Anyị bụ ndị nrụpụta nwere ahụmịhe. Anyị na-enweta ọtụtụ asambodo dị mkpa n'ahịa ya maka Onye Na-ebunye Ngwaahịa A Pụrụ Inye Aka China RP/HP/UHP Graphite Columan Dị Elu, anyị na-akpọ gị na ụlọ ọrụ gị òkù ka gị na anyị mee nke ọma ma kesaa ọdịnihu mara mma n'ahịa ụwa niile.
Anyị bụ ndị nrụpụta nwere ahụmịhe. Imeri ọtụtụ asambodo dị mkpa nke ahịa ya makaElectrọde China, Electrọd graphiteNgalaba R&D anyị na-emepụtakarị echiche ejiji ọhụrụ ka anyị wee nwee ike iwebata ụdị ejiji kachasị ọhụrụ kwa ọnwa. Sistemụ njikwa mmepụta siri ike anyị na-ahụ na ngwaahịa kwụsiri ike ma dị elu na-adịgide adịgide. Ndị otu azụmaahịa anyị na-enye ọrụ n'oge na nke dị irè. Ọ bụrụ na enwere mmasị na ajụjụ gbasara ngwaahịa na ngwọta anyị, cheta ịkpọtụrụ anyị n'oge. Anyị ga-achọ ịmalite mmekọrịta azụmaahịa na ụlọ ọrụ gị a ma ama.
Ngwakọta carbon / carbon(nke a ga-akpọ ""C/C ma ọ bụ CFC") bụ ụdị ihe mejupụtara nke dabere na carbon ma ejiri eriri carbon na ngwaahịa ya mee ka ọ sie ike (usoro ihe eji eme ka carbon sie ike). O nwere ma ike nke carbon na ike dị elu nke eriri carbon. O nwere ezigbo ihe eji arụ ọrụ, iguzogide okpomọkụ, iguzogide nchara, mgbochi esemokwu na njirimara ike na ike eletriki.
CVD-SiCmkpuchi ahụ nwere njirimara nke nhazi otu, ihe dị obere, iguzogide okpomọkụ dị elu, iguzogide oxidation, ịdị ọcha dị elu, iguzogide acid & alkali na ihe ndị sitere na organic reagent, yana ihe onwunwe anụ ahụ na kemịkalụ kwụsiri ike.
Ma e jiri ya tụnyere ihe ndị dị na graphite dị ọcha nke ukwuu, graphite na-amalite ịgbaze na 400C, nke ga-eme ka ntụ ntụ daa n'ihi mgbaze, na-ebute mmetọ gburugburu ebe obibi na ngwaọrụ ndị dị n'akụkụ na ụlọ ndị na-anaghị amị amị, ma na-eme ka ihe ndị na-adịghị ọcha nke gburugburu ebe obibi dịkwuo elu.
Agbanyeghị, mkpuchi SiC nwere ike idobe nkwụsi ike anụ ahụ na kemịkalụ na ogo 1600. A na-ejikarị ya eme ihe n'ụlọ ọrụ ọgbara ọhụrụ, ọkachasị na ụlọ ọrụ semiconductor.
Ụlọ ọrụ anyị na-enye ọrụ nhazi mkpuchi SiC site na usoro CVD n'elu graphite, seramiiki na ihe ndị ọzọ, ka gas pụrụ iche nwere carbon na silicon meghachi omume na okpomọkụ dị elu iji nweta molekul SiC dị ọcha, molekul ndị a na-etinye n'elu ihe ndị a kpuchiri ekpuchi, na-emepụta oyi akwa nchebe SIC. SIC e guzobere na-ejikọta nke ọma na ntọala graphite, na-enye ntọala graphite ihe pụrụ iche, si otú a na-eme ka elu nke graphite dị obere, enweghị Porosity, oke okpomọkụ, iguzogide nchara na iguzogide oxidation.
Isi atụmatụ:
1. Nguzogide oxidation okpomọkụ dị elu:
Nguzogide oxidation ka dị mma nke ukwuu mgbe okpomọkụ dị elu ruo 1600 Celsius.
2. Ịdị ọcha dị elu: emere site na itinye anwụrụ kemịkalụ n'okpuru ọnọdụ okpomọkụ dị elu nke chlorine.
3. Mgbochi mbuze: ike siri ike, elu dị obere, obere ihe.
4. Mgbochi nke ire ere: asịd, alkali, nnu na ihe ndị sitere n'okike.
Nkọwapụta Isi nke Mkpuchi CVD-SIC:
| SiC-CVD | ||
| Njupụta | (g/cc)
| 3.21 |
| Ike flexural | (Mpa)
| 470 |
| Mgbasawanye okpomọkụ | (10-6/K) | 4
|
| Ọkwa okpomọkụ | (W/mK) | 300
|
