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S i_3N_4结合SiC耐火材料是近年来发展起来的并引人注目的特种高级耐火材料.它是由反应烧结S i_3N_4基质结合的S iC颗粒所组成.S i_3N_4和SiC两者具有相似的化学结构和物理性质,坚硬的SiC和高结合强度的S i_3N_4使得制品具有优良的使用性能,是目前公认的优质高炉衬材.它对高炉的强化冶炼和延长高炉的寿命具有积极的作用.在我国高炉中应尽力推广应用.
S i_3N_4 combined SiC refractories is a special high-grade refractories that has been developed in recent years and attracts attention.It consists of S iC particles bonded by reaction-sintered S i_3N_4 matrix.Si_3N_4 and SiC have similar chemical structure and Physical properties, hard SiC and high bonding strength of S i_3N_4 make the product has excellent performance, is now recognized as high quality blast furnace lining material, which enhance the blast furnace smelting and prolong the life of blast furnace has a positive effect in our blast furnace Should try to promote the application.