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M7C3型碳化物的晶体结构对称性和单胞中的原子分布,对M7C3型碳化物的现有结构模型的结构对称性和X射线衍射数据详细分析,选择合金含量27Cr-3.0C(%)的高铬铸铁,在D/MAX-Rb型X-Ray衍射仪上试验得到其衍射数据,利用Materials Studio软件中Reflex模块对已知各种可能的M7C3结构模型进行模拟衍射与现有的PDF[1213]中M7C3型碳化物的X射线衍射数据比较,铁基合金中M7C3型碳化物为具有Pmc21对称性的正交结构,,同时绘出了M7C3型碳化物原子模型的基面投影图。
M7C3 carbide structure of the crystal symmetry and the unit cell atomic distribution of M7C3 carbide structural model of the existing structural symmetry and X-ray diffraction data detailed analysis, select the alloy content of 27Cr-3.0C (%) The high-chromium cast iron was tested on a D / MAX-Rb X-Ray diffractometer and its diffraction data was obtained. The known possible M7C3 structural models were simulated and diffused using the Reflex module in the Materials Studio software and the existing PDF [1213 ] M7C3 carbide in the X-ray diffraction data comparison, iron-based alloy M7C3 type carbide with Pmc21 symmetry of the orthogonal structure, while drawing the M7C3 carbide atomic model of the base projection.