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xiang tu yu nai huo cai liao ( )
Author(s): 
Pages: 392-395
Year: Issue:  5
Journal: Refractories

Abstract: (接上期) 5 Si-A1-O-N系四面体图 Si-Al-O-N系四面体如图91所示.四面体内任一点的组成,其正价数必须等于负价数.如:SiaAlbOcN1-a-b-c,则4a+3b=2c+3(1-a-b-c),c =3-7a-6b,于是有SiaAlbO3-7a-6bN6a+5b-2. 6 凝聚相稳定存在区域图——优势区相图或热力学参数图 对于一些M-N-O系及M-C-N-O系(M代表金属元素),可以根据其热力学数据绘制出凝聚相稳定存在区域图或热力学参数图,从这些图可以确定非氧化物或其复合耐火材料在合成或烧成时的工艺条件.
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