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合金中各种析出相由电解法萃取出,用化学分离及元素分析测定其中一个相(s),并将其作为参比物。将各相特定晶面的X射线衍射强度测值(Ⅰ)转换成相对参比物(s)的强度,即都乘以各自的转换系数k,使统一比较标准。基此,n个混合相中某相(i)的重量分数(W_1)便可按而求出。文中介绍了为求k值的实验和回归计算方法,介绍了多相体系态别定量步骤,讨论了所拟方法的误差来源和误差值。视目的相含量和求k方式不同,相量分析的相对误差小于10～15％
The various precipitates in the alloy were extracted by electrolysis and one of the phases (s) was determined by chemical and elemental analysis and used as a reference. The X-ray diffraction intensity measurement (I) of the specific crystal face of each phase is converted into the intensity of the relative reference (s), that is, multiplied by the respective conversion coefficient k to make a uniform comparison standard. Based on this, the weight fraction (W_1) of a certain phase (i) in the n mixed phases can be determined. In this paper, the experimental and regression calculation methods for the k value are introduced. The quantitative steps of the multiphase system are introduced. The error sources and error values of the proposed method are discussed. Depending on the phase content and seeking k different ways, the relative error of the phasor analysis is less than 10 ~ 15%