A Study of the Structure, Mechanical Properties and Corrosion Resistance of Magnesium Alloy WE43 After Rotary Swaging


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The structure and properties of magnesium alloy WE43 are studied after homogenizing and rotary swaging deformation conducted in several stages with step lowering of the temperature from 400 to 325°C and increasing the extrusion ratio to 2.56 – 2.78. The deformation yields an ultrafine-grained (UFG) structure with a mean size of the structural components about 500 – 800 nm and particles of aMg41Nd5 phase with a mean size of about 300 – 400 nm. The formation of the UFG structure raises the strength of the alloy. The best combination of mechanical properties is provided by swaging with the final temperature 325°C. It is shown that the rotary swaging deformation does not affect the corrosion rate of the alloy measured by the methods of potentiodynamic polarization, loss in the mass and emission of hydrogen.

作者简介

N. Martynenko

National Research Technological University “MISiS,” Department of Metal Science and Strength Physics; National Research Technological University “MISiS,” Laboratory of Hybrid Nanostructured Materials; A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

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Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow; Moscow; Moscow

E. Luk’yanova

National Research Technological University “MISiS,” Laboratory of Hybrid Nanostructured Materials; A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow; Moscow

M. Morozov

A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow

V. Yusupov

A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow

S. Dobatkin

National Research Technological University “MISiS,” Department of Metal Science and Strength Physics; National Research Technological University “MISiS,” Laboratory of Hybrid Nanostructured Materials; A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences

Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow; Moscow; Moscow

Yu. Estrin

National Research Technological University “MISiS,” Laboratory of Hybrid Nanostructured Materials; Department of Materials Science and Engineering, Monash University

Email: nataliasmartynenko@gmail.com
俄罗斯联邦, Moscow; Melbourne

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