Ntinye ngwaahịa na ngwa nke carbide silicon ojii
Black silicon carbide(nke a na-akpọ black silicon carbide) bụ ihe arụrụ arụ na-abụghị ọla mere nke ájá quartz na mmanụ ala coke dị ka isi akụrụngwa ma gbazee na nnukwu okpomọkụ n'ime ọkụ na-eguzogide. Ọ nwere ọdịdị ojii na-acha ntụ ntụ ma ọ bụ ọchịchịrị gbara ọchịchịrị, isi ike dị oke elu, ezigbo okpomọkụ conductivity na nkwụsi ike kemịkal. Ọ bụ ihe dị mma nke ụlọ ọrụ mmepụta ihe ma na-ejikarị eme ihe na abrasives, refractory material, metallurgy, ceramics, electronics na ndị ọzọ ubi.
Ⅰ Njirimara arụmọrụ nke carbide silicon ojii
Isi ike nke Mohscarbide silicon ojiidị elu dị ka 9.2, nke abụọ na diamond na cubic boron nitride, ma nwee nguzogide iyi siri ike na nguzogide mmetụta. Ebe mgbaze ya dị ihe dị ka 2700 Celsius, ọ nwekwara ike ịnọgide na-enwe nkwụsi ike nhazi na gburugburu ebe okpomọkụ dị elu ma ọ dịghị mfe ire ere ma ọ bụ gbanwee. Tụkwasị na nke ahụ, ọ nwere ezigbo conductivity thermal na ọnụọgụ mgbasawanye ọkụ dị ala, ma ka na-egosi nkwụsi ike nke okpomọkụ dị mma n'okpuru nnukwu okpomọkụ na ọnọdụ nrụgide dị elu.
N'ihe gbasara akụrụngwa kemịkalụ, carbide silicon ojii nwere ezigbo nguzogide corrosion na acid na alkalis, ma dabara adaba maka iji ụlọ ọrụ eme ihe na gburugburu ebe siri ike. Nrụgharị ya dị elu na-emekwa ka ọ bụrụ ihe ọzọ maka ụfọdụ ihe ọkụ ọkụ eletrik na mpaghara semiconductor.
Ⅱ Ụdị isi ngwaahịa na nkọwapụta
Enwere ike ịme carbide silicon ojii n'ụdị dị iche iche dabere na nha na ojiji dị iche iche:
Ihe mgbochi: kristal buru ibu mgbe agbazechara, a na-ejikarị emezigharị ma ọ bụ dị ka ihe mgbakwunye metallurgical;
Aja granular (F aja/P aja): eji eme wiil egweri, abrasives na-agba aja aja, akwụkwọ aja, wdg;
Micro ntụ ntụ (W, D usoro): eji maka ultra-nkenke egweri, polishing, seramiiki sintering, wdg;
Nano-larịị Micro ntụ ntụ: eji maka elu-ọgwụgwụ eletrọnịkị ceramik, thermal conductive mejupụtara ihe, wdg.
The urughuru size ranges si F16 ka F1200, na urughuru size nke Micro ntụ ntụ nwere ike iru nanometer larịị, nke nwere ike ahaziri dị ka teknuzu chọrọ dị iche iche ngwa ubi.
Ⅲ. Ebe isi ngwa nke silicon carbide ojii
1. Abrasives na egweri ngwaọrụ
Abrasives bụ mpaghara ngwa ọdịnala na nke a na-ejikarị eme ihe nke carbide silicon ojii. N'iji uru nke ike ya dị elu na ihe na-akpụ onwe ya, enwere ike iji silicon carbide na-emepụta ngwaahịa dị iche iche, dị ka igwe na-egweri, ịcha diski, akwụkwọ akpụkpọ anụ, isi ihe, ịkwanye pastes, wdg, bụ ndị kwesịrị ekwesị maka ịkwanye na nhazi ihe dịka ígwè nkedo, ígwè, ígwè na-adịghị ferrous, ceramics, iko, quartz, na ngwaahịa ciment.
Uru ya bụ ngwa ngwa na-egweri ngwa ngwa, ọ dịghị mfe ịkụchi, na nhazi nhazi dị elu. A na-eji ya eme ihe n'ọtụtụ ebe na nhazi ígwè, nrụpụta ígwè ọrụ, ihe ịchọ mma ụlọ na ụlọ ọrụ ndị ọzọ.
2. Ihe ngbanwe
N'ihi nkwụsi ike ya dị elu na nguzogide corrosion, a na-eji silicon carbide na-eme ihe n'ọtụtụ ebe n'ọhịa nke ihe na-eme ka okpomọkụ dị elu. Enwere ike ịme ya ka ọ bụrụ brik carbide silicon, mkpuchi ọkụ, ihe mkpuchi ọkụ, tubes nchebe thermocouple, ngwá ọrụ kiln, nozzles, brik tuyere, wdg, a na-ejikwa ya na ụlọ ọrụ okpomọkụ dị elu dị ka metallurgy, ọla ndị na-adịghị ferrous, ọkụ eletrik, iko, ciment, wdg, iji gbasaa ndụ akụrụngwa ma melite nchekwa ọrụ.
