Vinicius Danilo Nonato Bezzon, Mariane Gonçalves de Miranda Salustre, Julia Boni Vaneli, Alex Arbey Lopera Sepúlveda, Elson Silva Galvão, Marcos Tadeu D´Azeredo Orlando
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Refinement of the Crystal Structure of Low-Carbon Polycrystalline AISI 420 Martensitic Steel (C = 0.15%)
Although several works have proposed modeling the low-carbon steel lattice parameters considering their carbon content, no detailed information about the crystalline structure has been reported. Herein, the crystal structure of the polycrystalline martensitic steel with carbon content of 0.15% has been refined, giving details about the sites and occupancies for the iron and chromium atoms. The body-centered tetragonal crystal system with space group I4/mmm was considered for the refinement. The obtained results show that the refined occupancies for Fe and Cr (around 0.83 and 0.17, respectively) are close to the values reported in the technical references for this kind of steel. The final structure yields a well-adjusted refinement, with Rwp = 8.49%, gof = 1.70, and RBragg = 3.17%.
期刊介绍：
The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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