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2019 №07 (02) DOI of Article
10.15407/as2019.07.03 		2019 №07 (04)

Automatic Welding 2019 №07


Avtomaticheskaya Svarka (Automatic Welding), #7, 2019, pp. 16-23

Modelling of temperature fields, stresses and deformations in cylinder casings produced by additive manufacturing method

V.A. Kostin, G.M. Grigorenko


E.O. Paton Electric Welding Institute of the NAS of Ukraineю 11 Kazimir Malevich Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

The paper presents the results of modelling of temperature fields, stresses and deformations in formation of additive multi-layer structure of aluminum alloy 1561, low-alloy structural steel of 09G2S grade and titanium alloy of Grade 2 grade. Based on the experimental results obtained earlier at the E.O. Paton Electric Welding Institute during application of additive deposits of these materials the computer modelling was carried out for improvement of technology of additive process. In course of calculations there was analyzed an effect of algorithm of sequence of additive layers deposition, namely deposition of cylinder casing on circle and on spiral, on distribution of temperatures in deposition and its resistance to external loads. It is determined that the spiral deposition technology is reasonable to be used in formation of cylinder casings by additive method and apply less heat-conducting structural materials, i.e. structural steels and titanium alloys. 10 Ref., 7 Fig.
Keywords: additive manufacturing, modelling, spiral deposition, cylinder casings, resistance, residual stresses

Received: 08.04.2019
Published: 10.06.2019

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