akụkọ

A na-emepụta silicon carbide (SiC) site na ịgbaze okpomọkụ dị elu n'ime ọkụ na-eguzogide ihe ndị dị ka ájá quartz, petroleum coke (ma ọ bụ coal coke), ibe osisi (a chọrọ nnu iji mepụta silicon carbide akwụkwọ ndụ akwụkwọ ndụ). Silicon carbide dịkwa n'okike, mineral dị ụkọ, moissanite. A na-akpọkwa silicon carbide moissanite. N'ime ihe ndị na-adịghị oxide dị elu dịka C, N, na B, silicon carbide bụ nke a na-ejikarị eme ihe ma dị ọnụ ala, a pụkwara ịkpọ ya gold string grit ma ọ bụ refractory grit. Ugbu a, mmepụta ụlọ ọrụ China nke silicon carbide kewara n'ime black silicon carbide na akwụkwọ ndụ silicon carbide, ha abụọ bụ kristal hexagonal nwere ike ndọda kpọmkwem nke 3.20-3.25 na microhardness nke 2840-3320kg/mm2.

Silicon carbide nwere ebe anọ e ji eme ihe, ya bụ: seramiiki arụ ọrụ, ihe ndị na-adịghị mma, ihe ndị na-emebi emebi na ihe ndị e ji ígwè rụọ. Enwere ike ịnye ihe ndị e ji silicon carbide rụọ n'ọtụtụ buru ibu, a pụghịkwa iwere ha dị ka ngwaahịa teknụzụ dị elu. O yighị ka itinye ntụ ọka silicon carbide nano-scale n'ọrụ nwere nnukwu ọdịnaya teknụzụ agaghị arụpụta nnukwu ego n'ime obere oge.

⑴Dịka ihe e ji ehicha ihe, enwere ike iji ya mee ihe eji ehicha ihe, dịka wiil igwe, nkume mmanụ, isi igwe, taịlị ájá, wdg.

⑵Dịka ihe na-eme ka ihe dị n'ime ígwè rụọ ọrụ nke ọma, ọ na-eguzogidekwa okpomọkụ dị elu.

⑶ Enwere ike iji kristal dị ọcha nke nwere nnukwu ihe dị ọcha mepụta semiconductor na eriri silicon carbide.

 

金刚砂_01

 

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Oge ozi: Ọgọst-03-2021