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【重結晶碳化硅】簡單了解一下哈!

時間:2018/8/8 19:49:49

重結晶碳化硅也叫作再結晶碳化硅,它以高純超細碳化硅做為原料的,碳化硅在2400℃的高溫下以及一定壓力的氣氛保護下,會發生蒸發再凝聚再結晶的效果,在顆粒的接觸處會發生顆粒共生形成的燒結體。但是基本 是不收縮的,不過會具有一定的數量孔隙。
重結晶碳化硅在燒制過程中很可能會出現強度不夠,或者色彩不均一,半灰半綠的情況,在遇到這種現象的時候,可以降低粒徑或者改變燒成的制度,這樣都是可以增加強度的。
Recrystallized silicon carbide is also called recrystallized silicon carbide, which uses high purity ultra-fine silicon carbide as raw material. under the protection of high temperature of 2400 ℃ and certain  pressure atmosphere, silicon carbide will undergo the effect of evaporation, re-agglomeration and re - crystallization. in the contact of particles, sintered bodies formed by coexistence of particles will  occur. But it does not shrink basically, but it will have a certain number of pores.
Recrystallized silicon carbide is likely to suffer from insufficient strength, uneven color and semi-gray and semi-green during firing. when encountering this phenomenon, the grain size can be reduced  or the firing system can be changed, which can all increase the strength.

重結晶碳化硅

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