The alkali & alkaline metal oxide will react with sic at about 1300c and generate silicate , which calls alkali - chemical corrosion , and can influence the glowing of element 在1300c左右,堿和堿性金屬氧化物與碳化硅發(fā)生反應(yīng),生成硅酸鹽,稱為堿化學(xué)侵蝕,會明顯影響元件發(fā)熱的紅熱程度。