC | ReSiC | Icyaha SiC |
Reaction Bonded Silicon Carbide | Nitride Bonded Silicon Carbide | Carbide yongeye gushyirwaho | Icuma cya Silicon Carbide | ||
Ubucucike bwinshi | (g.cm3) | ≧ 3.02 | 2.75-2.85 | 2.65 ~ 2.75 | 2.8 |
SiC | (%) | 83.66 | ≧ 75 | ≧ 99 | 90 |
Si3N4 | (%) | 0 | ≧ 23 | 0 | 0 |
Si | (%) | 15.65 | 0 | 0 | 9 |
Fungura Porosity | (%) | <0.5 | 10 ~ 12 | 15-18 | 7 ~ 8 |
Imbaraga | Mpa / 20 ℃ | 250 | 160 ~ 180 | 80-100 | 500 |
Mpa / 1200 ℃ | 280 | 170 ~ 180 | 90-110 | 550 | |
Modulus ya elastique | Gpa / 20 ℃ | 330 | 580 | 300 | 200 |
Gpa / 1200 ℃ | 300 | ~ | ~ | ~ | |
Amashanyarazi | W / (m * k) | 45 (1200 ℃) | 19.6 (1200 ℃) | 36.6 (1200 ℃) | 13.5 ~ 14.5 (1000 ℃) |
Ubwinshi bwo kwagura ubushyuhe | Kˉ1 * 10ˉ6 | 4.5 | 4.7 | 4.69 | 3 |
Igipimo cya Mons (Rigidity) | 9.5 | ~ | ~ | ~ | |
Ubushyuhe bukabije | ℃ | 1380 | 1450 | 1620 (okiside) | 1300 |
- UrubanzaKubisubizo Byahujwe na Silicon Carbide:
Amashanyarazi, Ubucukuzi bw'amabuye y'agaciro, Ubukorikori, peteroli, Kiln, Inganda zikora imashini, Amabuye y'agaciro & Metallurgie n'ibindi.
Ariko, bitandukanye nicyuma hamwe nuruvange rwarwo, ntamahame ngenderwaho asanzwe yerekana inganda za silicon karbide. Hamwe nibintu byinshi byahimbwe, ubucucike, tekinoroji yo gukora hamwe nuburambe bwisosiyete, ibice bya karubide ya silicon birashobora gutandukana cyane muburyo buhoraho, kimwe nubukanishi nubumashini. Guhitamo kwawe kuguha kugena urwego nubuziranenge bwibikoresho wakiriye.