Special issue dedicated to memory of Professor Dragana Živković - vol. 53 (3) B - 2017

A. Udovsky, V. Grafutin, V. Kolotushkin, V. Miloseredin, I. Evstukhina, A. Mischenko, V. Ermakov, V. Samosadny, Y. Funtikov

Changes of electron density and defects distribution in binary and ternary iron alloys studied by positron annihilation

J. Min. Metall. Sect. B-Metall. 53 (3) B (2017) 399-405. DOI:10.2298/JMMB160507040G
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Properties of binary and ternary iron based alloys doped by different additions were investigated. It was shown for binary alloys containing chromium, molybdenum and tungsten were that results of doping by 0.8% molybdenum and tungsten were similar to those for the sample doped by 9%chromium. Ternary alloys containing chromium and less amounts of molybdenum, tungsten and vanadium were investigated as well. Two types of defects were observed: divacancies and cluster-like defects. It was shown that the electron density in ternary alloys is similar to that in binary alloys containing 0.8% molybdenum.
Keywords: Positron annihilation; Lifetime; Vacancy; Cluster; Dislocation
Correspondence Address:
A. Udovsky,
A.A.Baikov Institute of Metallurgy and
Materials Science of RAS, Moscow, Russia;
National Research Nuclear University
“MEPhI”, Moscow, Russia
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