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Metal Science and Metallography
ArticleName Study of mechanical properties of C-Mn-Si composition metal after wire-arc additive manufacturing (WAAM)
DOI 10.17580/cisisr.2021.02.12
ArticleAuthor A. E. Balanovskiy, N. A. Astafyeva, V. V. Kondratyev, A. I. Karlina

Irkutsk National Research Technical University, Irkutsk, Russia:

A. E. Balanovskiy, Cand. Eng., Associate Prof.
N. A. Astafyeva, Cand. Eng., Associate Prof.


A. P. Vinogradov Institute of Geochemistry of the Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russia:
V. V. Kondratyev, Cand. Eng., Senior Scientific Researcher


Moscow State University of Civil Engineering, Moscow, Russia:
A. I. Karlina, Cand. Eng., Scientific Researcher, e-mail:


Wire-arc additive manufacturing (WAAM) is considered as a rather promising alternative to conventional subtracting production process for manufacture of large expensive metal components with complicated geometrical shape. Up-todate direction of WAAM investigations is aimed on production of functional metallic components with complicated geometrical shape and high accuracy, surface processing and mechanical properties meeting the strict requirements of aerospace, automotive and instrumental industries. At the same time, structural application of metal components based on their mechanical properties is studied insufficiently. It is necessary to understand additionally influence of technological conditions (such as energy input, protective gas role, speed of wire feed, welding speed, facing features and its sequence etc.) on the thermal initial parameters and finishing mechanical properties. The paper displays that mechanical properties of low-alloyed silicon-manganese composition of C-Mn-Si type with ferrite-pearlite structure is higher comparing with conventional steel 09G2S. It is shown that impact strength values for C-Mn-Si-type composition, which id formed via WAAM method, is higher by 2 times in comparison with welded joints which are faced by Sv-08G2S wire. 

keywords Wire-arc additive manufacturing (WAAM), metal 3D printing technologies, low-carbon steel, structure, hardness, mechanical properties, extension, impact strength

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Full content Study of mechanical properties of C-Mn-Si composition metal after wire-arc additive manufacturing (WAAM)