Growth of the volumes of dangerous and critical welded metal structures constructed under low temperatures imposes additional requirements on the mechanical properties of the weld joints, particularly, on the impact resistance of the weld joint and on the stability of its values. | Effect of ultra-disperse powder in electrode coating on properties of welds in MMA welding Engineering Solid Mechanics 8 2020 41-48 Contents lists available at GrowingScience Engineering Solid Mechanics homepage esm Effect of ultra-disperse powder in electrode coating on properties of welds in MMA welding Dmitry P. Il yaschenkoa Dmitry A. Chinakhova Sergey V. Makarova Vladimir I. Danilovb Andrey A. Galinskyc and Elena V. Verkhoturovad a Yurga Institute of Technology National Research Tomsk Polytechnic University Yurga Russian Federation b Institute of Strength Physics and Material Science Siberian Branch Russian Academy of Sciences Tomsk Russian Federation c Tyumen Industrial University Tyumen Russian Federation d Irkutsk National Reseach Techniical University Irkutsk Russian Federation A R T I C L EI N F O ABSTRACT Article history Growth of the volumes of dangerous and critical welded metal structures constructed under low Received 9 July 2019 temperatures imposes additional requirements on the mechanical properties of the weld joints Accepted 28 August 2019 particularly on the impact resistance of the weld joint and on the stability of its values. It can be Available online achieved by using coated electrodes with ultradisperse powders of alloying elements in the coating. 28 August 2019 Keywords To develop new improved welding materials we need to optimize the systems of weld metal Nano-dispersed powders alloying to meet the increasingly stringent requirements to the welding-operational characteristics. Welding electrodes Introduction of a complex ultradisperse powder Al2O3 SiO2 TiO2 Ni into the electrode coating Mechanical properties applied for manual metal-arc welding ensures more stable process of electrode metal fusing and Crystallization its transfer into the welding bath improves the performance characteristics of the welded metal. Modification Microstructure 2020 Growing Science Ltd. All rights reserved. 1. Introduction Today .