Na mgbakwunye, silicon carbide ihe nwere ezigbo antioxidant Njirimara na elu-okpomọkụ ikuku oxidizing ikuku na kwesịrị ekwesị maka ojiji na isi akụkụ nke ọkụ mgbawa ọkụ, ọkụ ọkụ na ngwa ndị ọzọ.
3. Ụlọ ọrụ metallurgical
N'ime usoro ọla dị ka nchara na nkedo, enwere ike iji silicon carbide ojii dị ka deoxidizer, onye na-ekpo ọkụ na recarburizer. N'ihi nnukwu carbon carbon ya na ntọhapụ ọkụ ngwa ngwa, ọ nwere ike melite arụmọrụ nke ọma ma melite ogo nke ígwè gbazere. N'otu oge ahụ, ọ nwekwara ike ibelata ọdịnaya adịghị ọcha na usoro ịgbaze ma na-ekere òkè n'ịchacha ígwè a wụrụ awụ.
Ụfọdụ igwe igwe na-agbakwụnyekwa akụkụ ụfọdụ nke silicon carbide iji mezie ihe mejupụtara na mgbaze nke nkedo na ígwè ductile iji chekwaa ego na imeziwanye arụmọrụ nke nkedo.
4. Ceramics na ihe eletrọnịkị
Carbide silicon ojii bụkwa ihe dị mkpa maka seramiki na-arụ ọrụ. Ọ nwere ike iji kwadebe structural ceramics, wear-eguzogide ceramics, thermal conductive ceramics, wdg, na nwere sara mbara atụmanya na ubi nke electronics, chemical ụlọ ọrụ, ígwè ọrụ, wdg O nwere magburu onwe thermal conductivity, na a thermal conductivity nke ruo 120 W / m · K, na-ejikarị na thermal conductive ihe na okpomọkụ dissip ihe, LED dissip ihe na-ekpo ọkụ na-ekpo ọkụ ihe.
Tụkwasị na nke ahụ, silicon carbide ejirila nwayọọ nwayọọ banye n'ọhịa nke semiconductor ike ma ghọọ ihe bụ isi maka ngwaọrụ okpomọkụ na elu voltaji. Ọ bụ ezie na ịdị ọcha nke carbide silicon ojii dị ntakịrị ala karịa nke silicon carbide na-acha akwụkwọ ndụ akwụkwọ ndụ, a na-ejikwa ya na ngwaahịa eletrọnịkị dị obere na obere voltaji.
5. Fotovoltaic na ụlọ ọrụ ike ọhụrụ
A na-eji ntụ ntụ silicon carbide ntụ ntụ eme ihe n'ọtụtụ ebe na ịkpụ nke silicon wafer na ụlọ ọrụ fotovoltaic. Dị ka ihe abrasive na usoro ịkpụ waya diamond, ọ nwere uru nke ịdị elu dị elu, siri ikeịchaike, obere mfu, na mma ịkpụ elu, nke na-enyere aka melite ịkpụ arụmọrụ na mkpụrụ nke silicon wafers na ibelata wafer ọnwụ ọnụego na mmepụta ihe.
Site na mmepe na-aga n'ihu nke ike ọhụrụ na teknụzụ ihe ọhụrụ, a na-emepụta silicon carbide maka mpaghara na-apụta dị ka ihe mgbakwunye electrode na-adịghị mma nke lithium na ndị na-ebu seramiiki.
Ⅳ Nchịkọta na Outlook
Carbide silicon ojii na-arụ ọrụ na-enweghị atụ n'ọtụtụ mpaghara mmepụta ihe yana ọmarịcha igwe, ọkụ na kemịkalụ ya. Na na-aga n'ihu ọganihu nke n'ichepụta technology, ngwaahịa urughuru size akara, ịdị ọcha refining na-aga n'ihu na mgbasawanye nke ngwa ubi, nwa silicon carbide na-emepe emepe kwupụta elu arụmọrụ na nkenke.
N'ọdịnihu, na ngwa ngwa ịrị elu nke ụlọ ọrụ dị ka ike ọhụrụ, seramiki eletrọnịkị, njedebe dị eluegweri na nrụpụta ọgụgụ isi, carbide silicon ojii ga-arụ ọrụ dị mkpa na-arịwanye elu n'ọhịa nke mmepụta ihe dị elu ma ghọọ akụkụ bụ isi nke usoro teknụzụ ihe onwunwe dị elu.