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采用近似函数法并借助计算机计算，分析引起铜及铜合金X射线衍射峰物理宽化的微观晶块尺寸和点阵畸变大小，进而分析在纯铜中加入Ag和Sn等合金元素对其性能产生巨大影响的原因。结果表明，近似函数法是一种简便有效的分析铜合金X射线衍射峰宽化的方法之一，而合金元素Ag和Sn等对铜合金性能的影响与其X射线衍射峰的物理定化有明显的对应关系。
By using the approximate function method and computer calculation, the size of the microcrystal grains and the lattice distortion caused by the physical broadening of the X-ray diffraction peaks of copper and copper alloy were analyzed. Then the alloying elements such as Ag and Sn were added into the pure copper to analyze their properties The reason for the huge impact. The results show that the approximate function method is a simple and effective method to analyze the broadening of the X-ray diffraction peaks of copper alloys. However, the effect of the alloying elements such as Ag and Sn on the properties of the copper alloys is obviously different from that of the X-ray diffraction peaks The corresponding relationship.