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Fe-6.5Si高硅钢冷轧薄板中D03相的定量分析

Fe-6.5Si高硅钢是一种具有高磁导率、低矫顽力和低铁损等优异性能的软磁材料。但有序相B2和D03，尤其是D03相的出现会使高硅钢的硬度和脆性急剧升高，并对薄板的轧制加工产生非常不利的影响。由于该合金中同时存在A2、B2和D03三相，且X射线衍射峰大量重叠，给D03相的定量分析带来困难。采用直接比较法定量分析D03相的体积分数，结果表明，h+k+l为偶数时A2与B2相{hkl}晶面衍射的结构因子相同。若将A2与B2合并成一相处理，适当调整X射线衍射直接比较法的关系式，进而对D03相的特征衍射峰与三相重叠的衍射峰进行直接比较，即可计算出D03相的体积分数。

关键词: 高硅钢 , D03 , X-ray diffraction , quantitative phase analysis

AN INCREMENTAL METHOD OF X-RAY DIFFRACTION QUANTITATIVE PHASE ANALYSIS OF SAMPLES CONTAINING AMORPHOUS MATERIAL

G. Chu(Department of Applied Chemistry Fushun Petroleum Institute , Fushun 113001 , China)

金属学报(英文版)

A new method for quantitative X-ray diffraction phase analysis of a powder misture has been developed according to Popovic's doping method. The weight fraction of amorphous material in the analysed sample is obtained. For a multicomponent system in which (n-2) pure phases are added into an n-phase compnent sample and theweight fractions of all n phases can be determined by the method. The test results of confirmation agree well with the theory.

关键词: X-ray diffraction , null , null , null

材料期刊网

Fe-6.5Si高硅钢冷轧薄板中D03相的定量分析

AN INCREMENTAL METHOD OF X-RAY DIFFRACTION QUANTITATIVE PHASE ANALYSIS OF SAMPLES CONTAINING AMORPHOUS MATERIAL

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