Ihe ejikọtara silicon carbide mmeghachi omumecruciblesna-anọchite anya ọganihu na teknụzụ refractory, na-enye arụmọrụ na-enweghị atụ na gburugburu ebe okpomọkụ dị oke egwu. Igwe seramiiki ndị a dị elu abụrụla ihe dị mkpa n'ofe ọla, nkedo nkenke, injinịa injinia, na ụlọ ọrụ nhazi kemịkalụ, na-ebuga ọrụ dị elu ebe ihe ọdịnala na-ada ada.
Uru Nka na Isi
RBSC crucibles na-aka nke ọma alumina na graphite ogbo site na:
- Nrụpụta ọkụ pụrụ iche (120–150 W/m·K na 1000°C)
- Ọnụego mgbasawanye ọkụ dị ala (4.5×10⁻⁶/K)
- Nguzogide ujo na-eguzogide 50+ ngwa ngwa jụrụ oyi (1600°C→25°C)
-Acid/alkali corrosion resistance (pH 0-14 ndakọrịta)
- Nkwụsi ike oxidation na ikuku ruo 1650 ° C
Metallurgical Mastery
Na mmepụta ígwè alloy na igwe anaghị agbaze (aluminom, ọla kọpa, zinc), RBSC crucibles na-enyere:
- 20-30% ọnụego agbaze ngwa ngwa site na mbufe ọkụ kachasị mma
- 99.95% mmezi ịdị ọcha ọla site na ebe anaghị arụ ọrụ
- Belata nguzobe slag site na mbelata thermal stratification
- Ndụ ọrụ agbatịkwuru (3-5 × ogologo karịa ụrọ-graphite crucibles)
Ngwa nkedo nkenke & Ngwa igwe
Njirimara igwe pụrụ iche nke crucibles na-akwado ihe ndị ụlọ ọrụ chọrọ chọrọ:
- Iguzosi ike n'ezi ihe n'usoro n'okpuru 15-20 MPa nrụgide ọrụ
- Nkwụsi ike akụkụ na-agbanwe agbanwe (± 0.1% mgbanwe volumetric na 1500°C)
- Nhazi na-enweghị mmetọ maka akụrụngwa-ọkwa ikuku
- Arụmọrụ ntụkwasị obi na sistemụ nkedo centrifugal
Nhazi kemịkalụ kacha mma
RBSC crucibles na-eleba anya n'ihe ịma aka dị egwu na njikọ kemịkal:
- Nchekwa nke nnu gbazere (dịka, NaOH, KNO₃)
- arụ ọrụ kwụsiri ike na mmeghachi omume sulfidation / chlorination
- Nguzogide corrosion megide HF ruo 800°C
- Nchekwa ịdị ọcha na mmịpụta elementrị ụwa dị ụkọ
Economics na-arụ ọrụ
Ọ bụ ezie na ụgwọ mbụ dị 40-60% dị elu karịa crucibles ọdịnala, ngwọta RBSC na-enye:
- 70% mbelata ugboro ugboro
- 25–35% nchekwa ike site na nrụpụta ọkụ dị mma
- 90% ihe eji emegharị ihe site na mweghachi okpomọkụ
- Ihe achọrọ nrụzi nso-efu
Ihe ọhụrụ ụlọ ọrụ akọwapụtara
1. Titanium Alloy Production
- Na-egbochi reactive Ti agbaze na 1700°C
- Na-egbochi mmetọ mbuli carbon
2. Njikọ ihe batrị
- Na-akwado nhazi LiCoO₂ kathode otu
- Na-eguzogide corrosion nnu lithium
3. Semiconductor Crystal Growth
- Na-ejigide ndakọrịta oghere dị oke elu
- Na-ewepụ mmetọ nke silicon carbide
Ihuenyo ga-eme n'ọdịnihu
Crucibles RBSC ọgbara ọhụrụ gụnyere atụmatụ dị elu:
- Ihe owuwu porosity gradient maka ikike ikuku na-achịkwa
- Nanoscale elu coatings na-eme ka slag na-eguzogide
- Ihe mmetụta thermal agbakwunyere maka nlekota usoro
Site na nyocha nyocha ụlọ nyocha ruo na mmepụta oke ụlọ ọrụ, ihe mkpuchi silicon carbide crucibles na-aga n'ihu na-akọwapụta ikike nhazi okpomọkụ. Ngwakọta ha pụrụ iche nke thermal, mechanical, and chemical properties na-edobe ha dị ka ihe na-ahọrọ maka ngwa okpomọkụ dị elu nke ọgbọ na-abịa, arụmọrụ ịkwọ ụgbọala na nkwalite mma n'ofe ọtụtụ ngalaba nrụpụta dị elu.
Oge nzipu: Mar-20-2025