Affiliation:
1. Dnipro State Medical University, Dnipro, Ukraine; Z. I. Nekrasov Iron and Steel Institute of National Academy of Sciences of Ukraine, Dnipro, Ukraine
2. Z. I. Nekrasov Iron and Steel Institute of National Academy of Sciences of Ukraine, Dnipro, Ukraine
3. Ukrainian State University of Chemical Technology, Dnipro, Ukraine
Abstract
The study of the structural components of Fe-Mn-Si-Ti-Al-N-C with the carbon content of 0.50-0.60% (wt.), Silicon 0.80-0.90% (wt.), Manganese 0.90-0.95% ( wt. ), Aluminum - 0.20-0.30% (wt.), Titanium - 0.02-0.03% (wt.), Nitrogen - 0.015-0.02% (wt.), the rest - iron. Microstructural, micro-X-ray spectral and X-ray phase analyzes were used to determine the structural state of the alloys. It is shown that after crystallization and a number of phase transformations the structure of the alloy was presenteda - iron alloyed with cementite, oxides, nitrides and carbonitrides. Using the quasi-chemical method, the free energy dependence of the solid solution of α-iron alloyed with silicon, manganese and titanium was obtained. In α-iron, it can dissolve up to 0.016% (at.) Carbon, manganese up to 1.3% (at.), Silicon - 1.0% (at.), and titanium up to 0.5% (at.), which is consistent with experimental results.
Publisher
V. N. Karazin Kharkiv National University
Subject
General Physics and Astronomy,General Materials Science
Cited by
3 articles.
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